done

.idea/.name

@@ -0,0 +1 @@
+demo

.idea/compiler.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="demo" />
+      </profile>
+    </annotationProcessing>
+    <bytecodeTargetLevel>
+      <module name="demo" target="1.8" />
+    </bytecodeTargetLevel>
+  </component>
+  <component name="JavacSettings">
+    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
+      <module name="demo" options="-parameters" />
+    </option>
+  </component>
+</project>

.idea/encodings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$" charset="UTF-8" />
+  </component>
+</project>

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@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: ch.qos.logback:logback-classic:1.2.3">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__ch_qos_logback_logback_core_1_2_3.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: ch.qos.logback:logback-core:1.2.3">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_fasterxml_classmate_1_4_0.xml

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+<component name="libraryTable">
+  <library name="Maven: com.fasterxml:classmate:1.4.0">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/classmate/1.4.0/classmate-1.4.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/classmate/1.4.0/classmate-1.4.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

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+<component name="libraryTable">
+  <library name="Maven: com.fasterxml.jackson.core:jackson-annotations:2.9.0">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_core_2_9_7.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.fasterxml.jackson.core:jackson-core:2.9.7">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-core/2.9.7/jackson-core-2.9.7.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-core/2.9.7/jackson-core-2.9.7-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-core/2.9.7/jackson-core-2.9.7-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_databind_2_9_7.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.fasterxml.jackson.core:jackson-databind:2.9.7">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.9.7/jackson-databind-2.9.7.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.9.7/jackson-databind-2.9.7-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.9.7/jackson-databind-2.9.7-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_fasterxml_jackson_datatype_jackson_datatype_jdk8_2_9_7.xml

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+<component name="libraryTable">
+  <library name="Maven: com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.9.7">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.7/jackson-datatype-jdk8-2.9.7.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.7/jackson-datatype-jdk8-2.9.7-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.7/jackson-datatype-jdk8-2.9.7-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_fasterxml_jackson_datatype_jackson_datatype_jsr310_2_9_7.xml

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+<component name="libraryTable">
+  <library name="Maven: com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.9.7">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.7/jackson-datatype-jsr310-2.9.7.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.7/jackson-datatype-jsr310-2.9.7-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.7/jackson-datatype-jsr310-2.9.7-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_fasterxml_jackson_module_jackson_module_parameter_names_2_9_7.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.fasterxml.jackson.module:jackson-module-parameter-names:2.9.7">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.7/jackson-module-parameter-names-2.9.7.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.7/jackson-module-parameter-names-2.9.7-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.7/jackson-module-parameter-names-2.9.7-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_jayway_jsonpath_json_path_2_4_0.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.jayway.jsonpath:json-path:2.4.0">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_vaadin_external_google_android_json_0_0_20131108_vaadin1.xml

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+<component name="libraryTable">
+  <library name="Maven: com.vaadin.external.google:android-json:0.0.20131108.vaadin1">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__javax_annotation_javax_annotation_api_1_3_2.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: javax.annotation:javax.annotation-api:1.3.2">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__javax_validation_validation_api_2_0_1_Final.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: javax.validation:validation-api:2.0.1.Final">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__junit_junit_4_12.xml

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+<component name="libraryTable">
+  <library name="Maven: junit:junit:4.12">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__net_bytebuddy_byte_buddy_1_9_5.xml

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+<component name="libraryTable">
+  <library name="Maven: net.bytebuddy:byte-buddy:1.9.5">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/bytebuddy/byte-buddy/1.9.5/byte-buddy-1.9.5.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/net/bytebuddy/byte-buddy/1.9.5/byte-buddy-1.9.5-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/bytebuddy/byte-buddy/1.9.5/byte-buddy-1.9.5-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__net_bytebuddy_byte_buddy_agent_1_9_5.xml

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+<component name="libraryTable">
+  <library name="Maven: net.bytebuddy:byte-buddy-agent:1.9.5">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/bytebuddy/byte-buddy-agent/1.9.5/byte-buddy-agent-1.9.5.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/net/bytebuddy/byte-buddy-agent/1.9.5/byte-buddy-agent-1.9.5-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/bytebuddy/byte-buddy-agent/1.9.5/byte-buddy-agent-1.9.5-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__net_minidev_accessors_smart_1_2.xml

