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arraz/.idea/compiler.xml

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arraz/.idea/misc.xml

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arraz/.idea/vcs.xml

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arraz/.idea/workspace.xml

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+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </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_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/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:4.0" level="project" />
+  </component>
+</module>

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;
+
 public class Arraz {
+
+
+
+    public Boolean checkingForNull(String[] arr){
+
+       Boolean flag = null;
+
+
+        for (int i = 0; i < arr.length ; i++) {
+            if(arr[i] == null){
+
+                return flag = true;
+            }else{
+                 flag = false;
+            }
+
+        }
+
+        return flag;
+
+
+    }
+
+
+    public int sumValuesOfArrayInt(int[] arr) {
+
+        int value = 0;
+
+        for (int i = 0; i < arr.length; i++) {
+            value += arr[i];
+        }
+
+        return value;
+    }
+
+    public double sumValuesOfArrayDouble(double[] arr) {
+        int value = 0;
+
+        for(double a : arr)
+
+            value += a;
+
+        return value;
+    }
+
+    public int getTheAvgInt(int[] arr) {
+
+        int value = sumValuesOfArrayInt(arr);
+
+        int avg = value / arr.length ;
+
+        return avg;
+    }
+
+    public double getTheAvgDoub(double[] arr) {
+
+        double value = sumValuesOfArrayDouble(arr);
+
+        value = value / arr.length ;
+
+        return value;
+    }
+
+
+    public static long theFibonacci(long i){
+
+        if(i == 0){
+            return 0;
+        }else if(i <= 2){
+            return 1;
+        }
+       return theFibonacci(i - 1) + theFibonacci(i - 2);
+
+
+    }
+
+    public Boolean containsValue(int [] arr, int value) {
+
+        Boolean flag = null;
+
+        for (int i = 0; i < arr.length; i++) {
+
+
+            if (arr[i] == value) {
+                return flag = true;
+            }
+        }
+        return flag = false;
+
+
+    }
+
+    public int[] reverseAnArray(int [] arr){
+
+        int [] arr2 = new int[arr.length];
+        int counter = 0;
+
+        for (int i = arr.length-1; i >= 0; i--) {
+
+            arr2[counter] = arr[i];
+            counter++;
+
+
+        }
+
+        return  arr2;
+
+    }
+
+
+
+
 }

arraz/src/main/java/MoreArrayc.java

-package PACKAGE_NAME;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
 
 public class MoreArrayc {
+
+
+
+    public int findIndexOf(int[] arr, int value) {
+
+        int container = 0;
+
+
+        for (int i = 0; i < arr.length; i++) {
+
+            if (arr[i] == value) {
+                container = i;
+
+            }
+        }
+        return container;
+    }
+
+    public Integer[] copyArrayByIteratingthroughIt(Integer [] arr){
+
+        ArrayList<Integer> arr1 = new ArrayList<Integer>(Arrays.asList(arr));
+        Iterator<Integer> interate = arr1.iterator();
+        Integer [] arr2 = new Integer[arr.length];
+        int count = 0;
+
+        while (interate.hasNext()){
+
+            arr2[count] = interate.next();
+            count++;
+
+        }
+
+        return arr2;
+
+    }
+
+    public Integer[] copyArrayByLoopingthroughIt(Integer [] arr){
+
+
+        Integer [] arrCop = new Integer[arr.length];
+
+        for (int i = 0; i <arr.length ; i++) {
+
+            arrCop[i] = arr[i];
+        }
+
+        return arrCop;
+
+    }
+
+    public Boolean checkArrayForEquals(Integer[]arr,Integer []arr2){
+
+            Boolean flag = null;
+
+
+
+        for (int i = 0; i < arr.length; i++) {
+
+            if(arr[i] == arr2[i]){
+                flag = true;
+            }else{
+                flag = false;
+            }
+    }
+        return flag;
+    }
+
+    public Integer[] removeFromArray(Integer [] arr, int value){
+
+
+        for (int i = 0; i < arr.length; i++) {
+
+            if(arr[i] == value){
+
+                arr[i] = arr[i+1];
+
+
+            }
+
+        }
+        Integer[] cop = Arrays.copyOf(arr,arr.length-1);
+        return cop;
+
+    }
+
+    public Integer find2ndLargestValueFromArray(Integer [] arr){
+
+        Integer maxNum;
+        Integer secondMax;
+
+       if(arr.length <= 1){
+           return arr[0];
+       }
+
+       if(arr[0] < arr[1]) {
+            maxNum = arr[1];
+            secondMax = arr[0];
+
+       }else{
+           maxNum = arr[0];
+           secondMax = arr[1];
+       }
+
+        for (int i = 2; i < arr.length; i++) {
+
+            if(arr[i] > maxNum){
+
+                secondMax =maxNum;
+                maxNum = arr[i];
+
+            }else if(arr[i] < maxNum && arr[i] > secondMax){
+                secondMax = arr[i];
+            }
+
+        }
+        return secondMax;
+    }
 }
+
+
+//    makeMeAnArrayListFromArray
+//    makeMeAnArrayFromArrayList
+//    check2ArraysForEqual
+//   averageArrayWithoutMaxMin
+//    ArrayHas65and77
+//    theTotalofTensIs30`
+//    makeMeACopyPlease
+//    removeLastItemAndCopy
+//    removeFirstItemAndCopy
+//    insertAtStartAndCopy
+//    insertAtEndAndCopy
+//    sortArrayIntoEvensThenOdds

