2ndLargest

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arraz/src/main/java/Arraz.java

         return integerSet.toArray(new Integer[0]);
     }
 
-    public double find2ndLargestValueFromArray(double[] array){
-        return 0.0;
+    public Double find2ndLargestValueFromArray(Double[] array){
+        Set<Double> set = new TreeSet<>(Arrays.asList(array));
+        Double[] newArray = set.toArray(new Double[0]);
+        return newArray[newArray.length - 2];
     }
 
     public List<Integer> makeMeAnArrayListFromArray(Integer[] array){
     public boolean check2ArraysForEqual(int[] array1, int[] array2){
         return Arrays.equals(array1, array2);
     }
+
+    public double averageArrayWithoutMaxMin(int[] array){
+        MaxMin maxMin = findMaxMinOfArray(array);
+        int[] noMax = removeElementFromArray(array, maxMin.getMax());
+        int[] noMaxMin = removeElementFromArray(noMax, maxMin.getMin());
+        return averageOfArray(noMaxMin);
+    }
+
+    public boolean arrayHas65and77(Integer[] array){
+        List<Integer> list = Arrays.asList(array);
+            if(list.contains(65) && list.contains(77)){
+                return true;
+            }else{return false;}
+    }
 }

arraz/src/test/java/ArrazTest.java

 
     @Test
     public void testFind2ndLargestFromArray1(){
-        double expected = 38.4;
-        double actual = testArraz.find2ndLargestValueFromArray(double1);
+        Double expected = 99.3;
+        Double[] doubleArr = new Double[]{10.4, 99.3, 89.45, 23.0, 1.1, 199.4, 199.4};
+        Double actual = testArraz.find2ndLargestValueFromArray(doubleArr);
 
         Assert.assertEquals(expected, actual, .01);
     }
 
     @Test
     public void testFind2ndLargestFromArray2(){
-        double expected = 78.9;
-        double actual = testArraz.find2ndLargestValueFromArray(double2);
+        Double expected = 3.149;
+        Double[] doubleArr = new Double[]{3.14, 3.14, 3.14, 3.14, 54.9};
+        Double actual = testArraz.find2ndLargestValueFromArray(doubleArr);
 
         Assert.assertEquals(expected, actual, .01);
     }
         Assert.assertFalse(testArraz.check2ArraysForEqual(arr1, expected));
     }
 
+    @Test
+    public void testAverageArrayWithoutMaxMin(){
+        double expected = 14.0;
+        double actual = testArraz.averageArrayWithoutMaxMin(arr1);
+
+        Assert.assertEquals(expected, actual, .01);
+    }
+
+    @Test
+    public void testAverageArrayWithoutMaxMin2(){
+        double expected = 48;
+        double actual = testArraz.averageArrayWithoutMaxMin(arr2);
+        System.out.println(actual);
+
+        Assert.assertEquals(expected, actual, .01);
+    }
+
+    @Test
+    public void testArrayHas65and771(){
+        Integer[] array = new Integer[]{65, 10, 34, 7, 77, 89};
+        Assert.assertTrue(testArraz.arrayHas65and77(array));
+    }
+
+    @Test
+    public void testArrayHas65and772(){
+        Integer[] array = new Integer[]{3, 1, 9999, 5, 44};
+        Assert.assertFalse(testArraz.arrayHas65and77(array));
+    }
 
 }