streams

.idea/.name

@@ -0,0 +1 @@
+looptest

.idea/compiler.xml

@@ -9,8 +9,5 @@
         <module name="looptest" />
       </profile>
     </annotationProcessing>
-    <bytecodeTargetLevel target="1.8">
-      <module name="looptest" target="1.8" />
-    </bytecodeTargetLevel>
   </component>
 </project>

.idea/kotlinc.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="KotlinCommonCompilerArguments">
-    <option name="languageVersion" value="1.1" />
-    <option name="apiVersion" value="1.1" />
-  </component>
-</project>

.idea/libraries/Maven__junit_junit_4_12.xml

@@ -1,13 +0,0 @@
-<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

@@ -1,13 +0,0 @@
-<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

@@ -1,23 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="JavadocGenerationManager">
-    <option name="OUTPUT_DIRECTORY" value="$PROJECT_DIR$/target" />
-    <option name="OPTION_SCOPE" value="protected" />
-    <option name="OPTION_HIERARCHY" value="true" />
-    <option name="OPTION_NAVIGATOR" value="true" />
-    <option name="OPTION_INDEX" value="true" />
-    <option name="OPTION_SEPARATE_INDEX" value="true" />
-    <option name="OPTION_DOCUMENT_TAG_USE" value="false" />
-    <option name="OPTION_DOCUMENT_TAG_AUTHOR" value="false" />
-    <option name="OPTION_DOCUMENT_TAG_VERSION" value="false" />
-    <option name="OPTION_DOCUMENT_TAG_DEPRECATED" value="true" />
-    <option name="OPTION_DEPRECATED_LIST" value="true" />
-    <option name="OTHER_OPTIONS" />
-    <option name="HEAP_SIZE" />
-    <option name="LOCALE" />
-    <option name="OPEN_IN_BROWSER" value="true" />
-    <option name="OPTION_INCLUDE_LIBS" value="false" />
-  </component>
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="MavenProjectsManager">
     <option name="originalFiles">
       <list>
@@ -25,22 +8,6 @@
       </list>
     </option>
   </component>
-  <component name="ProjectInspectionProfilesVisibleTreeState">
-    <entry key="Project Default">
-      <profile-state>
-        <expanded-state>
-          <State>
-            <id />
-          </State>
-        </expanded-state>
-        <selected-state>
-          <State>
-            <id>Android</id>
-          </State>
-        </selected-state>
-      </profile-state>
-    </entry>
-  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>

.idea/modules.xml

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

.idea/uiDesigner.xml

@@ -1,124 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Palette2">
-    <group name="Swing">
-      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
-      </item>
-      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
-      </item>
-      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
-        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
-        <initial-values>
-          <property name="text" value="Button" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="RadioButton" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="CheckBox" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="Label" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
-          <preferred-size width="200" height="200" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
-          <preferred-size width="200" height="200" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
-      </item>
-      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
-          <preferred-size width="-1" height="20" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
-      </item>
-      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
-      </item>
-    </group>
-  </component>
-</project>

pom.xml

@@ -7,6 +7,18 @@
     <groupId>mygroupid</groupId>
     <artifactId>looptest</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

src/main/java/com/zipcodewilmington/streams/StreamFilter.java

@@ -5,6 +5,7 @@ import com.zipcodewilmington.streams.anthropoid.PersonFactory;
 import com.zipcodewilmington.streams.tools.RandomUtils;
 import com.zipcodewilmington.streams.tools.StringUtils;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -20,7 +21,7 @@ public class StreamFilter {
      * No arg constructor
      */ //TODO - construct person stream of 100 person objects; startingCharacter is a random capital letter
     public StreamFilter() {
-        this(Stream.empty(), null);
+        this(PersonFactory.createPersonStream(100), RandomUtils.createCharacter('A','Z'));
     }
 
     /**
@@ -28,7 +29,7 @@ public class StreamFilter {
      * @param startingCharacter - character to filter by
      */ //TODO
     public StreamFilter(Person[] people, Character startingCharacter) {
-        this(Stream.empty(), null);
+        this(Arrays.stream(people),startingCharacter);
     }
 
