submitted

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

@@ -5,7 +5,9 @@ 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.Random;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -20,7 +22,7 @@ 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(10), RandomUtils.createCharacter('A','Z'));
     }
 
     
@@ -29,7 +31,7 @@ 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);
     }
 
     /**
@@ -37,7 +39,7 @@ 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);
     }
 
 
@@ -56,7 +58,11 @@ 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(person -> {StringBuilder reverseName = new StringBuilder();
+            for (int i = person.getName().length() - 1; i > 0; i--) {
+                reverseName.append(person.getName().charAt(i));
+            } return reverseName.toString().equalsIgnoreCase(person.getName());
+        }).collect(Collectors.toList());
     }
 
 
@@ -65,7 +71,7 @@ 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(person -> StringUtils.isPalindromeIgnoreCase(person.getName())).collect(Collectors.toList());
     }
 
 
@@ -74,7 +80,7 @@ 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(person.getName())).toArray(Person[]::new);
     }
 
 
@@ -83,7 +89,11 @@ 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 -> {StringBuilder reverseName = new StringBuilder();
+            for (int i = person.getName().length() - 1; i > 0; i--) {
+                reverseName.append(person.getName().charAt(i));
+            } return reverseName.toString().equalsIgnoreCase(person.getName());
+        }).toArray(Person[]::new);
     }
 
 }

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

@@ -18,7 +18,8 @@ public class StreamMap {
      * @return - a Stream of single characters
      */ //TODO
     public static Stream<String> letters(String someWord) {
-        return null;
+        String[] characters = someWord.split("");
+        return Arrays.stream(characters);
     }
 
     /**
@@ -26,7 +27,7 @@ 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(word -> letters(word));
     }
 
     /**
@@ -34,6 +35,6 @@ 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).flatMap(word -> letters(word));
     }
 }

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

@@ -38,8 +38,9 @@ public final class PersonFactory {
      * @param listSize - number of Person objects to create
      * @return - ArrayList of Person objects
      */ // TODO
-    public List<Person> createPersonList(int listSize) {
-        return null;
+    public static List<Person> createPersonList(int listSize) {
+        Stream<Person> personStream = Stream.generate(PersonFactory::createRandomPerson).limit(listSize);
+        return personStream.collect(Collectors.toList());
     }
 
 
@@ -47,8 +48,9 @@ public final class PersonFactory {
      * @param arrayLength - number of Person objects to create
      * @return - Array of Person objects
      */ // TODO
-    public Person[] createPersonArray(int arrayLength) {
-        return null;
+    public static Person[] createPersonArray(int arrayLength) {
+        Stream<Person> personStream = Stream.generate(PersonFactory::createRandomPerson).limit(arrayLength);
+        return personStream.toArray(Person[]::new);
     }
 
 
@@ -58,7 +60,7 @@ public final class PersonFactory {
      * @param streamCount - number of Person objects to create
      * @return - Stream representation of collection of Person objects
      */ // TODO
-    public Stream<Person> createPersonStream(int streamCount) {
-        return null;
+    public static Stream<Person> createPersonStream(int streamCount) {
+        return Stream.generate(PersonFactory::createRandomPerson).limit(streamCount);
     }
 }

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

@@ -36,7 +36,7 @@ public final class PersonWarehouse implements Iterable<Person> {
      * @return list of names of Person objects
      */ // TODO
     public List<String> getNames() {
-        return null;
+        return people.stream().map(Person::getName).collect(Collectors.toList());
     }
 
 
@@ -44,7 +44,7 @@ public final class PersonWarehouse implements Iterable<Person> {
      * @return list of uniquely named Person objects
      */ //TODO
     public Stream<Person> getUniquelyNamedPeople() {
-        return null;
+        return people.stream().distinct();
     }
 
 
@@ -53,7 +53,7 @@ public final class PersonWarehouse implements Iterable<Person> {
      * @return a Stream of respective
      */ //TODO
     public Stream<Person> getUniquelyNamedPeopleStartingWith(Character character) {
-        return null;
+        return people.stream().distinct().filter(person -> person.getName().charAt(0) == character);
     }
 
     /**
@@ -61,14 +61,14 @@ public final class PersonWarehouse implements Iterable<Person> {
      * @return a Stream of respective
      */ //TODO
     public Stream<Person> getFirstNUniquelyNamedPeople(int n) {
-        return null;
+        return people.stream().distinct().limit(n);
     }
 
     /**
      * @return a mapping of Person Id to the respective Person name
      */ // TODO
     public Map<Long, String> getIdToNameMap() {
-        return null;
+        return people.stream().collect(Collectors.toMap(Person::getPersonalId, Person::getName));
     }
 
 

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

@@ -25,12 +25,12 @@ public final class ArrayConverter extends PersonConversionAgent<Person[]> {
 
     //TODO
     public List<Person> toList() {
-        return null;
+        return Stream.of(super.objectSequence).collect(Collectors.toList());
     }
 
     //TODO
     public Stream<Person> toStream() {
-        return null;
+        return Stream.of(super.objectSequence);
     }
 
     @Override

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

@@ -29,11 +29,11 @@ public final class ListConverter extends PersonConversionAgent<List<Person>> {
 
     //TODO
     public Stream<Person> toStream() {
-        return null;
+        return super.objectSequence.stream();
     }
 
     //TODO
     public Person[] toArray() {
-        return null;
+        return super.objectSequence.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;
     }
 
     // TODO
     public Stream<Person> toStream() {
-        return null;
+        return personList.stream();
     }
 
     // TODO
     public Person[] toArray() {
-        return null;
+        return personList.stream().toArray(Person[]::new);
     }
 }