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arraz/.idea/compiler.xml

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arraz/.idea/misc.xml

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arraz/.idea/modules.xml

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+    </configuration>
+    <configuration default="true" type="tests" factoryName="py.test">
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+  </component>
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+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="0c2c6f8b-1924-4233-96d3-547219bcb47b" name="Default Changelist" comment="" />
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+      <updated>1544059041471</updated>
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+      <window_info anchor="bottom" id="Database Changes" show_stripe_button="false" />
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+      <window_info anchor="right" id="Palette&#9;" />
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+            </option>
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+        </settings>
+      </state>
+    </states>
+  </component>
+</project>

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://$MODULE_DIR$">
       <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="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Maven: junit:junit:4.0" level="project" />
   </component>

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.*;
+
 public class Arraz {
+    public   Integer  sumValuesOfArray(Integer [] arr){
+        Integer sum = 0 ;
+        for (Integer i: arr) {
+            sum += i;
+
+        }
+        return sum;
+
+    }
+    public  double sumDoublesOfArray(double [] arr){
+        double sum = 0;
+        for (double i: arr) {
+            sum += i;
+        }
+            return sum;
+
+    }
+    public  Integer averageOfArray( Integer [] arr){
+
+
+        return sumValuesOfArray(arr) / arr.length;
+    }
+    public   double  doubleAverageOfArray (double [] arr){
+        return  sumDoublesOfArray(arr) / arr.length;
+    }
+
+    public  boolean containValue( Integer [] arr, int number){
+        for (int i : arr) {
+
+            if (i == number ){
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public  Integer [] reverseArray (Integer [] arr){
+       List <Integer> list = Arrays.asList(arr);
+        Collections.reverse(list);
+
+
+        return makeMeAnArrayFromArrayList(list);
+    }
+
+    public  OddEven getOddEvensOfArray(int [] arr){
+
+        int odd = 0;
+        int even = 0;
+
+        for (int i:arr) {
+            if (i % 2 == 0){
+                odd ++;
+            }else {
+                even ++;
+            }
+
+        }
+        return new OddEven(odd,even) ;
+
+    }
+
+    public  Integer findIndexOf( Integer [] arr, Integer value){
+
+     int num = 0;
+        for (int i = 0; i <arr.length-1 ; i++) {
+
+
+            if (value == arr[i]){
+                num = i;
+
+            }
+
+        }
+        return num;
+    }
+    public  Integer findValueAt( Integer [] arr, int index){
+
+        int num = 0;
+        for (int i = 0; i <arr.length-1 ; i++) {
+
+
+            if (index == i){
+                num = arr[i];
+
+            }
+
+        }
+        return num;
+    }
+
+    public  Integer [] copyArrayByInterator( Integer [] arr){
+        Iterator <Integer> integerIterator = Arrays.asList(arr).iterator();
+        Integer [] copyArr = new Integer[arr.length];
+        int index=0;
+
+        while (integerIterator.hasNext()){
+            copyArr [index] = integerIterator.next();
+            index++;
+
+
+        }
+
+   return copyArr;
+    }
+
+    public int [] copyArrayByloop( int [] arr){
+        int [] copyArr = new int [arr.length];
+
+        int index = 0;
+        for (int i = 0; i <arr.length ; i++) {
+            copyArr[index] = arr [i];
+            index++;
+
+
+        }
+        return copyArr;
+    }
+
+    public  Integer [] removeElemetFromArray( Integer [] arr, int value){
+        int size = arr.length;
+
+        int index = findIndexOf(arr,value);
+
+        for (int i = index; i < size -1; i++) {
+
+            arr[i] = arr[i+1];
+        }
+        size = size - 1;
+
+        Integer[] copyarr = Arrays.copyOf(arr,size);
+        return copyarr;
+
+    }
+
+    public  Integer [] insertIntoArrayAt(Integer [] arr, Integer num, int index){
