Java二维数组

package com.test;public class Test { public static void main(String[] args) {
// TODO Auto-generated method stub
//两种二位数组定义方式
// int a[][] = new int[2][3];
// int[][] b = new int[2][3];
//两种初始化方式
/*//1 定义的同时初始化
int[][] arry = {{0, 0, 0, 0, 0, 0},
{0, 0, 1, 0, 0, 0},
{0, 2, 0, 3, 0, 0},
{0, 0, 0, 0, 0, 0}};*/ //该初始化方式会报错
// int[][] array = new int[4][6];
// array[4][6] = {{0, 0, 0, 0, 0, 0},{0, 0, 1, 0, 0, 0}, {0, 2, 0, 3, 0, 0},{0, 0, 0, 0, 0, 0}};
//该初始化方式会报错
// int[] arra = new int[2];
// arra = {1, 2};
//应改为
// int[] arra2 = {1, 2}; //2 首先开辟数组空间，再逐个初始化
int[][] array = new int[4][6]; array[1][2] = 1;
array[2][1] = 2;
array[2][3] = 3; //把图形输出
//先访问行
for (int i = 0; i < array.length; i++) {
//后打印列
for (int j = 0; j < 6; j++) {
System.out.print(array[i][j]+" ");
}
//换行
System.out.println();
}
}
}