myLambdas

.idea/.name

@@ -0,0 +1 @@
+question1

.idea/compiler.xml

@@ -0,0 +1,16 @@
+<?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="question1" />
+      </profile>
+    </annotationProcessing>
+    <bytecodeTargetLevel>
+      <module name="question1" target="1.8" />
+    </bytecodeTargetLevel>
+  </component>
+</project>

.idea/libraries/Maven__com_h2database_h2_1_4_197.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.h2database:h2:1.4.197">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/h2database/h2/1.4.197/h2-1.4.197.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/h2database/h2/1.4.197/h2-1.4.197-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/h2database/h2/1.4.197/h2-1.4.197-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_j256_ormlite_ormlite_core_4_48.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.j256.ormlite:ormlite-core:4.48">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/j256/ormlite/ormlite-core/4.48/ormlite-core-4.48.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/j256/ormlite/ormlite-core/4.48/ormlite-core-4.48-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/j256/ormlite/ormlite-core/4.48/ormlite-core-4.48-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__com_j256_ormlite_ormlite_jdbc_4_48.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.j256.ormlite:ormlite-jdbc:4.48">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/j256/ormlite/ormlite-jdbc/4.48/ormlite-jdbc-4.48.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/j256/ormlite/ormlite-jdbc/4.48/ormlite-jdbc-4.48-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/j256/ormlite/ormlite-jdbc/4.48/ormlite-jdbc-4.48-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/Maven__junit_junit_4_12.xml

@@ -0,0 +1,13 @@
+<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__org_hamcrest_hamcrest_core_1_3.xml

@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: org.hamcrest:hamcrest-core:1.3">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/misc.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" project-jdk-name="10" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/classes" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/question1.iml" filepath="$PROJECT_DIR$/question1.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/workspace.xml

