Java 带标签的 for 循环
java programming java8java technologies object oriented programming
以下程序使用了带标签的 for 循环。
示例
public class Tester { public static void main(String args[]) { first: for (int i = 0; i < 3; i++) { for (int j = 0; j< 3; j++){ if(i == 1){ continue first; } System.out.print(" [i = " + i + ", j = " + j + "] "); } } System.out.println(); second: for (int i = 0; i < 3; i++) { for (int j = 0; j< 3; j++){ if(i == 1){ break second; } System.out.print(" [i = " + i + ", j = " + j + "] "); } } } }
first 是第一个最外层 for 循环的标签,continue first 会导致循环跳过 print 语句(如果 i = 1);
second 是第二个最外层 for 循环的标签,continue second 会导致循环中断。