public static void main(String[] args) {

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

for (int i = 0; i <3 ; i++) {

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

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

}

System.out.println();

}

}

这样输入的是

tom

jack

mike

zhangsan

lisi

wangwu

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2

at Caculator1.main(Caculator1.java:12)        //这一段是什么意思