+   Integer [] result = new Integer[arr.length+1];
+        for (int i = 0; i <result.length ; i++) {
+            if (i < index){
+                result [i] =arr[i];
+            }else if (i ==index){
+                result [i]=  num;
+
+            }else {
+                result [i]= arr[i-1];
+            }
+
+        }
+   return result ;
+    }
+
+   public MaxMin findMaxMinOfArray(Integer [] arr ){
+     int  max = arr[0];
+     int min = arr [0];
+       for (Integer i: arr) {
+           if (arr[i]> max){
+               max = arr[i];
+           } else if (arr[i]< min){
+               min = arr[i];
+           }
+
+       }
+
+        return new MaxMin(max,min);
+   }
+
+
+    public  Integer [] removeDupesFromArray( Integer [] arr) {
+        List <Integer> list = new ArrayList<Integer>();
+        list.add(arr[0]);
+        for (Integer i: arr) {
+            if(!list.contains(i)){
+                list.add(i);
+            }
+
+        }
+        return makeMeAnArrayFromArrayList(list);
+    }
+
+
+ public  double find2ndLargestValueFromArrayDouble( double [] arr){
+        double largest = arr[0];
+        double secondLargest = arr[0];
+
+     for (int i = 0; i <arr.length ; i++) {
+
+         if(arr[i]> largest){
+             secondLargest = largest;
+             largest = arr[i];
+         } else if (arr[i]> secondLargest){
+             secondLargest = arr [i];
+         }
+
+     }
+
+
+        return secondLargest ;
+   }
+
+
+   public   List<Integer> makeMeAnArrayListFromArray( Integer [] arr){
+
+        return Arrays.asList(arr);
+
+    }
+
+    public  Integer [] makeMeAnArrayFromArrayList(List <Integer> list){
+        return list.toArray(new Integer[list.size()]);
+
+
+
+
+       }
+
+    public  boolean check2ArraysForEqual( int [] array , int [] arr){
+
+
+        return Arrays.equals(array,arr);
+    }
+    public Integer averageArrayWithoutMaxMin(Integer [] arr){
+        MaxMin maxMin = findMaxMinOfArray(arr);
+        Integer[] removeMax = removeElemetFromArray(arr, maxMin.getMax());
+        Integer [] result = removeElemetFromArray(removeMax, maxMin.getMin());
+
+        return averageOfArray(result);
+    }
+
+    public  boolean arrayHas65and77( Integer [] arr) {
+
+            if (containValue(arr,65) &&
+                    containValue(arr, 77)) {
+                return true;
+            }
+
+
+        return false;
+    }
+
+    public  boolean theTotalofTensIs30(int []arr){
+       int sum = 0;
+       for(int i: arr){
+
+       if(i == 10) sum +=i;
+
+       if (sum ==30)return true;
+
+       }
+       return false;
+    }
+
+
+    public  int  findSmallerAndSecondSmaller( Integer [] arr){
+        MaxMin maxMin = findMaxMinOfArray(arr);
+        Integer [] removeMin = removeElemetFromArray( arr,maxMin.getMin());
+         MaxMin secondSmaller = findMaxMinOfArray(removeMin);
+
+
+        return   maxMin.getMin() + secondSmaller.getMin() ;
+    }
+
+
+
+    public  Integer[] removeLastItemAndCopy(Integer [] arr){
+
+        return Arrays.copyOf(arr, arr.length-1);
+        }
+
+    public  Integer[] removeFirstItemAndCopy(Integer [] arr) {
+        return removeElemetFromArray(arr, arr[0]);
+    }
+
+
+
+    public  Integer [] insertAtStartAndCopy(Integer [] arr, int value){
+
+            return insertIntoArrayAt(arr,value,0);
+        }
+
+
+
+
+    public Integer [] insertAtEndAndCopy (Integer [] arr, Integer value){
+
+
+        return insertIntoArrayAt(arr,value , arr.length);
+    }
+    public Integer [] sortArrayIntoEvensThenOdds(Integer [] arr){
+
+      List <Integer> even = new ArrayList<Integer>();
+      List <Integer> odd = new ArrayList<Integer>();
+        for ( Integer i: arr) {
+            if (i %2 ==0){
+                even.add(i);
+            } else {
+                odd.add(i);
+
+            }
+
+        }
+        Collections.sort(even);
+        Collections.sort(odd);
+        even.addAll(odd);
+        return even.toArray(new  Integer[even.size()]);
+    }
+
+
 }
+

arraz/src/main/java/MaxMin.java

+public class MaxMin {
+    public int max;
+    public int min;
+
+    public MaxMin(int max, int min) {
+        this.max = max;
+        this.min = min;
+    }
+
+    public int getMax() {
+        return max;
+    }
+
+    public void setMax(int max) {
+        this.max = max;
+    }
+
+    public int getMin() {
+        return min;
+    }
+
+    public void setMin(int min) {
+        this.min = min;
+    }
+
+
+}

