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+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcode/tools/RandomUtils.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="405">
+          <caret line="27" column="68" lean-forward="false" selection-start-line="27" selection-start-column="68" selection-end-line="27" selection-end-column="68" />
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+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcode/Person.java">
+      <provider selected="true" editor-type-id="text-editor">
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+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcode/tools/PersonFactory.java">
+      <provider selected="true" editor-type-id="text-editor">
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+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcode/ArrayLoopMethods.java">
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+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/com/zipcode.java">
+      <provider selected="true" editor-type-id="text-editor">
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+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcode/ArrayListLoopMethods.java">
+      <provider selected="true" editor-type-id="text-editor">
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+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/com/zipcode/ArrayLoopMethodsTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="405">
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+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/com/zipcode/ArrayListLoopMethodsTest.java">
+      <provider selected="true" editor-type-id="text-editor">
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+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>

looptest.iml

+<?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_5">
+    <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/main/resources" type="java-resource" />
+      <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

+<?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>
+
+    <groupId>mygroupid</groupId>
+    <artifactId>looptest</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+        </dependency>
+    </dependencies>
+
+
+</project>

src/main/java/com/zipcode/ArrayListLoopMethods.java

+package com.zipcode;
+
+import com.zipcode.tools.PersonFactory;
+
+import java.util.ArrayList;
+
+/**
+ * Created by leon on 5/2/17.
+ */
+public class ArrayListLoopMethods {
+    private ArrayList<Person> personArrayList = PersonFactory.createPersonArrayList(100);
+
+    public void testWhileLoop() {
+        int i = 0;
+        while(i<personArrayList.size()) {
+            Person person = personArrayList.get(i);
+            String name = person.getName();
+            System.out.println(name);
+            i++;
+        }
+    }
+
+    public void testForLoop() {
+        for(int i=0; i<personArrayList.size(); i++) {
+            Person person = personArrayList.get(i);
+            String name = person.getName();
+            System.out.println(name);
+        }
+    }
+
+    public void testForEachloop() {
+        for(Person person : personArrayList) {
+            String name = person.getName();
+            System.out.println(name);
+        }
+    }
+}

src/main/java/com/zipcode/ArrayLoopMethods.java

+package com.zipcode;
+
+import com.zipcode.Person;
+import com.zipcode.tools.PersonFactory;
+
+/**
+ * Created by leon on 5/2/17.
+ */
+public class ArrayLoopMethods {
+    private Person[] personArray = PersonFactory.createPersonArray(100);
+
+    public void testWhileLoop() {
+        int i = 0;
+        while(i< personArray.length) {
+            Person person = personArray[i];
+            String name = person.getName();
+            System.out.println(name);
+            i++;
+        }
+    }
+
+    public void testForLoop() {
+        for(int i = 0; i< personArray.length; i++) {
+            Person person = personArray[i];
+            String name = person.getName();
+            System.out.println(name);
+        }
+    }
+
+    public void testForEachloop() {
+        for(Person person : personArray) {
+            String name = person.getName();
+            System.out.println(name);
+        }
+    }
+}

src/main/java/com/zipcode/Person.java

+package com.zipcode;
+
+import java.util.Date;
+
+/**
+ * Created by leon on 5/1/17.
+ */
+public class Person {
+    private String name;
+    private int age;
+    private boolean isMale;
+    private long personalId;
+    private Date birthDate;
+
+    public Person(String name, int age, boolean isMale, long personalId, Date birthDate) {
+        this.name = name;
+        this.age = age;
+        this.isMale = isMale;
+        this.personalId = personalId;
+        this.birthDate = birthDate;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public boolean isMale() {
+        return isMale;
+    }
+
+    public long getPersonalId() {
+        return personalId;
+    }
+
+    public Date getBirthDate() {
+        return birthDate;
+    }
+
+    public void setPersonalId(long personalId) {
+        this.personalId = personalId;
+    }
+
+    public void setMale(boolean male) {
+        isMale = male;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setBirthDate(Date birthDate) {
+        this.birthDate = birthDate;
+    }
+}

src/main/java/com/zipcode/tools/PersonFactory.java

+package com.zipcode.tools;
+import com.zipcode.Person;
+
+import java.util.ArrayList;
+import java.util.Date;
+
+/** Created by leon on 5/1/17. */
+public class PersonFactory {
+    public static Person createRandomPerson() {
+        String name = RandomUtils.createString('a', 'z', 10);
+        int age = RandomUtils.createInteger(0, 99);
+        boolean isMale = RandomUtils.chance(50);
+        long personalId = System.nanoTime();
+        Date birthDate = RandomUtils.createDate(1950, 2010);
+        Person randomPerson = new Person(name, age, isMale, personalId, birthDate);
+        return randomPerson;
+    }
+
+    public static ArrayList<Person> createPersonArrayList(int personCount) {
+        ArrayList<Person> people = new ArrayList<Person>();
+        for(int i=0;i<people.size();i++) {
+            people.add(PersonFactory.createRandomPerson());
+        }
+        return people;
+    }
+
+
+    public static Person[] createPersonArray(int personCount) {
+        Person[] people = new Person[personCount];
+        for(int i=0;i<people.length;i++) {
+            people[i] = PersonFactory.createRandomPerson();
+        }
+        return people;
+    }
+}

