public static void main(String[] args) {
		int[] array1 = {1,2,3};
		int[] array2 = {4,5,6};
		
		System.out.println("Array1 = " + Arrays.toString(array1));
		System.out.println("Array2 = " + Arrays.toString(array2));
		
		swapAll(array1, array2);
		
		System.out.println("After swaping Array1 and Array2:");
		
		System.out.println("Array1 = " + Arrays.toString(array1));
		System.out.println("Array2 = " + Arrays.toString(array2));
		
	}
	public static void swapAll(int[]array1, int[]array2) {
		for(int i=0; i<array1.length; i++) {
		int temp = array1[i];
		array1[i] = array2[i];
		array2[i] = temp;
		}
	}
}
//output: Array1 = [1, 2, 3]
Array2 = [4, 5, 6]
After swaping Array1 and Array2:
Array1 = [4, 5, 6]
Array2 = [1, 2, 3]