Java中的break和continue关键字使用总结

/** 
* Created by IntelliJ IDEA. 
* User: leizhimin 
* Date: 2007-11-29 
* Time: 15:47:20 
*/ 
public class Test { 
    public static void main(String args[]) { 
        Test test = new Test (); 
        test.testBreak1(); 

        test.testContinue1(); 

        test.testBreak2(); 
        test.testContinue2(); 
    } 

    /** 
     * 测试continue 
     * continue用来结束本次循环 
     */ 
    public void testContinue1() { 
        System.out.println("--------测试continue-------"); 
        for (int i = 1; i <= 5; i++) { 
            if (i == 3) continue; 
            System.out.println("i=" + i); 
        } 
    } 

    /** 
     * break用来结束整个循环体 
     */ 
    public void testBreak1() { 
        System.out.println("--------测试break1-------"); 
        for (int i = 1; i <= 5; i++) { 
            if (i == 3) break; 
            System.out.println("i=" + i); 
        } 
    } 

    /** 
     * 测试带标签的break语句 
     * 标签只能写在循环体之前，顺便学习一下java中语句标签的定义和使用 
     */ 
    public void testBreak2() { 
        System.out.println("--------测试break2-------"); 
        int i = 1; 
        int k = 4; 
        lable1: 
        for (; i <= 5; i++, k--) { 
            if (k == 0) break lable1; 
            System.out.println("i=" + i + " ; k=" + k); 
        } 
    } 

    public void testContinue2() { 
        System.out.println("--------测试continue2-------"); 
        lable1: 
        for (int i = 1; i < 10; i++) { 
            lable2: 
            System.out.println("i=" + i); 
            for (int j = 0; j < 10; j++) { 
                if (j == 9) continue lable1; 
            } 
        } 
    } 
}