public class Array{
public static void main(String [] args){
int [][] a = new int [][]{{1,2,3},{4},{5,6,7,8}}; //定义一个不规整的二维数组
for(int i =0;i
public class Array{
public static void main(String [] args){
int [][] a = new int [][]{{1,2,3},{4},{5,6,7,8}}; //定义一个不规整的二维数组
for(int i =0;i