arraz/src/main/java/OddsAndEvens.java

-package PACKAGE_NAME;
+import java.util.ArrayList;
 
 public class OddsAndEvens {
+
+    public int odds;
+    public int evens;
+
+    public OddsAndEvens(int odds, int evens) {
+        this.odds = odds;
+        this.evens = evens;
+    }
+
+
+
 }

arraz/src/main/java/OddsAndEvensMethods.java

-package PACKAGE_NAME;
+public class OddsAndEvensMethods extends OddsAndEvens {
 
-public class OddsAndEvensMethods {
+
+
+    public OddsAndEvensMethods(int odds, int evens) {
+
+        super(odds,evens);
+    }
+
+    public int getOddNums(int[] arr){
+
+        //ArrayList<Integer> containerInt = new ArrayList<Integer>();
+        int counter = 0;
+        for (int i = 0; i < arr.length; i++) {
+
+            if(arr[i] % 2 != 0){
+                counter ++;
+
+            }
+
+        }
+        return this.odds = counter;
+    }
+    public int getEvensNums(int[] arr){
+
+        //ArrayList<Integer> containerInt = new ArrayList<Integer>();
+        int counter = 0;
+        for (int i = 0; i < arr.length; i++) {
+
+            if(arr[i] != 0) {
+
+                if (arr[i] % 2 == 0) {
+                    counter++;
+
+                }
+            }
+
+        }
+        return this.evens = counter;
+    }
 }

arraz/src/test/java/ArrazTest.java

+import org.junit.Assert;
+import org.junit.Test;
+
 import static org.junit.Assert.*;
 