@@ -0,0 +1,427 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="9fcbcb49-1cc0-4134-bd0c-de9f540663c7" name="Default" comment="">
+      <change beforePath="$PROJECT_DIR$/question1.iml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/Group.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Group.java" afterDir="false" />
+    </list>
+    <ignored path="$PROJECT_DIR$/target/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file leaf-file-name="Group.java" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/main/java/Group.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="450">
+              <caret line="36" selection-start-line="36" selection-end-line="36" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="CheckPerson.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/CheckPerson.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state>
+              <caret column="17" selection-start-column="17" selection-end-column="17" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="MainApplication.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/MainApplication.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-142">
+              <caret line="3" column="13" selection-start-line="3" selection-start-column="13" selection-end-line="3" selection-end-column="13" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="GroupTest.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/test/java/GroupTest.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-156">
+              <caret line="9" column="13" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="13" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="PersonTest.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/test/java/PersonTest.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="30">
+              <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="Person.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/Person.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-85">
+              <caret line="2" column="13" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/src/main/java/Group.java" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="NodePackageJsonFileManager">
+    <packageJsonPaths />
+  </component>
+  <component name="ProjectFrameBounds">
+    <option name="y" value="23" />
+    <option name="width" value="1280" />
+    <option name="height" value="716" />
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="AndroidView" />
+      <pane id="PackagesPane" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="question1" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ZCW-Lambdas" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="question1" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ZCW-Lambdas" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="question1" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ZCW-Lambdas" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="question1" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ZCW-Lambdas" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="question1" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ZCW-Lambdas" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="question1" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ZCW-Lambdas" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="aspect.path.notification.shown" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager" selected="JUnit.All in question1">
+    <configuration default="true" type="Application" factoryName="Application">
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    </configuration>
+    <configuration name="All in question1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="question1" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="TEST_OBJECT" value="package" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration name="GroupTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="question1" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="GroupTest" />
+      <option name="METHOD_NAME" />
+      <option name="TEST_OBJECT" value="class" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration default="true" type="JUnit" factoryName="JUnit">
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="TEST_OBJECT" value="class" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration default="true" type="TestNG" factoryName="TestNG">
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="SUITE_NAME" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="GROUP_NAME" />
+      <option name="TEST_OBJECT" value="CLASS" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <option name="OUTPUT_DIRECTORY" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <option name="USE_DEFAULT_REPORTERS" value="false" />
+      <option name="PROPERTIES_FILE" />
+      <properties />
+      <listeners />
+    </configuration>
+    <list>
+      <item itemvalue="JUnit.GroupTest" />
+      <item itemvalue="JUnit.All in question1" />
+    </list>
+    <recent_temporary>
+      <list>
+        <item itemvalue="JUnit.All in question1" />
+        <item itemvalue="JUnit.GroupTest" />
+      </list>
+    </recent_temporary>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="9fcbcb49-1cc0-4134-bd0c-de9f540663c7" name="Default" comment="" />
+      <created>1529519210243</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1529519210243</updated>
+      <workItem from="1529519224343" duration="43000" />
+      <workItem from="1530043895405" duration="830000" />
+      <workItem from="1530132813733" duration="818000" />
+      <workItem from="1530489083666" duration="1658000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TestHistory">
+    <history-entry file="GroupTest - 2018.07.01 at 19h 51m 38s.xml">
+      <configuration name="GroupTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="All_in_question1 - 2018.07.01 at 19h 57m 38s.xml">
+      <configuration name="All in question1" configurationId="JUnit" />
+    </history-entry>
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="3349000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="23" width="1280" height="716" extended-state="0" />
+    <editor active="true" />
+    <layout>
+      <window_info anchor="right" id="Palette" order="3" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Messages" />
+      <window_info anchor="right" id="Palette&#9;" order="3" />
+      <window_info id="Image Layers" order="2" />
+      <window_info anchor="right" id="Capture Analysis" order="3" />
+      <window_info anchor="bottom" id="Event Log" order="7" side_tool="true" />
+      <window_info anchor="right" id="Maven Projects" order="3" />
+      <window_info anchor="bottom" id="Database Changes" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Run" order="2" visible="true" weight="0.32866043" />
+      <window_info anchor="bottom" id="Version Control" order="7" />
+      <window_info anchor="bottom" id="Terminal" order="7" />
+      <window_info id="Capture Tool" order="2" />
+      <window_info id="Designer" order="2" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.25390625" />
+      <window_info anchor="right" id="Database" order="3" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info id="UI Designer" order="2" />
+      <window_info anchor="right" id="Theme Preview" order="3" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info id="Favorites" order="2" side_tool="true" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Find" order="1" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/main/java/Group.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/PersonTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Person.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="2" column="13" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/GroupTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="9" column="13" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Group.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="120">
+          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Group.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/PersonTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/MainApplication.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-142">
+          <caret line="3" column="13" selection-start-line="3" selection-start-column="13" selection-end-line="3" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Person.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-85">
+          <caret line="2" column="13" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/CheckPerson.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state>
+          <caret column="17" selection-start-column="17" selection-end-column="17" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/GroupTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-156">
+          <caret line="9" column="13" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Group.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="450">
+          <caret line="36" selection-start-line="36" selection-end-line="36" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>

question1.iml

@@ -4,8 +4,8 @@
     <output url="file://$MODULE_DIR$/target/classes" />
     <output-test url="file://$MODULE_DIR$/target/test-classes" />
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
     <orderEntry type="inheritedJdk" />

src/main/java/Group.java

@@ -34,27 +34,23 @@ public class Group {
     }
 
     public static void printPersonsWithinAgeRange(List<Person> roster, int low, int high) {
-        for (Person p : roster) {
-            if (low <= p.getAge() && p.getAge() < high) {
-                p.printPerson();
-            }
-        }
+
+        roster.forEach(p -> {if (low <= p.getAge() && p.getAge() < high) p.printPerson();});
     }
 
     public static void printPersons(List<Person> roster, CheckPerson tester) {
-        for (Person p : roster) {
-            if (tester.test(p)) {
-                p.printPerson();
-            }
-        }
+
+        roster.forEach(p->{if(tester.test(p)) p.printPerson();});
     }
 
     public static String printingPersons(List<Person> roster, CheckPerson tester) {
+
         for (Person p : roster) {
             if (tester.test(p)) {
                 return p.getName() +" "+p.getEmailAddress();
             }
         }
+        //roster.forEach(p ->{if(tester.test(p)) p.getName():" ";});
         return null;
     }
 }