标签：
label1:
label1:
outer-iteration{
inner-iteration{
//...
break;//(1)
//...
continue;//(2)
//...
continue label1;//(3)
//...
break label1;//(4)
}
} 在（1）中，break中断内部迭代，回到外部迭代。在（2）中，continue使执行点移回内部迭代的起始处。在（3）中，continue label1同时中断内部迭代及外部迭代，直接转到label1处；随后，它实际上是继续迭代过程，但却从外部迭代开始。在（4）中，break label1也会中断所有迭代，并回到label1处，但并不重新进入迭代。也就是说，它实际是完全中止了两个迭代。package com.mufeng.thefourthchapter;
public class Labeled {
public static void main(String[] args) {
System.out.println("标签用于for循环的例子");
int i = 0;
outer: // Can't have statements here 这里不能有陈述
for (; true;) {// infinite loop 无限循环
inner: // Can't have statements here 这里不能有陈述
for (; i < 10; i++) {
System.out.println("i = " + i);
if (i == 2) {
System.out.println("continue");
continue;
}
if (i == 3) {
System.out.println("break");
i++;// Otherwise i never gets incremented 否则i不会得到增量
break;
}
if (i == 7) {
System.out.println("continue outer");
i++;// Otherwise i never gets incremented 否则i不会得到增量
continue outer;
}
if (i == 8) {
System.out.println("break outer");
break outer;
}
for (int k = 0; k < 5; k++) {
if (k == 3) {
System.out.println("continue inner");
continue inner;
}
}
}
}
System.out.println("标签用于while循环的例子");
i = 0;
outer: while (true) {
System.out.println("Outer while loop");
while (true) {
i++;
System.out.println("i = " + i);
if (i == 1) {
System.out.println("continue");
continue;
}
if (i == 3) {
System.out.println("continue outer");
continue outer;
}
if (i == 5) {
System.out.println("break");
break;
}
if (i == 7) {
System.out.println("break outer");
break outer;
}
}
}
}
}
标签用于for循环的例子 i = 0 continue inner i = 1 continue inner i = 2 continue i = 3 break i = 4 continue inner i = 5 continue inner i = 6 continue inner i = 7 continue outer i = 8 break outer 标签用于while循环的例子 Outer while loop i = 1 continue i = 2 i = 3 continue outer Outer while loop i = 4 i = 5 break Outer while loop i = 6 i = 7 break outer
Java 中break和continue结合标签标示符中断循环示例详解（附源码）
标签：
原文地址：http://blog.csdn.net/u013693649/article/details/51691793