 public class ArrazTest {
 
-}
+    Arraz a = new Arraz();
+
+    @Test
+    public void sumValuesOfArrayIntTest1(){
+        //Given
+
+        int arr [] = {4,32,1,4};
+
+
+        //When
+        // 41
+
+        int actual = a.sumValuesOfArrayInt(arr);
+
+        //Then
+        Assert.assertEquals(41,actual);
+
+    }
+    @Test
+    public void sumValuesOfArrayIntTestNegative2(){
+        //Given
+
+        int arr [] = {-6,43,10,-3};
+
+
+        //When
+        // 44
+        int actual = a.sumValuesOfArrayInt(arr);
+        //Then
+
+        Assert.assertEquals(44,actual);
+
+    }
+
+    @Test
+    public void sumValuesOfArrayDoubleTest1(){
+
+        //Given
+
+        double arr [] = {6.0,43.4,10.3,-3.6};
+        double value = 0;
+
+
+        Double actual = a.sumValuesOfArrayDouble(arr);
+
+
+        //Then
+        Assert.assertEquals(55.0,actual);
+    }
+
+    @Test
+    public void sumValuesOfArrayDoubleTest2(){
+
+        //Given
+
+        double arr [] = {-65,4.4,3.4,-3.6};
+        double value = 0;
+
+
+        Double actual = a.sumValuesOfArrayDouble(arr);
+
+
+        //Then
+        Assert.assertEquals(-59.0,actual);
+    }
+
+    @Test
+    public void getTheAvgInt(){
+        //Given
+
+        int  arr [] = {65,4,4,3,36};
+
+
+        //When
+
+        int actual = a.getTheAvgInt(arr);
+
+        //Then
+        Assert.assertEquals(22,actual);
+    }
+
+    @Test
+    public void getTheAvgInt2(){
+        //Given
+
+        int  arr [] = {6,4,4,-399,36};
+        int value;
+
+        //When
+
+        value = a.sumValuesOfArrayInt(arr);
+
+        int actual = value / arr.length ;
+
+        //Then
+        Assert.assertEquals(-69,actual);
+    }
+
+    @Test
+    public void getTheAvgDoubTest(){
+        //Given
+
+        double arr [] = {6.5,0.4,45,3.0,36};
+
+
+        //When
+
+        double actual = a.getTheAvgDoub(arr);
+
+        //Then
+        Assert.assertEquals(18.0,actual);
+    }
+
+    @Test
+    public void getTheAvgDoubTest2(){
+        //Given
+
+        double arr [] = {-6.5,0.4,-890,3050.0,36};
+
+
+        //When
+
+        double actual = a.getTheAvgDoub(arr);
+
+        //Then
+        Assert.assertEquals(438.2,actual);
+    }
+
+
+    @Test
+    public void gettingThoseNullsTest(){
+        //Given
+
+        String arr [] = {"Connor","Frank",null,"Steven","Marshell"};
+
+
+        //When
+
+        Boolean actual = a.checkingForNull(arr);
+
+        //Then
+        Assert.assertTrue(actual);
+    }
+
+    @Test
+    public void gettingThoseNoNullsTest(){
+        //Given
+
+        String arr [] = {"Carol","Frank","Steven","Marshell"};
+
+
+        //When
+
+        Boolean actual = a.checkingForNull(arr);
+
+        //Then
+        Assert.assertFalse(actual);
+    }
+
+    @Test
+    public void testing_TheFibonacci() {
+
+        long i = 44;
+
+
+        System.out.println(a.theFibonacci(i));
+
+
+
+    }
+
+    @Test
+    public void containsValueTestingFalse() {
+
+        int[] arr = {1, 2, 3, 4};
+
+        int value = 100;
+
+       Boolean actual = a.containsValue(arr,value);
+
+
+        Assert.assertFalse(actual);
+    }
+    @Test
+    public void containsValueTestingTrue() {
+
+        int[] arr = {1, 2, 3, 4};
+
+        int value = 1;
+
+        Boolean actual = a.containsValue(arr,value);
+
+
+        Assert.assertTrue(actual);
+    }
+
+    @Test
+    public void reverseArrayTest(){
+
+        int [] arr = {5,6,7,8,9};
+        int [] arr2 = {9,8,7,6,5};
+        Boolean flag = null;
+
+
+        int [] actual = a.reverseAnArray(arr);
+
+        for (int i = 0; i < arr.length ; i++) {
+
+            flag = actual[i] == arr2[i];
+
+            System.out.print(actual[i]);
+        }
+
+        Assert.assertTrue(flag);
+
+    }
+    @Test
+    public void reverseArrayTest2() {
+
+        int[] arr = {5, 6, 7, -3, 9};
+        int[] arr2 = {9, -3, 7, 6, 5};
+        Boolean flag = null;
+
+
+        int[] actual = a.reverseAnArray(arr);
+
+        for (int i = 0; i < arr.length; i++) {
+
+            flag = actual[i] == arr2[i];
+
+            System.out.print(actual[i]);
+        }
+
+        Assert.assertTrue(flag);
+
+        }
+
+
+    }

arraz/src/test/java/MoreArraysTest.java

+import com.sun.xml.internal.xsom.impl.scd.Iterators;
 import org.junit.Assert;
 import org.junit.Test;
 
-public class MoreArraysTest {
+import java.util.Arrays;
+import java.util.Iterator;
 
+public class MoreArraysTest {
 
 
+    MoreArrayc more = new MoreArrayc();
     @Test
     public void findIndexOfTest() {
         //Given
 
         //When
 
-       int container = MoreArrayz.
+       int container = more.findIndexOf(arr,value);
 
 
         //Then
         //Given
         int [] arr = {5,1,7,8,9,4,3};
         int value = 5;
-        int container = 0;
 
