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+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/NumberUtils.java">
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+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
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+    <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
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arraz/arraz.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">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_6">
     <output url="file://$MODULE_DIR$/target/classes" />
     <output-test url="file://$MODULE_DIR$/target/test-classes" />
     <content url="file://$MODULE_DIR$">

arraz/pom.xml

     <groupId>rocks.zipcode.arraysgonewild</groupId>
     <artifactId>arraz</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>6</source>
+                    <target>6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

arraz/src/main/java/Arraz.java

-import java.util.Arrays;
-import java.util.Iterator;
+import java.util.*;
 
 public class Arraz {
 
 
         return maxMin;
     }
+
+    public static Integer[] removeDupesFromArray(Integer[] arr) {
+        Set<Integer> setNoDupes = new LinkedHashSet<Integer>(Arrays.asList(arr));
+        return setNoDupes.toArray(new Integer[setNoDupes.size()]);
+    }
+
+    public static Integer find2ndLargestValueFromArray(Integer[] arr) {
+        Set<Integer> setNoDupes = new TreeSet<Integer>(Arrays.asList(arr));
+        Integer[] orderedArr = setNoDupes.toArray(new Integer[setNoDupes.size()]);
+
+        if (orderedArr.length > 1) {
+            return orderedArr[1];
+        } else if (orderedArr.length == 1) {
+            return orderedArr[0];
+        } else {
+            return null;
+        }
+    }
+
+    public static ArrayList<Integer> makeMeAnArrayListFromArray(Integer[] arr) {
+        return new ArrayList<Integer>(Arrays.asList(arr));
+    }
+
+    public static Integer[] makeMeAnArrayFromArrayList(ArrayList<Integer> arrayList) {
+        return arrayList.toArray(new Integer[arrayList.size()]);
+    }
+
+    public static boolean check2ArraysForEqual(Integer[] ints, Integer[] ints1) {
+        if (ints.length != ints1.length)  {
+            return false;
+        }
+        for (int i = 0; i < ints.length; i++) {
+            if (ints[i] != ints1[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public static int averageArrayWithoutMaxMin(Integer[] arr) {
+        MaxMin mm = findMaxMinOfArray(arr);
+        Integer[] noMax = removeElementFromArray(arr, mm.getMax());
+        Integer[] noMaxOrMin = removeElementFromArray(noMax, mm.getMin());
+
+        return averageOfArray(noMaxOrMin);
+    }
+
+    public static boolean arrayHas65and77(Integer[] arr) {
+        return makeMeAnArrayListFromArray(arr).contains(65) && makeMeAnArrayListFromArray(arr).contains(77);
+    }
+
+    public static boolean theTotalOfTensIs30(Integer[] arr) {
+        int sum = 0;
+        for (Integer i: arr
+             ) {
+            if (i % 10 == 0) {
+                sum += i;
+            }
+        }
+
+        return sum == 30;
+    }
+
+    public static TwoSmallest find2Smallest(Integer[] ints) {
+        if (ints.length > 1) {
+            TwoSmallest twoSmallest = new TwoSmallest();
+            int smallest = findMaxMinOfArray(ints).getMin();
+            twoSmallest.setSmallest(smallest);
+
+            Integer[] secondSmallest = removeElementFromArray(ints, smallest);
+            twoSmallest.setSecond_smallest(findMaxMinOfArray(secondSmallest).getMin());
+
+            return twoSmallest;
+        }
+        return null;
+    }
+
+    public static Integer[] makeMeACopyPlease(Integer[] arr) {
+        return copyArrayByInterator(reverseArray(arr));
+    }
+
+    private static Integer[] removeElementAtIndex(Integer[] arr, int index) {
+        if (index > arr.length) { return arr; }
+
+        Integer[] arr2 = new Integer[arr.length - 1];
+
+        int arr2Index = 0;
+        for (int i = 0; i < arr.length; i++) {
+            if (i != index) {
+                arr2[arr2Index++] = arr[i];
+            }
+        }
+
+        return arr2;
+    }
+
+    public static Integer[] removeLastItemAndCopy(Integer[] arr) {
+        Integer[] arr2 = removeElementAtIndex(arr, arr.length -1);
+        return copyArrayByInterator(arr2);
+    }
+
+    public static Integer[] removeFirstItemAndCopy(Integer[] arr) {
+        return copyArrayByInterator(removeElementAtIndex(arr, 0));
+    }
+
+    public static Integer[] insert(Integer[] arr, int index, int value) {
+        Integer[] newArray = new Integer[arr.length + 1];
+        System.arraycopy(arr, 0, newArray, 0, index);
+        System.arraycopy(arr, index, newArray,index + 1, newArray.length - (index + 1));
+        newArray[index] = value;
+        return newArray;
+    }
+    public static Integer[] insertAtStartAndCopy(Integer[] arr, int value) {
+        return copyArrayByInterator(insert(arr, 0, value));
+    }
+
+    public static Integer[] insertAtEndAndCopy(Integer[] arr, int value) {
+        return copyArrayByInterator((insert(arr, arr.length, value)));
+    }
+
+
+    public static Integer[] sortArrayIntoEvensThenOdds(Integer[] arr) {
+        ArrayList<Integer> odds = new ArrayList<Integer>();
+        ArrayList<Integer> evens = new ArrayList<Integer>();
+
+        for (Integer i : arr) {
+            if (NumberUtils.isOdd(i)) {
+                odds.add(i);
+            } else {
+                evens.add(i);
+            }
+        }
+        evens.addAll(odds);
+        return makeMeAnArrayFromArrayList(evens);
+    }
 }
 