arraz/src/main/java/OddEven.java

+public class OddEven {
+    public int odds;
+    public int evens;
+
+    public OddEven() {
+    }
+
+    public OddEven(int odds, int evens) {
+        this.odds = odds;
+        this.evens = evens;
+    }
+
+    public int getOdds() {
+        return odds;
+    }
+
+    public void setOdds(int odds) {
+        this.odds = odds;
+    }
+
+    public int getEvens() {
+        return evens;
+    }
+
+    public void setEvens(int evens) {
+        this.evens = evens;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {return true;
+        } else if (obj ==null || getClass() != obj.getClass()) {
+            return false;
+        }
+        OddEven oddEven = (OddEven) obj;
+
+
+        return odds == oddEven.odds &&
+                evens== oddEven.evens;
+    }
+
+
+}

arraz/src/test/java/ArrazTest.java

-import static org.junit.Assert.*;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+
 
 public class ArrazTest {
+   Arraz arraz = new Arraz();
+
+    @Test
+    public void test1SumValueOfArrayInt() {
+        Integer[] spiffyHandyIntArray ={4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        int expected = 190;
+        int actual = arraz.sumValuesOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual);
+
+
+    }
+
+    @Test
+    public void test2SumValueOfArrayInt() {
+        Integer[] spiffyHandyIntArray = { 4, 5, 6, -7, 12, -32, 92};
+
+        int expecte = 80;
+        int actual = arraz.sumValuesOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expecte, actual);
+
+
+    }
+
+
+    @Test
+    public void test1SumValueOfArrayDouble() {
+        double[] spiffyHandyDoubleArray = new double[]{1.0, 0.5, 3.6, 3.14159};
+
+
+        double expecte = 8.24159;
+        double actual = arraz.sumDoublesOfArray(spiffyHandyDoubleArray);
+        Assert.assertEquals(expecte, actual, 0.00001);
+
+
+    }
+
+    @Test
+    public void test2SumValueOfArrayDouble() {
+        double[] spiffyHandyDoubleArray = new double[]{1.0, 0.5, 3.6 - 0.8};
+
+
+        double expecte = 4.3;
+        double actual = arraz.sumDoublesOfArray(spiffyHandyDoubleArray);
+        Assert.assertEquals(expecte, actual, 0.01);
+
+
+    }
+
+    @Test
+    public void test1AverageOfArray() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92,};
+        int expected = 11;
+        int actual = arraz.averageOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test2AverageOfArray() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, 10};
+        int expected = 6;
+        int actual = arraz.averageOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test1DoubleAverageOfArray() {
+        double[] spiffyHandyIntArray = new double[]{4.3, 5.9, 6.09, 10.8};
+        double expected = 6.77;
+        double actual = arraz.doubleAverageOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual, 0.01);
+    }
+
+    @Test
+    public void test2DoubleAverageOfArray() {
+        double[] spiffyHandyIntArray = new double[]{8.0, 9.9, 8.009, 77.06};
+        double expected = 25.742;
+        double actual = arraz.doubleAverageOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+
+    @Test
+    public void test1ContainsValue() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92,};
+        int num = -32;
+        Assert.assertTrue(arraz.containValue(spiffyHandyIntArray, num));
+
+
+    }
+
+    @Test
+    public void test2ContainsValue() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92,};
+        int num = 6;
+        Assert.assertTrue(arraz.containValue(spiffyHandyIntArray, num));
+
+
+    }
+
+
+    @Test
+    public void test1ReverseArray() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92,};
+
+        Integer[] expected = {92, -32, 12, -7, 6, 5, 4};
+        Integer[] actual = arraz.reverseArray(spiffyHandyIntArray);
+         Assert.assertTrue(Arrays.equals(expected,actual));
+
+
+    }
+
+    @Test
+    public void test2ReverseArray() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92,};
+
+        Integer[] expected = {92, -32, 12, -7, 6, 5, 4};
