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@ -14,6 +14,12 @@ public class ArrayManipulation { |
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} |
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} |
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public static int[] removeFirst(int[] arr) { |
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return Arrays.copyOfRange(arr, 1, arr.length); // Copys the array "arr" from place 1 for the whole length of the array |
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} |
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public static int[] removeLast(int[] arr){ |
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public static int[] removeLast(int[] arr){ |
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int arr2[]; |
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int arr2[]; |
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if(arr.length<=1) return arr2 = new int[0]; //if array only has 1 elements, give empty array |
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if(arr.length<=1) return arr2 = new int[0]; //if array only has 1 elements, give empty array |
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@ -24,11 +30,20 @@ public class ArrayManipulation { |
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return arr2; //return new array |
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return arr2; //return new array |
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} |
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} |
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public static int[] squareEach(int[] arr) { |
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for (int i = 0; i < arr.length; i++) { |
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arr[i] = arr[i] * arr[i]; |
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} |
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return arr; |
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} |
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public static void main(String[] args) { |
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public static void main(String[] args) { |
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int[] arr = {1,2,3,4,5}; |
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int[] arr = {1,2,3,4,5}; |
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System.out.println(Arrays.toString(removeLast(arr))); |
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System.out.println(Arrays.toString(reverseArray(arr))); |
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System.out.println(Arrays.toString(removeFirst(arr))); // prints out the array on the Terminal which used the removefirst method |
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System.out.println(Arrays.toString(removeLast(arr))); |
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System.out.println(Arrays.toString(squareEach(arr))); |
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System.out.println(Arrays.toString(reverseArray(arr))); // prints out the array reversed on the Terminal which used the reversearray method |
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} |
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} |
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} |
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} |