数组打印

 public static void main6(String[] args) {
        int[][] array = {{1,2,3},{4,5,6}};
        for (int i = 0; i < array.length; i++) {
            for (int j = 0; j < array[i].length; j++) {
                System.out.print(array[i][j]+" ");
            }
            System.out.println();
        }
        System.out.println("=============");
        for (int[] ret : array) {
            for (int x : ret) {
                System.out.print(x+" ");
            }
            System.out.println();
        }
        System.out.println("=============");
        System.out.println(Arrays.deepToString(array));
        /*System.out.println(Arrays.toString(array[0]));
        System.out.println(Arrays.toString(array[1]));*/
    }