+        Integer[] actual = arraz.reverseArray(spiffyHandyIntArray);
+         Assert.assertTrue(Arrays.equals(expected,actual));
+
+
+    }
+
+    @Test
+    public void test1getOddEvensOfArray() {
+
+        int[] spiffyHandyIntArray = {4, 5, 6};
+        OddEven expected = new OddEven(5, 4);
+        OddEven actual = arraz.getOddEvensOfArray(spiffyHandyIntArray);
+        Assert.assertEquals( expected, actual);
+
+
+    }
+
+    @Test
+    public void test2getOddEvensOfArray() {
+        int[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92,};
+        OddEven expected = new OddEven(-7, 12);
+        OddEven actual = arraz.getOddEvensOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual);
+
+
+    }
+
+    @Test
+    public void test1FindIndexOff() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+
+        int expected = 3;
+        int actual = arraz.findIndexOf(spiffyHandyIntArray, -7);
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test2FindIndexOff() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+        int expected = 0;
+        int actual = arraz.findIndexOf(spiffyHandyIntArray, 4);
+        Assert.assertEquals(expected, actual);
+    }
+    @Test
+    public void test1FindValueAt(){
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+        int expected = 12;
+        int actual = arraz.findValueAt(spiffyHandyIntArray, 4);
+        Assert.assertEquals(expected,actual);
+    }@Test
+    public void test2FindValueAt(){
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+        int expected = -32;
+        int actual = arraz.findValueAt(spiffyHandyIntArray, 5);
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1CopyArrayByInterator() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+        Integer[] expected = {4, 5, 6, -7, 12, -32, 92};
+        Integer[] actual = arraz.copyArrayByInterator(spiffyHandyIntArray);
+
+        Assert.assertEquals(expected, actual);
+
+
+    }
+
+    @Test
+    public void test2CopyArrayByInterator() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+        Integer[] expected = {4, 5, 6, -7, 12, -32, 92};
+        Integer[] actual = arraz.copyArrayByInterator(spiffyHandyIntArray);
+
+        Assert.assertEquals(expected, actual);
+
+
+    }
+
+    @Test
+    public void test1CopyArrayByLoop() {
+        int[] spiffyHandyIntArray = {4, 5, 6, -7, 12, -32, 92};
+        int[] expected = {4, 5, 6, -7, 12, -32, 92};
+        int [] actual = arraz.copyArrayByloop(spiffyHandyIntArray);
+
+        Assert.assertTrue(Arrays.equals(expected,actual));
+
+
+    }
+
+    @Test
+    public void test2CopyArrayByLoop() {
+        int[] spiffyHandyIntArray = {4, 5, 6};
+        int[] expected = {4, 5, 6};
+        int [] actual = arraz.copyArrayByloop(spiffyHandyIntArray);
+
+        Assert.assertTrue(Arrays.equals(expected, actual));
+
+
+    }
+    @Test
+    public void test1RemoveElementFromArray(){
+        Integer[] spiffyHandyIntArray = {4, 5, 6};
+
+        arraz.removeElemetFromArray(spiffyHandyIntArray, 2);
+        Assert.assertFalse(arraz.containValue(spiffyHandyIntArray,2));
+    }
+    @Test
+    public void test2RemoveElementFromArray(){
+        Integer[] spiffyHandyIntArray = {4, 5, 6};
+        int expected = 0;
+        arraz.removeElemetFromArray(spiffyHandyIntArray, 6);
+        Assert.assertEquals(arraz.findIndexOf(spiffyHandyIntArray,5), expected);
+}
+
+@Test
+    public void test1InsertIntoArrayAt(){
+    Integer[] spiffyHandyIntArray = {4, 5, 6};
+    Integer  num = 8;
+    int expected = 0;
+
+    arraz.insertIntoArrayAt(spiffyHandyIntArray, num, 0);
+
+    Assert.assertEquals(expected, arraz.findIndexOf(spiffyHandyIntArray, 8));
+
+}
+    @Test
+    public void test2InsertIntoArrayAt() {
+        Integer[] spiffyHandyIntArray = {4, 5, 6};
+        Integer num = 7;
+        int expected = 0;
+
+        arraz.insertIntoArrayAt(spiffyHandyIntArray, num, 2);
+
+
+        Assert.assertEquals(expected, arraz.findIndexOf(spiffyHandyIntArray, 8));
+    }
+    @Test
+    public void test1FindMaxMinOfArray() {
