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("二維數(shù)組a2的長(zhǎng)度為:"+a2.length);

for(i=0;i<a2.length;i++) {

System.out.println("a2["+i+"]的長(zhǎng)度為:"+a2[i].length);

for(j=0;j<a2[i].length;j++)

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

System.out.println();

}

}

}