return matching index array java
public class compareArray{ public static void main(String[] args){ int[a] = {1,4,5,7}; int[b] = {6,4,3,7}; int[] ab = new int[4]; for(int i = 0; i<a.length; i++; ) { if(a[i] == b[i]) { int[] ab = new int[4]; Arraylist<Integer> al = new Arraylist<Integer>(); for(int i = 0; i < a.length; i++; ) if(a[i] == b[i]) { al.add(a[i]); } } Object[] c= al.toArray(); for(Object ob : c) { System.out.println(obj); }