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]