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+<component name="libraryTable">
+  <library name="Maven: net.minidev:accessors-smart:1.2">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/minidev/accessors-smart/1.2/accessors-smart-1.2.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/net/minidev/accessors-smart/1.2/accessors-smart-1.2-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/minidev/accessors-smart/1.2/accessors-smart-1.2-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__net_minidev_json_smart_2_3.xml

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+<component name="libraryTable">
+  <library name="Maven: net.minidev:json-smart:2.3">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/minidev/json-smart/2.3/json-smart-2.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/net/minidev/json-smart/2.3/json-smart-2.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/net/minidev/json-smart/2.3/json-smart-2.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__org_apache_logging_log4j_log4j_api_2_11_1.xml

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+<component name="libraryTable">
+  <library name="Maven: org.apache.logging.log4j:log4j-api:2.11.1">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/logging/log4j/log4j-api/2.11.1/log4j-api-2.11.1.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/logging/log4j/log4j-api/2.11.1/log4j-api-2.11.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/logging/log4j/log4j-api/2.11.1/log4j-api-2.11.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__org_apache_logging_log4j_log4j_to_slf4j_2_11_1.xml

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+<component name="libraryTable">
+  <library name="Maven: org.apache.logging.log4j:log4j-to-slf4j:2.11.1">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/logging/log4j/log4j-to-slf4j/2.11.1/log4j-to-slf4j-2.11.1.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/logging/log4j/log4j-to-slf4j/2.11.1/log4j-to-slf4j-2.11.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/logging/log4j/log4j-to-slf4j/2.11.1/log4j-to-slf4j-2.11.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

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+<component name="libraryTable">
+  <library name="Maven: org.apache.tomcat.embed:tomcat-embed-core:9.0.13">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-core/9.0.13/tomcat-embed-core-9.0.13.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-core/9.0.13/tomcat-embed-core-9.0.13-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-core/9.0.13/tomcat-embed-core-9.0.13-sources.jar!/" />
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+<component name="libraryTable">
+  <library name="Maven: org.apache.tomcat.embed:tomcat-embed-el:9.0.13">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-el/9.0.13/tomcat-embed-el-9.0.13.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-el/9.0.13/tomcat-embed-el-9.0.13-javadoc.jar!/" />
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+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-el/9.0.13/tomcat-embed-el-9.0.13-sources.jar!/" />
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+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.13/tomcat-embed-websocket-9.0.13.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.13/tomcat-embed-websocket-9.0.13-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.13/tomcat-embed-websocket-9.0.13-sources.jar!/" />
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+      <root url="jar://$MAVEN_REPOSITORY$/org/assertj/assertj-core/3.11.1/assertj-core-3.11.1.jar!/" />
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+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/assertj/assertj-core/3.11.1/assertj-core-3.11.1-javadoc.jar!/" />
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+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/assertj/assertj-core/3.11.1/assertj-core-3.11.1-sources.jar!/" />
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+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar!/" />
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+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-javadoc.jar!/" />
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.idea/libraries/Maven__org_springframework_spring_test_5_1_3_RELEASE.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
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+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-test/5.1.3.RELEASE/spring-test-5.1.3.RELEASE-sources.jar!/" />
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.idea/libraries/Maven__org_springframework_spring_web_5_1_3_RELEASE.xml

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+<component name="libraryTable">
+  <library name="Maven: org.springframework:spring-web:5.1.3.RELEASE">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-web/5.1.3.RELEASE/spring-web-5.1.3.RELEASE.jar!/" />
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+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-web/5.1.3.RELEASE/spring-web-5.1.3.RELEASE-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-web/5.1.3.RELEASE/spring-web-5.1.3.RELEASE-sources.jar!/" />
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+  </library>
+</component>

.idea/libraries/Maven__org_springframework_spring_webmvc_5_1_3_RELEASE.xml

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+  <library name="Maven: org.springframework:spring-webmvc:5.1.3.RELEASE">
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+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-webmvc/5.1.3.RELEASE/spring-webmvc-5.1.3.RELEASE.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-webmvc/5.1.3.RELEASE/spring-webmvc-5.1.3.RELEASE-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/springframework/spring-webmvc/5.1.3.RELEASE/spring-webmvc-5.1.3.RELEASE-sources.jar!/" />
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.idea/libraries/Maven__org_xmlunit_xmlunit_core_2_6_2.xml

