Merge branch 'master' of gogs.informatik.hs-fulda.de:lenaba/Repository

HA1/ArrayManipulation.java

@@ -0,0 +1,34 @@
+import java.util.Arrays;
+
+public class ArrayManipulation {
+
+   
+    public static int[] reverseArray(int[] arr) {
+
+        for (int i = 0; i < arr.length/2; i++) {
+            int tmp = arr[i];
+            arr[i] = arr[arr.length - 1 - i];
+            arr[arr.length - 1 - i] = tmp;
+         }
+         return arr;
+
+    }
+
+    public static int[] removeLast(int[] arr){
+        int arr2[];
+        if(arr.length<=1) return arr2 = new int[0]; //if array only has 1 elements, give empty array
+        arr2 = new int[arr.length-1]; //else make new array with length one less
+        for(int i=0; i<arr.length-1; i++){
+            arr2[i]=arr[i]; //copy all but the last elements of original array
+        }
+        return arr2; //return new array
+    }
+
+    public static void main(String[] args) {
+       
+        int[] arr = {1,2,3,4,5};
+        System.out.println(Arrays.toString(removeLast(arr)));
+        System.out.println(Arrays.toString(reverseArray(arr)));
+        
+    }
+}