         //When
 
-        for (int i = 0; i < arr.length; i++) {
+        int container = more.findIndexOf(arr,value);
+
+
+        //Then
+        Assert.assertEquals(0,container);
+
+
+    }
+
+    @Test
+    public void CopyAnArrayByIteratingitTest(){
+
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+        Integer [] arrCop;
+
+
+        //When
+        arrCop = more.copyArrayByIteratingthroughIt(arr);
+
+
+        //Then
+        Assert.assertTrue(Arrays.equals(arr,arrCop));
+
+    }
+
+    @Test
+    public void CopyAnArrayByIteratingitTestAddingnew(){
+
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+        Integer [] arrCop;
+
+
+        //When
+        arrCop = more.copyArrayByIteratingthroughIt(arr);
+
+        arrCop [4] = 8;
+
+        //Then
+        Assert.assertFalse(Arrays.equals(arr,arrCop));
+
+    }
+
+    @Test
+    public void check2ArraysForEquals(){
+
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+        Integer [] arr2 = {5,1,7,8,9,4,3};
 
-            if(arr[i] == value){
-                container = i;
 
-            }
-        }
 
+        //When
 
+        Boolean flag = more.checkArrayForEquals(arr,arr2);
         //Then
-        Assert.assertEquals(3,container);
 
+        Assert.assertTrue(flag);
 
     }
+
+    @Test
+    public void CopyAnArrayByloopingitTest(){
+
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+        Integer [] arrCop;
+
+
+        //When
+        arrCop = more.copyArrayByLoopingthroughIt(arr);
+
+
+
+        //Then
+        Assert.assertTrue(Arrays.equals(arr,arrCop));
+
+    }
+
+    @Test
+    public void CopyAnArrayByloopingitTestadding(){
+
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+        Integer [] arrCop;
+
+
+        //When
+        arrCop = more.copyArrayByLoopingthroughIt(arr);
+
+        arrCop[0] = 4;
+
+        //Then
+        Assert.assertFalse(Arrays.equals(arr,arrCop));
+
+    }
+
+    @Test
+    public void removeElementFromArray(){
+
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+        int element = 4;
+        int expected = 6;
+
+
+        //When
+
+        Integer[] cop = more.removeFromArray(arr,element);
+
+
+        //Then
+
+        Assert.assertEquals(expected,cop.length);
+
+
+    }
+
+    @Test
+    public void find2ndLargestValueFromArrayTest (){
+        //Given
+        Integer [] arr = {5,1,7,8,9,4,3};
+
+        //When
+        Integer actual = more.find2ndLargestValueFromArray(arr);
+
+        //Then
+
+        Assert.assertEquals(8,actual);
+    }
+
 }

arraz/src/test/java/OddsAndEventsTest.java

-package PACKAGE_NAME;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
 
 public class OddsAndEventsTest {
+
+    OddsAndEvensMethods oNEM = new OddsAndEvensMethods(0,0);
+    @Before
+    public void setup(){
+
+    }
+
+
+    @Test
+    public void getOddNumsTest(){
+
+        // Given
+        int [] arr = {5,6,7,8,9};
+        //When
+
+        int  actual =  oNEM.getOddNums(arr);
+
+        //Then
+
+        Assert.assertEquals(3,oNEM.odds);
+
+
+    }
+
+
+    @Test
+    public void getOddNumsTest2(){
+
+        // Given
+        int [] arr = {5,0,7,8,9};
+        //When
+
+        int  actual = oNEM.getOddNums(arr);
+
+        //Then
+
+        Assert.assertEquals(3,actual);
+
+
+    }
+
+    @Test
+    public void getEvenNumsTest(){
+
+        // Given
+        int [] arr = {5,1,7,8,9,4};
+        //When
+
+        int  actual = oNEM.getEvensNums(arr);
+
+        //Then
+
+        Assert.assertEquals(2,actual);
+
+
+    }
+    @Test
+    public void getEvenNumsTestZeroSnuckIn(){
+
+        // Given
+        int [] arr = {5,1,7,8,9,4,0,0,0};
+        //When
+
+        int  actual = oNEM.getEvensNums(arr);
+
+        //Then
+
+        Assert.assertEquals(2,actual);
+
+
+    }
+
+
 }