56多为数组

 

 

package com.kuang.base.array;

public class ArrayDemo05 {
    public static void main(String[] args) {
        //[4] [2]
        /**
         * 1,2   array[0]
         * 2.3   array[1]
         * 3.4   array[2]
         * 4.5   array[3]
         */

        int[][] array = { {1,2},{2,3},{3,4},{4,5}};

        for (int i = 0; i < array.length ; i++){
            for (int j = 0; j < array[i].length ; j++){
                System.out.print(array[i][j]+"  ");
            }
        }
    }
}