Java中的break和continue关键字的使用方法总结

/** 
* 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; 
      } 
    } 
  } 
}

--------测试break1------- 
i=1 
i=2 
--------测试continue------- 
i=1 
i=2 
i=4 
i=5 
--------测试break2------- 
i=1 ; k=4 
i=2 ; k=3 
i=3 ; k=2 
i=4 ; k=1 
--------测试continue2------- 
i=1 
i=2 
i=3 
i=4 
i=5 
i=6 
i=7 
i=8 
i=9 

Process finished with exit code 0