多维数组的使用

1 package com.duan.array;
2
3 public class ArrayDemo05 {
4 public static void main(String[] args) {
5
6 //[4][2]
7 /*
8 1,2 array[0]
9 2,3 array[1]
10 3,4 array[2]
11 4,5 array[3]
12 */
13
14 int[][] array = {{1, 2}, {2, 3}, {3, 4}, {4, 5}};
15
16 //printArray(array[0]);//1,2
17
18 System.out.println(array[0][0]);//1
19 System.out.println(array[0][1]);//2
20
21 //数组长度
22 System.out.println(array.length);//4
23 System.out.println(array[0].length);//2
24
25 //遍历
26 for (int i = 0; i 27 for (int j = 0; j 28 System.out.println(array[i][j]);
29 }
30
31 }
32
33 }
34
35 //打印数组元素
36 public static void printArray(int[] arrays) {
37 for (int i = 0; i 38 System.out.print(arrays[i] + " ");
39 }
40 }
41 }