+
+        Integer[] spiffyHandyIntArray = {4, 5, 6};
+        MaxMin expected = new MaxMin(6, 4);
+        MaxMin actual = arraz.findMaxMinOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual);
+    }
+    @Test
+    public void test2FindMaxMinOfArray() {
+
+        Integer[] spiffyHandyIntArray = {8,3,90};
+        MaxMin expected = new MaxMin(90, 3);
+        MaxMin actual = arraz.findMaxMinOfArray(spiffyHandyIntArray);
+        Assert.assertEquals(expected, actual);
+    }
+@Test
+    public void test1RemoveDupesFromArray(){
+    Integer[] spiffyHandyIntArray = {8, 8, 3,90, 90,77,8};
+    Integer [] expected = {8,3,90,77};
+    Integer [] actual = arraz.removeDupesFromArray(spiffyHandyIntArray);
+    Assert.assertTrue(Arrays.equals(expected,actual));
+}
+
+    @Test
+    public void test2RemoveDupesFromArray(){
+        Integer[] spiffyHandyIntArray = {-1,-1,22,66,22,8,90,90};
+        Integer [] expected = {-1,22,66,8,90};
+        Integer [] actual = arraz.removeDupesFromArray(spiffyHandyIntArray);
+        Assert.assertTrue(Arrays.equals(expected,actual));
+    }
+    @Test
+     public void test1find2ndLargestValueFromArray(){
+        double[] spiffyHandyIntArray = {8.3, 8.7, 3.90, 90.77};
+        double expected = 8.7;
+
+        double actual = arraz.find2ndLargestValueFromArrayDouble(spiffyHandyIntArray);
+         Assert.assertEquals(expected,actual, 0.001);
+    }
+
+    @Test
+    public void test2find2ndLargestValueFromArray(){
+        double[] spiffyHandyIntArray = {4.99,99.5,8.95};
+        double expected = 8.95;
+
+        double actual = arraz.find2ndLargestValueFromArrayDouble(spiffyHandyIntArray);
+        Assert.assertEquals(expected,actual, 0.001);
+    }
+    @Test
+   public void test1makeMeAnArrayListFromArray(){
+        Integer[] spiffyHandyIntArray = {4,99,8,};
+        List<Integer> list = new ArrayList<Integer>();
+        list.add(4);
+        list.add(99);
+        list.add(8);
+        List<Integer> actual = arraz.makeMeAnArrayListFromArray(spiffyHandyIntArray);
+
+        Assert.assertEquals(list,actual);
+
+
+    }
+    @Test
+    public void test2makeMeAnArrayListFromArray(){
+        Integer[] spiffyHandyIntArray = {22,100,3};
+        List<Integer> list = new ArrayList<Integer>();
+        list.add(22);
+        list.add(100);
+        list.add(3);
+        List<Integer> actual = arraz.makeMeAnArrayListFromArray(spiffyHandyIntArray);
+
+        Assert.assertEquals(list,actual);
+
+
+    }
+    @Test
+    public void test1MakeAnArrayFromList(){
+
+        List<Integer> list = new ArrayList<Integer>();
+        list.add(22);
+        list.add(100);
+        list.add(3);
+        Integer [] expecte = {22,100,3};
+       Integer [] actual = arraz.makeMeAnArrayFromArrayList(list);
+
+
+        Assert.assertEquals(expecte,actual);
+
+
+    }
+
+    @Test
+    public void test2MakeAnArrayFromList(){
+
+        List<Integer> list = new ArrayList<Integer>();
+        list.add(1);
+        list.add(10);
+        list.add(3);
+        Integer [] expecte = {1,10,3};
+        Integer [] actual = arraz.makeMeAnArrayFromArrayList(list);
+
+
+        Assert.assertEquals(expecte,actual);
+
+
+    }
+    @Test
+    public void test1check2ArraysForEqual(){
+        int [] arr1 = {1,2,3};
+        int [] arr2 = { 1,2,3};
+        Assert.assertTrue(arraz.check2ArraysForEqual(arr1,arr2));
+    }
+
+    @Test
+    public void test2check2ArraysForEqual(){
+        int [] arr1 = {1,2,22,3,45};
+        int [] arr2 = { 1,2,22,3,45};
+        Assert.assertTrue(arraz.check2ArraysForEqual(arr1,arr2));
+    }
+    @Test
+    public void test1averageArrayWithoutMaxMin(){
+        Integer [] arr1 = {1,2,22,3,45,33};
+        int expected = 9;
+        int actual = arraz.averageArrayWithoutMaxMin(arr1);
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void test2averageArrayWithoutMaxMin(){
+        Integer [] arr1 = {1,2,3,4,33};
+        int expected = 3;
+        int actual = arraz.averageArrayWithoutMaxMin(arr1);
