JAVA测试之多线程的连用实现多条线程实现奇偶数输出------JAVA

忘是亡心i 2024-03-22 12:46 40阅读 0赞

>     public class EvenNumber
>     {
>         public static void main(String[] args)
>         {
>             PrintNumber p = new PrintNumber();
>             //不能让已经start启动的线程再次执行start启动操作
>             p.setName("子线程1");
>             p.start();
>             p.setPriority(10);
>             PrintNumber1 p1 = new PrintNumber1("线程1");
>             p1.start();
>             p1.setPriority(1);
>             Thread.currentThread().setName("Main线程");
>             Thread.currentThread().setPriority(Thread.NORM_PRIORITY);
>             for (int i = 0; i < 100; i++)
>             {
>                 if(i % 2 == 0)
>                 {
>                     try
>                     {
>                         p.join();
>                     }
>                     catch(InterruptedException e)
>                     {
>                         e.printStackTrace();
>                     }
>                 }
>             }
>             System.out.println(p.isAlive());
>             //创建匿名子类线程对象
>             new Thread()
>             {
>                 public void run()
>                 {
>                     for (int i = 0; i < 100; i++)
>                     {
>                         if(i % 2 == 0)
>                         {
>                             System.out.println(Thread.currentThread().getName() + i);
>                         }
>                     }
>                 }
>             }.start();
>         }
>     }
>     
>     //打印偶数
>     class PrintNumber extends Thread
>     {
>         public void run()
>         {
>             try
>             {
>                 Thread.sleep(5000);
>             }
>             catch (InterruptedException e)
>             {
>                throw new RuntimeException(e);
>             }
>             for (int i = 0; i < 100; i++)
>             {
>                 if(i % 20 == 0)
>                 {
>                     Thread.yield();
>                 }
>             }
>         }
>     }
>     
>     //打印奇数
>     class PrintNumber1 extends Thread
>     {
>         public PrintNumber1() {}
>     
>         public PrintNumber1(String name)
>         {
>             super(name);
>         }
>     
>         public void run()
>         {
>             for (int i = 0; i < 100; i++)
>             {
>                 if(i % 2 != 0)
>                 {
>                     System.out.println(Thread.currentThread().getName() + i);
>                 }
>             }
>         }
>     }
> 
> public class EvenNumber  
> \{  
> public static void main(String\[\] args)  
> \{  
> PrintNumber p = new PrintNumber();  
> //不能让已经start启动的线程再次执行start启动操作  
> p.setName("子线程1");  
> p.start();  
> p.setPriority(10);  
> PrintNumber1 p1 = new PrintNumber1("线程1");  
> p1.start();  
> p1.setPriority(1);  
> Thread.currentThread().setName("Main线程");  
> Thread.currentThread().setPriority(Thread.NORM\_PRIORITY);  
> for (int i = 0; i < 100; i++)  
> \{  
> if(i % 2 == 0)  
> \{  
> try  
> \{  
> p.join();  
> \}  
> catch(InterruptedException e)  
> \{  
> e.printStackTrace();  
> \}  
> \}  
> \}  
> System.out.println(p.isAlive());  
> //创建匿名子类线程对象  
> new Thread()  
> \{  
> public void run()  
> \{  
> for (int i = 0; i < 100; i++)  
> \{  
> if(i % 2 == 0)  
> \{  
> System.out.println(Thread.currentThread().getName() + i);  
> \}  
> \}  
> \}  
> \}.start();  
> \}  
> \}
> 
> //打印偶数  
> class PrintNumber extends Thread  
> \{  
> public void run()  
> \{  
> try  
> \{  
> Thread.sleep(5000);  
> \}  
> catch (InterruptedException e)  
> \{  
> throw new RuntimeException(e);  
> \}  
> for (int i = 0; i < 100; i++)  
> \{  
> if(i % 20 == 0)  
> \{  
> Thread.yield();  
> \}  
> \}  
> \}  
> \}
> 
> //打印奇数  
> class PrintNumber1 extends Thread  
> \{  
> public PrintNumber1() \{\}
> 
> public PrintNumber1(String name)  
> \{  
> super(name);  
> \}
> 
> public void run()  
> \{  
> for (int i = 0; i < 100; i++)  
> \{  
> if(i % 2 != 0)  
> \{  
> System.out.println(Thread.currentThread().getName() + i);  
> \}  
> \}  
> \}  
> \}