arraz/src/main/java/MaxMin.java

 public class MaxMin{
-    public int max = Integer.MAX_VALUE;
-    public int min = Integer.MIN_VALUE;
+    private int max = Integer.MAX_VALUE;
+    private int min = Integer.MIN_VALUE;
 
     public MaxMin(int max, int min) {
         this.max = max;

arraz/src/main/java/OddEven.java

 public class OddEven{
-    public int odds = 0;
-    public int evens = 0;
+    private int odds = 0;
+    private int evens = 0;
+
+    private Integer[] evensArr;
+    private Integer[] oddsArr;
+
 
     public OddEven(int odds, int evens) {
         this.odds = odds;
         this.evens = evens;
     }
 
+
     public OddEven() {
     }
 
+    public Integer[] getEvensArr() {
+        return evensArr;
+    }
+
+    public void setEvensArr(Integer[] evensArr) {
+        this.evensArr = evensArr;
+    }
+
+    public Integer[] getOddsArr() {
+        return oddsArr;
+    }
+
+    public void setOddsArr(Integer[] oddsArr) {
+        this.oddsArr = oddsArr;
+    }
+
     public int getOdds() {
         return odds;
     }

arraz/src/main/java/TwoSmallest.java

+public class TwoSmallest {
+    private int smallest = Integer.MIN_VALUE;
+    private int second_smallest= Integer.MIN_VALUE;
+
+    public TwoSmallest() {
+    }
+
+    public TwoSmallest(int smallest, int second_smallest) {
+        this.smallest = smallest;
+        this.second_smallest = second_smallest;
+    }
+
+    public int getSmallest() {
+        return smallest;
+    }
+
+    public void setSmallest(int smallest) {
+        this.smallest = smallest;
+    }
+
+    public int getSecond_smallest() {
+        return second_smallest;
+    }
+
+    public void setSecond_smallest(int second_smallest) {
+        this.second_smallest = second_smallest;
+    }
+}

arraz/src/test/java/ArrazTest.java

+import org.junit.Assert;
 import org.junit.Test;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 
 import static java.lang.Double.NaN;
 
         assertEquals(0, Arraz.findMaxMinOfArray(arr).getMax());
         assertEquals(0, Arraz.findMaxMinOfArray(arr).getMin());
+    }
+
+    @Test
+    public void test1RemoveDupesFromArray() {
+        Integer[] arr = {0, 0, 0, 0, 3, 3, 1, 1, 5};
+        Integer[] exp = {0, 3, 1, 5};
+
+        assertEquals(exp, Arraz.removeDupesFromArray(arr));
+    }
+
+    @Test
+    public void test2RemoveDupesFromArray() {
+        assertEquals(ints2, Arraz.removeDupesFromArray(ints2));
+    }
+
+    @Test
+    public void test1find2ndLargestValueFromArray() {
+        int expected = 10;
+        assertEquals(expected, Arraz.find2ndLargestValueFromArray(ints2));
+    }
+
+    @Test
+    public void test2Find2NdLargestValueFromArray() {
+        int expected = -7;
+        assertEquals(expected, Arraz.find2ndLargestValueFromArray(ints));
+    }
+
+    @Test
+    public void testMakeMeAnArrayListFromArray() {
+        ArrayList<Integer> arrayList = new ArrayList<Integer>(Arrays.asList(ints2));
+        assertEquals(arrayList, Arraz.makeMeAnArrayListFromArray(ints2));
+    }
+
+    @Test
+    public void test2MakeMeAnArrayListFromArray() {
+        ArrayList<Integer> arrayList = new ArrayList<Integer>(Arrays.asList(ints));
+        assertEquals(arrayList, Arraz.makeMeAnArrayListFromArray(ints));
+    }
+
+    @Test
+    public void test1MakeMeAnArrayFromArrayList() {
+        ArrayList<Integer> arrayList = Arraz.makeMeAnArrayListFromArray(ints);
+        assertEquals(ints, Arraz.makeMeAnArrayFromArrayList(arrayList));
+    }
 