     /**
@@ -36,7 +37,7 @@ public class StreamFilter {
      * @param startingCharacter - character to filter by
      */ //TODO
     public StreamFilter(List<Person> people, Character startingCharacter) {
-        this(Stream.empty(), null);
+        this(people.stream(),startingCharacter );
     }
 
 
@@ -55,7 +56,7 @@ public class StreamFilter {
      * @return a list of person object whose name starts with `this.startingCharacter`
      */ //TODO
     public List<Person> toListMultiLine() {
-        return null;
+        return personStream.filter(x -> StringUtils.isPalindromeIgnoreCase(String.valueOf(x.getName().startsWith(this.startingCharacter)))).collect(Collectors.toList());
     }
 
 
@@ -64,7 +65,7 @@ public class StreamFilter {
      * @return a list of person objects whose name starts with `this.startingCharacter`
      */ //TODO
     public List<Person> toListOneLine() {
-        return null;
+        return personStream.filter(x -> StringUtils.isPalindromeIgnoreCase(String.valueOf(x.getName().startsWith(this.startingCharacter)))).collect(Collectors.toList());
     }
 
 
@@ -73,7 +74,7 @@ public class StreamFilter {
      * @return an array of person object whose name starts with `this.startingCharacter`
      */ //TODO
     public Person[] toArrayOneLine() {
-        return null;
+        return personStream.filter(person -> StringUtils.isPalindromeIgnoreCase(String.valueOf(person.getName().startsWith(this.startingCharacter)))).toArray(Person[]::new);
     }
 
 
@@ -82,7 +83,7 @@ public class StreamFilter {
      * @return an array of person object whose name starts with `this.startingCharacter`
      */ //TODO
     public Person[] toArrayMultiLine() {
-        return null;
+        return personStream.filter(person -> StringUtils.isPalindromeIgnoreCase(String.valueOf(person.getName().startsWith(this.startingCharacter)))).toArray(Person[]::new);
     }
 
 }

src/main/java/com/zipcodewilmington/streams/StreamMap.java

@@ -18,7 +18,7 @@ public class StreamMap {
      * @return - a Stream of single characters
      */ //TODO
     public static Stream<String> letters(String someWord) {
-        return null;
+        return someWord.codePoints().mapToObj(x -> String.valueOf((char) x));
     }
 
     /**
@@ -26,7 +26,7 @@ public class StreamMap {
      * @return - a Stream of several Streams of single characters
      */ //TODO
     public static Stream<Stream<String>> wordsMap(String... someWords) {
-        return null;
+        return Stream.of(someWords).map(StreamMap::letters);
     }
 
     /**
@@ -34,6 +34,6 @@ public class StreamMap {
      * @return - a Stream of several Streams of single characters
      */ //TODO
     public static Stream<String> wordsFlatMap(String... stringArray) {
-        return null;
+        return Stream.of(stringArray);
     }
 }

src/main/java/com/zipcodewilmington/streams/anthropoid/PersonFactory.java

@@ -3,6 +3,7 @@ package com.zipcodewilmington.streams.anthropoid;
 import com.zipcodewilmington.streams.tools.RandomUtils;
 import com.zipcodewilmington.streams.tools.StringUtils;
 
+import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -39,7 +40,7 @@ public final class PersonFactory {
      * @return - ArrayList of Person objects
      */ // TODO
     public static List<Person> createPersonList(int listSize) {
-        return null;
+        return Stream.generate(PersonFactory :: createRandomPerson).limit(listSize).collect(Collectors.toList());
     }
 
 
@@ -48,7 +49,7 @@ public final class PersonFactory {
      * @return - Array of Person objects
      */ // TODO
     public static Person[] createPersonArray(int arrayLength) {
-        return null;
+        return  Stream.generate(PersonFactory::createRandomPerson).limit(arrayLength).toArray(Person[]::new);
     }
 
 
@@ -58,6 +59,6 @@ public final class PersonFactory {
      * @return - Stream representation of collection of Person objects
      */ // TODO
     public static Stream<Person> createPersonStream(int streamCount) {
-        return null;
+        return  Stream.generate(PersonFactory::createRandomPerson).limit(streamCount);
     }
 }

src/main/java/com/zipcodewilmington/streams/anthropoid/PersonWarehouse.java

@@ -35,7 +35,7 @@ public final class PersonWarehouse {
      * @return list of uniquely named Person objects
      */ //TODO
     public static Stream<Person> getUniquelyNamedPeople() {
-        return null;
+        return people.stream().distinct();
     }
 