src/main/java/com/zipcode/tools/RandomUtils.java

+package com.zipcode.tools;
+
+import java.awt.*;
+import java.util.*;
+
+/**
+ * Created by Leon on 2/4/2017.
+ */
+
+public abstract class RandomUtils {
+    private static final Random random = new Random();
+
+    /** @return true with the likelihood of specified percentage */
+    public static boolean chance(float percentage) {
+        return percentage > createFloat(0, 100);
+    }
+
+    /** @return a random character between the specified min and max character range */
+    public static Character createCharacter(char min, char max) {
+        return (char) createInteger((int) min, (int) min).intValue();
+    }
+
+    /** @return a random double between the specified min and max numeric range */
+    public static Double createDouble(Double min, Double max) {
+        return createFloat(min.floatValue(), max.floatValue()).doubleValue();
+    }
+
+    /** @return a random float between the specified min and max numeric range */
+    public static Float createFloat(float min, float max) {
+        return random.nextFloat() * (max - min) + min;
+    }
+
+    /** @return a random integer between the specified min and max numeric range */
+    public static Integer createInteger(Integer min, Integer max) {
+        return createFloat(min, max).intValue();
+    }
+
+    /** @return a random long between the specified min and max numeric range */
+    public static Long createLong(Long min, Long max) {
+        return createFloat(min, max).longValue();
+    }
+
+    /** @return a random string of the specified length containing characters in the specified range */
+    public static String createString(char min, char max, int length) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < length; i++) {
+            sb.append(createCharacter(min, max));
+        }
+        return sb.toString();
+    }
+
+    /** @return a random date object ranging between the specified dates */
+    public static Date createDate(int minYear, int maxYear) {
+        GregorianCalendar gc = new GregorianCalendar();
+        gc.set(Calendar.YEAR, createInteger(minYear, maxYear));
+        gc.set(Calendar.DAY_OF_YEAR, createInteger(1, gc.getActualMaximum(Calendar.DAY_OF_YEAR)));
+        return gc.getTime();
+    }
+
+    /** @return a random element from the sepcified array */
+    public static <E> E selectElement(E[] array) {
+        return array[createInteger(0, array.length - 1)];
+    }
+
+    /** @return specified string value with random upper and lower casing assigned to each character */
+    public static String shuffleCasing(String str) {
+        StringBuilder sb = new StringBuilder();
+        for (String s : str.toLowerCase().split("")) {
+            sb.append(chance(50) ? s.toUpperCase() : s.toLowerCase());
+        }
+        return sb.toString();
+    }
+
+    /** @return shuffles the specified string array */
+    public static String[] shuffleStringArray(String... array) {
+        ArrayList<String> list = new ArrayList<String>(Arrays.asList(array));
+        Collections.shuffle(list);
+        return list.toArray(new String[list.size()]);
+    }
+
+    /** @return a random color with the specified maximum rgb values */
+    public static Color createColor(int maxRed, int maxGreen, int maxBlue) {
+        int red = createInteger(0, maxRed);
+        int green = createInteger(0, maxGreen);
+        int blue = createInteger(0, maxBlue);
+        return new Color(red, green, blue);
+    }
+}

src/test/java/com/zipcode/ArrayListLoopMethodsTest.java

+package com.zipcode;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Created by leon on 5/2/17.
+ */
+public class ArrayListLoopMethodsTest {
+    private ArrayListLoopMethods arrayListLoopMethods;
+    @Before
+    public void setup() {
+        arrayListLoopMethods = new ArrayListLoopMethods();
+    }
+
+    @Test
+    public void testWhileLoop() {
+        arrayListLoopMethods.testWhileLoop();
+    }
+
+    @Test
+    public void testForLoop() {
+        arrayListLoopMethods.testForLoop();
+    }
+
+    @Test
+    public void testForEachLoop() {
+        arrayListLoopMethods.testForEachloop();
+    }
+}

src/test/java/com/zipcode/ArrayLoopMethodsTest.java

+package com.zipcode;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Created by leon on 5/2/17.
+ */
+public class ArrayLoopMethodsTest {
+    private ArrayLoopMethods arrayLoopMethods;
+
+    @Before
+    public void setup() {
+        arrayLoopMethods = new ArrayLoopMethods();
+    }
+
+    @Test
+    public void testWhileLoop() {
+        arrayLoopMethods.testWhileLoop();
+    }
+
+    @Test
+    public void testForLoop() {
+        arrayLoopMethods.testForLoop();
+    }
+
+    @Test
+    public void testForEachLoop() {
+        arrayLoopMethods.testForEachloop();
+    }
+}