+    @Test
+    public void test2MakeMeAnArrayFromArrayList() {
+        ArrayList<Integer> arrayList = Arraz.makeMeAnArrayListFromArray(ints2);
+        assertEquals(ints2, Arraz.makeMeAnArrayFromArrayList(arrayList));
+    }
+
+    @Test
+    public void test1check2ArraysForEqual() {
+        assertTrue(Arraz.check2ArraysForEqual(ints, ints));
+    }
+
+    @Test
+    public void test2check2ArraysForEqual() {
+        assertFalse(Arraz.check2ArraysForEqual(ints, ints2));
+    }
+
+    @Test
+    public void test1AverageArrayWithoutMaxMin() {
+        int expected = 10;
+        assertEquals(expected, Arraz.averageArrayWithoutMaxMin(ints2));
+    }
+
+    @Test
+    public void test2AverageArrayWithoutMaxMin() {
+        int expected = 17;
+        assertEquals(expected, Arraz.averageArrayWithoutMaxMin(ints));
+    }
+
+    @Test
+    public void test1ArrayHas65and77() {
+        assertFalse(Arraz.arrayHas65and77(ints2));
+    }
+
+    @Test
+    public void test2ArrayHas65and77() {
+        Integer[] arr = {65, 77};
+        assertTrue(Arraz.arrayHas65and77(arr));
+    }
+
+    @Test
+    public void test1theTotalOfTensIs30() {
+        assertFalse(Arraz.theTotalOfTensIs30(ints));
     }
 
+    @Test
+    public void test2theTotalOfTensIs30() {
+        Integer[] arr = {10, 10, 10};
+        assertTrue(Arraz.theTotalOfTensIs30(arr));
+    }
+
+    @Test
+    public void test1find2Smallest() {
+        TwoSmallest smallest = new TwoSmallest(0, 1);
+        Integer[] arr = {0, 1};
+        assertEquals(smallest.getSmallest(), Arraz.find2Smallest(arr).getSmallest());
+    }
+
+    @Test(expected = NullPointerException.class)
+    public void test2Find2Smallest() {
+        Integer[] arr = {};
+        Arraz.find2Smallest(arr);
+        assertEquals(0, Arraz.find2Smallest(arr).getSecond_smallest());
+
+        /* refactor to handle this */
+    }
+
+    @Test
+    public void test1MakeMeACopyPlease() {
+        Integer[] exp = Arraz.reverseArray(ints);
+        assertEquals(exp, Arraz.makeMeACopyPlease(ints));
+    }
+
+    @Test
+    public void test2MakeMeACopyPlease() {
+        Integer[] exp = Arraz.reverseArray(ints2);
+        assertEquals(exp, Arraz.makeMeACopyPlease(ints2));
+    }
+
+    @Test
+    public void test1removeLastItemAndCopy() {
+        Integer[] exp = {6, 10};
+        assertEquals(exp, Arraz.removeLastItemAndCopy(ints2));
+    }
+
+    @Test
+    public void test2RemoveLastItemAndCopy() {
+        Integer[] exp = {4,5,102,6,-7,12,-32,92};
+        assertEquals(exp, Arraz.removeLastItemAndCopy(ints));
+    }
+
+    @Test
+    public void test1RemoveFirstItemAndCopy() {
+        Integer[] exp = {10, 31};
+        assertEquals(exp, Arraz.removeFirstItemAndCopy(ints2));
+    }
+
+    @Test
+    public void test2RemoveFirstItemAndCopy() {
+        Integer[] exp = {5,102,6,-7,12,-32,92,8};
+        assertEquals(exp, Arraz.removeFirstItemAndCopy(ints));
+    }
+
+    @Test
+    public void test1InsertAtStartAndCopy() {
+        Integer[] exp = {1, 4, 5,102,6,-7,12,-32,92,8};
+        Integer[] actual = Arraz.insertAtStartAndCopy(ints, 1);
+        assertEquals(exp, actual);
+    }
+
+    @Test
+    public void test2InsertAtStartAndCopy() {
+        Integer[] exp = {5, 6, 10, 31};
+        assertEquals(exp, Arraz.insertAtStartAndCopy(ints2,5));
+    }
+
+    @Test
+    public void test1InsertAtEndAndCopy() {
+        Integer[] exp = {4, 5,102,6,-7,12,-32,92,8, 1};
+        assertEquals(exp, Arraz.insertAtEndAndCopy(ints, 1));
+    }
+
+    @Test
+    public void test2InsertAtEndAndCopy() {
+        Integer[] exp = {6, 10, 31, 5};
+        assertEquals(exp, Arraz.insertAtEndAndCopy(ints2, 5));
+    }
+
+    @Test
+    public void test1sortArrayIntoEvensThenOdds() {
+        Integer[] exp = {6, 10, 31};
+        assertEquals(exp, Arraz.sortArrayIntoEvensThenOdds(ints2));
+    }
+
+    @Test
+    public void test2SortArrayIntoEvensThenodds() {
+        Integer[] exp = {4, 102, 6, 12, -32, 92, 8, 5, -7};
+        assertEquals(exp, Arraz.sortArrayIntoEvensThenOdds(ints));
+    }
 }