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.idea/libraries/Maven__org_yaml_snakeyaml_1_23.xml

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+<component name="libraryTable">
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.idea/misc.xml

@@ -0,0 +1,13 @@
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+    <option name="originalFiles">
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.idea/modules.xml

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+</project>

.idea/vcs.xml

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+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
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+</project>

.idea/workspace.xml

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+    <option name="height" value="800" />
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+      <method v="2">
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+    <configuration name="DemoApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot">
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LearnerLab.iml

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demo.iml

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+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
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+    <orderEntry type="library" scope="TEST" name="Maven: net.bytebuddy:byte-buddy:1.9.5" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: net.bytebuddy:byte-buddy-agent:1.9.5" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.objenesis:objenesis:2.6" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-library:1.3" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.skyscreamer:jsonassert:1.5.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: com.vaadin.external.google:android-json:0.0.20131108.vaadin1" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-core:5.1.3.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-jcl:5.1.3.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.springframework:spring-test:5.1.3.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.xmlunit:xmlunit-core:2.6.2" level="project" />
+  </component>
+</module>

mvnw

@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%

pom.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.1.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.example</groupId>
+	<artifactId>demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>demo</name>
+	<description>Demo project for Spring Boot</description>
+
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

src/main/java/com/example/demo/Classroom.java

@@ -0,0 +1,18 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public class Classroom {
+    private Instructors instructors;
+    private Students students;
+
+    public Classroom(Instructors instructors, Students students) {
+        this.instructors = instructors;
+        this.students = students;
+    }
+
+    public void hostLecture(Teacher teacher, double numberOfHours) {
+        teacher.lecture(students, numberOfHours);
+    }
+}

src/main/java/com/example/demo/ClassroomConfig.java

@@ -0,0 +1,23 @@
+package com.example.demo;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.DependsOn;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+@Configuration
+public class ClassroomConfig {
+    @Bean
+    @DependsOn({"instructors", "students"})
+    public Classroom currentCohort(Instructors instructors, Students students) {
+        return new Classroom(instructors, students);
+    }
+
+    @Bean
+    @DependsOn({"instructors", "previousStudents"})
+    public Classroom previousCohort(Instructors instructors, Students students) {
+        return new Classroom(instructors, students);
+    }
+}

src/main/java/com/example/demo/DemoApplication.java

@@ -0,0 +1,14 @@
+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoApplication.class, args);
+	}
+
+}
+

src/main/java/com/example/demo/Instructor.java

@@ -0,0 +1,26 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public class Instructor extends Person implements Teacher {
+    public Instructor() {
+        this(null, null);
+    }
+
+    public Instructor(Long id, String name) {
+        super(id, name);
+    }
+
+    @Override
+    public void teach(Learner learner, Double numberOfHours) {
+        learner.learn(numberOfHours);
+    }
+
+    @Override
+    public void lecture(Iterable<? extends Learner> learners, Double numberOfHours) {
+        for (Learner learner : learners) {
+            learner.learn(numberOfHours);
+        }
+    }
+}

src/main/java/com/example/demo/Instructors.java

@@ -0,0 +1,10 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public class Instructors extends People<Instructor> {
+    public Instructors(Instructor... instructors) {
+        super(instructors);
+    }
+}

src/main/java/com/example/demo/InstructorsConfig.java

@@ -0,0 +1,35 @@
+package com.example.demo;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+@Configuration
+public class InstructorsConfig {
+    @Bean
+    public Instructors tcUsaInstructors() {
+        return new Instructors(
+                new Instructor(0L, "Wilhem"),
+                new Instructor(4L, "Nhu"),
+                new Instructor(5L, "Kris"));
+    }
+
+    @Bean
+    public Instructors tcUkInstructors() {
+        return new Instructors(
+                new Instructor(1L, "Leon"),
+                new Instructor(2L, "Dolio"),
+                new Instructor(3L, "Froilan"));
+    }
+
+    @Bean
+    @Primary
+    public Instructors instructors() {
+        Instructors instructors = tcUkInstructors();
+        instructors.addAll(tcUsaInstructors());
+        return instructors;
+    }
+}

