Completed part one.

.idea/.name

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

.idea/compiler.xml

@@ -9,7 +9,7 @@
         <module name="looptest" />
       </profile>
     </annotationProcessing>
-    <bytecodeTargetLevel target="1.8">
+    <bytecodeTargetLevel>
       <module name="looptest" target="1.8" />
     </bytecodeTargetLevel>
   </component>

.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/misc.xml

@@ -1,23 +1,5 @@
 <?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="MavenProjectsManager">
     <option name="originalFiles">
       <list>
@@ -25,23 +7,7 @@
       </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" />
+    <output url="file://$PROJECT_DIR$/classes" />
   </component>
 </project>

.idea/modules.xml

@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/streamdemo.iml" filepath="$PROJECT_DIR$/streamdemo.iml" />
+      <module fileurl="file://$PROJECT_DIR$/looptest.iml" filepath="$PROJECT_DIR$/looptest.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>

looptest.iml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_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/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+  </component>
+</module>

pom.xml

@@ -15,5 +15,18 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
 
 </project>

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 +56,10 @@ public class StreamFilter {
      * @return a list of person object whose name starts with `this.startingCharacter`
      */ //TODO
     public List<Person> toListMultiLine() {
-        return null;
+        return personStream.distinct()
+                .filter(p -> p.getName()
+                .startsWith("" + this.startingCharacter))
+                .collect(Collectors.toList());
     }
 
 
@@ -64,7 +68,7 @@ public class StreamFilter {
      * @return a list of person objects whose name starts with `this.startingCharacter`
      */ //TODO
     public List<Person> toListOneLine() {
-        return null;
+        return personStream.distinct().filter(p -> p.getName().startsWith("" + this.startingCharacter)).collect(Collectors.toList());
     }
 
 
@@ -73,7 +77,7 @@ public class StreamFilter {
      * @return an array of person object whose name starts with `this.startingCharacter`
      */ //TODO
     public Person[] toArrayOneLine() {
-        return null;
+        return personStream.distinct().filter(p -> p.getName().startsWith("" + this.startingCharacter)).toArray(Person[]::new);
     }
 
 
@@ -82,7 +86,10 @@ public class StreamFilter {
      * @return an array of person object whose name starts with `this.startingCharacter`
      */ //TODO
     public Person[] toArrayMultiLine() {
-        return null;
+        return personStream.distinct()
+                .filter(p -> p.getName()
+                .startsWith("" + this.startingCharacter))
+                .toArray(Person[]::new);
     }
 
 }

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

@@ -5,6 +5,7 @@ import com.zipcodewilmington.streams.conversions.StreamConverter;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -18,7 +19,7 @@ public class StreamMap {
      * @return - a Stream of single characters
      */ //TODO
     public static Stream<String> letters(String someWord) {
-        return null;
+        return Pattern.compile("").splitAsStream(someWord);
     }
 
     /**
@@ -26,7 +27,8 @@ public class StreamMap {
      * @return - a Stream of several Streams of single characters
      */ //TODO
     public static Stream<Stream<String>> wordsMap(String... someWords) {
-        return null;
+        return Arrays.stream(someWords)
+                .map(StreamMap::letters);
     }
 
     /**
@@ -34,6 +36,7 @@ public class StreamMap {
      * @return - a Stream of several Streams of single characters
      */ //TODO
     public static Stream<String> wordsFlatMap(String... stringArray) {
-        return null;
+        return Arrays.stream(stringArray)
+                .flatMap(StreamMap::letters);
     }
 }

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.ArrayList;
 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 createPersonStream(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 createPersonStream(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

@@ -5,6 +5,7 @@ import com.zipcodewilmington.streams.tools.logging.LoggerHandler;
 import com.zipcodewilmington.streams.tools.logging.LoggerWarehouse;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
@@ -35,7 +36,8 @@ 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 +46,9 @@ public final class PersonWarehouse {
      * @return a Stream of respective
      */ //TODO
     public static Stream<Person> getUniquelyNamedPeopleStartingWith(Character character) {
-        return null;
+        return people.stream()
+                .distinct()
+                .filter(p -> p.getName().startsWith("" + character));
     }
 
     /**
@@ -52,14 +56,16 @@ public final class PersonWarehouse {
      * @return a Stream of respective
      */ //TODO
     public static Stream<Person> getFirstNUniquelyNamedPeople(int n) {
-        return null;
+        return people.stream()
+                .limit(n);
     }
 
     /**
      * @return a mapping of Person Id to the respective Person name
      */ // TODO
     public static Map<Long, String> getIdToNameMap() {
-        return null;
+        return people.stream()
+                .collect(Collectors.toMap(p -> p.getPersonalId(),p -> p.getName()));
     }
 
 
@@ -82,7 +88,9 @@ public final class PersonWarehouse {
      * @return list of names of Person objects
      */ // TODO
     public static List<String> getNames() {
-        return null;
+        return people.stream()
+                .map(Person::getName)
+                .collect(Collectors.toList());
     }
 
     /**

target/global.leonlog

@@ -1,2 +1,2 @@
-May 31, 2017 4:45:59 PM com.zipcodewilmington.streams.tools.logging.LoggerHandler log
+Nov 18, 2018 11:49:53 PM com.zipcodewilmington.streams.tools.logging.LoggerHandler log
 INFO: Instantiating logger for [ com.zipcodewilmington.streams.anthropoid.PersonWarehouse ] ...