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arraz/.idea/workspace.xml

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arraz/src/main/java/Arraz.java

-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.List;
+import java.util.*;
 
 public class Arraz {
 
         return arr;
     }
 
+    public Integer[] removeDupesFromArray(Integer[] array) {
+        Set<Integer> list = new HashSet<Integer>();
+        int count = 0;
+
+        for (Integer i : array){
+            list.add(i);
+        }
+
+        int len = list.size();
+        Integer[] newArr = new Integer[len];
+
+        for (Integer i : list){
+            newArr[count] = i;
+            count++;
+        }
+
+        return newArr;
+    }
+
+    public Integer find2ndLargestValueFromArray(Integer[] array) {
+        if (array.length < 2){
+            return -1;
+        }
+
+        Integer[] arr = new Integer[array.length];
+                Arrays.sort(array);
+
+        return array[array.length - 2];
+    }
+
     public class OddEven {
         public int odds;
         public int evens;
     public MaxMin findMaxMinOfArray(int[] array) {
         MaxMin mn = new MaxMin();
 
-        mn.max = array[0];
-        mn.min = array[0];
+        mn.setMax(array[0]);
+        mn.setMin(array[0]);
 
         for (int i : array){
             if ( i > mn.getMax() ){
             if ( i < mn.getMin() ){
                 mn.setMin(i);
             }
-
-            System.out.println("Max is: " + mn.max);
-            System.out.println("Min is: " + mn.min);
         }
 
         return mn;
-
     }
 }

arraz/src/test/java/ArrazTest.java

         int[] array = {1,5,2,4,3};
         int expected = 5;
 
+        Arraz arraz = new Arraz();
         Arraz.MaxMin mn = arraz.new MaxMin();
 
         arraz.findMaxMinOfArray(array);
 
-        Assert.assertEquals(expected, mn.getMax());
+        Assert.assertEquals(expected, arraz.findMaxMinOfArray(array).getMax());
 
     }
 
         int[] array = {1,5,2,-1,0};
         int expected = -1;
 
+        Arraz arraz = new Arraz();
         Arraz.MaxMin mn = arraz.new MaxMin();
 
-        arraz.findMaxMinOfArray(array);
 
-        Assert.assertEquals(expected, mn.getMin());
+        Assert.assertEquals(expected, arraz.findMaxMinOfArray(array).getMin());
+
+    }
+
+    @Test
+    public void testRemoveDupesFromArray(){
+
+        Integer[] array = {1,2,3,2,4,4,5,6,7,7,8};
+
+        Integer[] expected = {1,2,3,4,5,6,7,8};
+        Integer[] actual = arraz.removeDupesFromArray(array);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test2RemoveDupesFromArray(){
+
+        Integer[] array = {1,1,1,1,1,1,1,1};
+
+        Integer[] expected = {1};
+        Integer[] actual = arraz.removeDupesFromArray(array);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testFind2ndLargestValueFromArray(){
+
+        Integer[] array = {1,2,3,4,5};
+
+        Integer expected = 4;
+        Integer actual = arraz.find2ndLargestValueFromArray(array);
 
+        Assert.assertEquals(expected, actual);
     }
 
+    @Test
+    public void test2Find2ndLargestValueFromArray(){
+
+        Integer[] array = {1};
 
+        Integer expected = -1;
+        Integer actual = arraz.find2ndLargestValueFromArray(array);
+
+        Assert.assertEquals(expected, actual);
+    }
 }