src/main/java/com/example/demo/Learner.java

@@ -0,0 +1,8 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public interface Learner {
+    void learn(Double numberOfHours);
+}

src/main/java/com/example/demo/People.java

@@ -0,0 +1,54 @@
+package com.example.demo;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+abstract public class People<PersonType extends Person> implements Iterable<PersonType> {
+    private final List<PersonType> list;
+
+    public People(List<PersonType> list) {
+        this.list = list;
+    }
+
+    public People(PersonType... persons) {
+        this(new ArrayList<>(Arrays.asList(persons)));
+    }
+
+    void add(PersonType person) {
+        list.add(person);
+    }
+
+    void remove(PersonType person) {
+        list.remove(person);
+    }
+
+    int size() {
+        return list.size();
+    }
+
+    void clear() {
+        list.clear();
+    }
+
+    void addAll(Iterable<? extends PersonType> iterable) {
+        iterable.forEach(person -> list.add(person));
+    }
+
+    PersonType findByid(Long id) {
+        return list
+                .stream()
+                .filter(person -> person.getId().equals(id))
+                .findFirst()
+                .get();
+    }
+
+    @Override
+    public Iterator<PersonType> iterator() {
+        return list.iterator();
+    }
+}

src/main/java/com/example/demo/Person.java

@@ -0,0 +1,33 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public class Person {
+    Long id;
+    String name;
+
+    public Person() {
+    }
+
+    public Person(Long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

src/main/java/com/example/demo/Student.java

@@ -0,0 +1,25 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public class Student extends Person implements Learner {
+    Double totalStudyTime;
+
+    public Student() {
+        this(null, null);
+    }
+
+    public Student(Long id, String name) {
+        super(id, name);
+    }
+
+    @Override
+    public void learn(Double numberOfHours) {
+        totalStudyTime += numberOfHours;
+    }
+
+    public Double getTotalStudyTime() {
+        return totalStudyTime;
+    }
+}

src/main/java/com/example/demo/StudentConfig.java

@@ -0,0 +1,30 @@
+package com.example.demo;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+@Configuration
+public class StudentConfig {
+    @Bean(name = "students")
+    public Students currentStudents() {
+        return new Students(
+                new Student(0L, "Lauren"),
+                new Student(1L, "Nate"),
+                new Student(2L, "X"),
+                new Student(3L, "Jae"),
+                new Student(4L, "etc."));
+    }
+
+    @Bean
+    public Students previousStudents() {
+        return new Students(
+                new Student(0L, "The old Lauren"),
+                new Student(1L, "The old Nate"),
+                new Student(2L, "The old X"),
+                new Student(3L, "The old Jae"),
+                new Student(4L, "The old etc."));
+    }
+}

src/main/java/com/example/demo/Students.java

@@ -0,0 +1,10 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public class Students extends People<Student> {
+    public Students(Student... students) {
+        super(students);
+    }
+}

src/main/java/com/example/demo/Teacher.java

@@ -0,0 +1,9 @@
+package com.example.demo;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+public interface Teacher {
+    void teach(Learner learner, Double numberOfHours);
+    void lecture(Iterable<? extends Learner> learners, Double numberOfHours);
+}

src/test/java/com/example/demo/DemoApplicationTests.java

@@ -0,0 +1,17 @@
+package com.example.demo;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DemoApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}
+

src/test/java/com/example/demo/TestStudentsConfig.java

@@ -0,0 +1,37 @@
+package com.example.demo;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @author leon on 07/01/2019.
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class TestStudentsConfig {
+    @Autowired
+    @Qualifier("previousStudents")
+    private Students previousStudents;
+
+    @Autowired
+    @Qualifier("students")
+    private Students currentStudents;
+
+    @Test
+    public void testCurrentStudents() {
+        List<String> names = Arrays.asList("Lauren Nate X Jae etc.".split(" "));
+        for (Student student : currentStudents) {
+            String name = student.getName();
+            boolean outcome = names.contains(name);
+            Assert.assertTrue(outcome);
+        }
+    }
+}