2021-03-24

package xuhao;

public class XUHAOX {

public static void main(String args[]) {

  int a2[][]= {{12,34},{-5},{3,5,7}};

int i,j;

System.out.println("二维数组a2的长度为:"+a2.length);

for(i=0;i

System.out.println("a2["+i+"]的长度为:"+a2[i].length);

for(j=0;j

System.out.println("a2["+i+"]["+j+"]="+a2[i][j]+"\t");

System.out.println();

}

}

}