两行三列呢?
说好的两行三列呢?怎么变成这样了?
2015-02-15
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.print( names[i][j] +" " ); } //实现换行 System.out.println(); } } }
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] );
}
//实现换行
System.out.println();
}
}
}
就跟答案一样。
如果:
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.print( names[i][j] );
}
//实现换行
System.out.println();
}
}
}
答案就是这样了:tomjackmike
zhangsanlisiwangwu
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