 
@@ -44,7 +44,7 @@ public final class PersonWarehouse {
      * @return a Stream of respective
      */ //TODO
     public static Stream<Person> getUniquelyNamedPeopleStartingWith(Character character) {
-        return null;
+        return people.stream().filter(x ->x.getName().startsWith(character.toString()));
     }
 
     /**
@@ -52,7 +52,7 @@ public final class PersonWarehouse {
      * @return a Stream of respective
      */ //TODO
     public static Stream<Person> getFirstNUniquelyNamedPeople(int n) {
-        return null;
+        return people.stream().distinct().limit(n);
     }
 
     /**
@@ -82,7 +82,7 @@ public final class PersonWarehouse {
      * @return list of names of Person objects
      */ // TODO
     public static List<String> getNames() {
-        return null;
+        return people.stream().map(x ->x.getName()).collect(Collectors.toList());
     }
 
     /**

src/main/java/com/zipcodewilmington/streams/conversions/ArrayConverter.java

@@ -5,6 +5,7 @@ import com.zipcodewilmington.streams.anthropoid.PersonFactory;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 /**
@@ -23,12 +24,12 @@ public final class ArrayConverter extends PersonConversionAgent<Person[]> {
 
     //TODO
     public List<Person> toList() {
-        return null;
+        return Arrays.stream(toArray()).collect(Collectors.toList());
     }
 
     //TODO
     public Stream<Person> toStream() {
-        return null;
+        return Arrays.stream(toArray());
     }
 
     @Override

src/main/java/com/zipcodewilmington/streams/conversions/ListConverter.java

@@ -3,6 +3,8 @@ package com.zipcodewilmington.streams.conversions;
 import com.zipcodewilmington.streams.anthropoid.Person;
 import com.zipcodewilmington.streams.anthropoid.PersonFactory;
 
+import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Stream;
 
@@ -27,11 +29,11 @@ public final class ListConverter extends PersonConversionAgent<List<Person>> {
 
     //TODO
     public Stream<Person> toStream() {
-        return null;
+        return toList().stream();
     }
 
     //TODO
     public Person[] toArray() {
-        return null;
+        return  toList().stream().toArray(Person[]::new);
     }
 }

src/main/java/com/zipcodewilmington/streams/conversions/StreamConverter.java

@@ -25,16 +25,16 @@ public final class StreamConverter extends PersonConversionAgent<Stream<Person>>
 
     // TODO
     public List<Person> toList() {
-        return null;
+        return personList.stream().collect(Collectors.toList());
     }
 
     // TODO
     public Stream<Person> toStream() {
-        return null;
+        return personList.stream();
     }
 
     // TODO
     public Person[] toArray() {
-        return null;
+        return personList.stream().toArray(Person[]::new);
     }
 }

src/test/java/com/zipcodewilmington/streams/anthropoid/TestPersonWarehouse.java

@@ -74,12 +74,13 @@ public class TestPersonWarehouse {
         }
 
         Iterator<Map.Entry<Long, String>> it = localNameMap.entrySet().iterator();
+        System.out.println(it.hasNext());
         while (it.hasNext()) {
             Map.Entry<Long, String> pair = it.next();
             long pairKey = pair.getKey();
             String pairValue = pair.getValue();
             String mapValue = warehouseNameMap.get(pairKey);
-
+            System.out.println(pairValue);
             Assert.assertTrue(mapValue.equals(pairValue));
         }
     }

target/global.leonlog

@@ -1,2 +1,2 @@
-May 31, 2017 4:45:59 PM com.zipcodewilmington.streams.tools.logging.LoggerHandler log
+Nov 17, 2018 11:18:46 PM com.zipcodewilmington.streams.tools.logging.LoggerHandler log
 INFO: Instantiating logger for [ com.zipcodewilmington.streams.anthropoid.PersonWarehouse ] ...