day03 java数组 二维数组

java数组

二维数组

public static void main(String[] args) {
     
        int[][] array = {
     {
     1, 2, 3}, {
     2, 3, 4}, {
     4, 5, 6}, {
     6, 7, 8}};
        System.out.println(array[0][0]);//1
        System.out.println(array.length);//4
        System.out.println(array[0].length);//3
        for (int i = 0; i < array.length; i++) {
     
            for (int j = 0; j < array[0].length; j++) {
     
                System.out.println(array[i][j]);
            }
        }
    }