public class HelloWorld {

    public static void main(String[] args) {

// 定义两行三列的二维数组并赋值

   String[][] names={{"tom","jack","mike"},{"zhangsan","lisi","wangwu"}};

// 通过二重循环输出二维数组中元素的值

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

for (int j = 0; j < names[i].length; j++) {

System.out.println(  names[i][j]                );

}

            Arrays.sort(names);

System.out.println(Arrays.toString(names));

}

}

}