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+     public void test1arrayHas65and77(){
+        Integer [] arr1 = {65,77};
+
+        Assert.assertTrue(arraz.arrayHas65and77(arr1));
+
+     }
+    @Test
+    public void test2arrayHas65and77(){
+        Integer[] arr1 = {1,2,3,4,33};
+
+        Assert.assertFalse(arraz.arrayHas65and77(arr1));
+
+    }
+
+    @Test
+    public void test1theTotalOfTensIs30(){
+        int [] arr1 = {1,20,10,4,10,5,6,10};
+        Assert.assertTrue(arraz.theTotalofTensIs30(arr1));
+    }
+    @Test
+    public void test2theTotalOfTensIs30(){
+        int [] arr1 = {1,20,10,4,5,6,10};
+        Assert.assertFalse(arraz.theTotalofTensIs30(arr1));
+    }
+
+    @Test
+    public void test1findSmallerAndSecondSmaller(){
+        Integer[] arr1 = {1,20,10,4,5,6,10};
+        int expected = 14;
+        int actual = arraz.findSmallerAndSecondSmaller(arr1);
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void test2findSmallerAndSecondSmaller(){
+        Integer[] arr1 = {7,20,10,4,5,6,10};
+        int expected = 45;
+        int actual = arraz.findSmallerAndSecondSmaller(arr1);
+        Assert.assertEquals(expected,actual);
+    }
+
+   @Test
+    public void test1RemoveLastItemAndCopy(){
+       Integer[] arr1 = {1,20,10,4,5,6,10};
+       Integer[] expected= {1,20,10,4,5,6};
+       Integer [] actual = arraz.removeLastItemAndCopy(arr1);
+       Assert.assertTrue(Arrays.equals(expected,actual));
+
+   }
+    @Test
+    public void test2RemoveLastItemAndCopy(){
+        Integer[] arr1 = {5,6,10};
+        Integer[] expected= {5,6};
+        Integer [] actual = arraz.removeLastItemAndCopy(arr1);
+        Assert.assertTrue(Arrays.equals(expected,actual));
+
+    }
+
+
+    @Test
+    public void test1RemoveFirstItemAndCopy() {
+        Integer[] arr1 = {5, 6, 10};
+        Integer[] expected = {6, 10};
+        Integer[] actual = arraz.removeFirstItemAndCopy(arr1);
+        Assert.assertTrue(Arrays.equals(expected, actual));
+
+    }
+    @Test
+    public void test2RemoveFirstItemAndCopy() {
+        Integer[] arr1 = { 6,10,88,9};
+        Integer[] expected = {10,88,9};
+        Integer[] actual = arraz.removeFirstItemAndCopy(arr1);
+        Assert.assertTrue(Arrays.equals(expected, actual));
+
+    }
+    @Test
+    public void test1InsertAtStatAndCopy() {
+        Integer [] arr1 = {6,10,88,9};
+        Integer num = 2;
+        Integer [] expected = {2,6,10,88,9};
+        Integer[] actual = arraz.insertAtStartAndCopy(arr1,num);
+      Assert.assertEquals(expected, actual);
+
+    }
+    @Test
+    public void test2InsertAtStatAndCopy() {
+        Integer [] arr1 = {6,10,88,9};
+        Integer num = 88;
+        Integer [] expected = {88,6,10,88,9};
+        Integer[] actual = arraz.insertAtStartAndCopy(arr1,num);
+        Assert.assertEquals(expected, actual);
+
+    }
+    @Test
+    public void test1InsertAtEndAndCopy() {
+        Integer [] arr1 = {6,10,88,9};
+        Integer num = 82;
+        Integer [] expected = {6,10,88,9,82};
+        Integer[] actual = arraz.insertAtEndAndCopy(arr1,num);
+        Assert.assertEquals(expected, actual);
+
+    }
+    @Test
+    public void test2InsertAtEndAndCopy() {
+        Integer [] arr1 = {6,10,88,9};
+        Integer num = 3;
+        Integer [] expected = {6,10,88,9,3};
+        Integer[] actual = arraz.insertAtEndAndCopy(arr1,num);
+        Assert.assertEquals(expected, actual);
+
+    }
+    @Test
+    public void test1SortArrayIntoEvensThenOdds(){
+        Integer [] arr1 = {1,2,3,4,5,6};
+        Integer[] expected = {2,4,6,1,3,5};
+        Integer[] actual = arraz.sortArrayIntoEvensThenOdds(arr1);
+        //System.out.println(Arrays.toString(actual));
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void test2SortArrayIntoEvensThenOdds(){
+        Integer [] arr1 = {7,22,33,44,5};
+        Integer[] expected = {22,44,5,7,33};
+        Integer[] actual = arraz.sortArrayIntoEvensThenOdds(arr1);
+        //System.out.println(Arrays.toString(actual));
+        Assert.assertEquals(expected,actual);
+    }
+
+
 
 }