java线程的举例2~6

叁歲伎倆 2022-04-06 09:56 42阅读 0赞

# java线程的举例2~6 #

TestThread2.java

public class TestThread2 {
    	public static void main(String args[]) {
    		Runner2 r = new Runner2();
    		Thread t1 = new Thread(r);
    		Thread t2 = new Thread(r);
    		t1.start();
    		t2.start();
    	}
    }
    
    class Runner2 implements Runnable {
    	public void run() {
    		for(int i=0; i<30; i++) {	
    			System.out.println("No. " + i);
    		}
    	}
    }

F:\java\Thread>javac TestThread2.java
    
    F:\java\Thread>java TestThread2
    No. 0
    No. 0
    No. 1
    No. 1
    No. 2
    No. 2
    No. 3
    No. 3
    No. 4
    No. 4
    No. 5
    No. 5
    No. 6
    No. 6
    No. 7
    No. 7
    No. 8
    No. 8
    No. 9
    No. 9
    No. 10
    No. 10
    No. 11
    No. 11
    No. 12
    No. 12
    No. 13
    No. 13
    No. 14
    No. 14
    No. 15
    No. 15
    No. 16
    No. 16
    No. 17
    No. 17
    No. 18
    No. 18
    No. 19
    No. 19
    No. 20
    No. 20
    No. 21
    No. 21
    No. 22
    No. 22
    No. 23
    No. 23
    No. 24
    No. 24
    No. 25
    No. 25
    No. 26
    No. 26
    No. 27
    No. 27
    No. 28
    No. 28
    No. 29
    No. 29
    
    F:\java\Thread>

TestThread3.java

public class TestThread3{
    	public static void main(String args[]) {
    		Runner3 r = new Runner3();
    		Thread t = new Thread(r);
    		t.start();
    	}
    }
    
    class Runner3 implements Runnable {
    	public void run() {
    		for(int i=0; i<30; i++) {	
    			if(i%10==0 && i!=0) {
    				try{
    					Thread.sleep(2000); 
    				}catch(InterruptedException e){}
    			}
    			System.out.println("No. " + i);
    		}
    	}
    }

F:\java\Thread>javac TestThread3.java
    
    F:\java\Thread>java TestThread3
    No. 0
    No. 1
    No. 2
    No. 3
    No. 4
    No. 5
    No. 6
    No. 7
    No. 8
    No. 9
    No. 10
    No. 11
    No. 12
    No. 13
    No. 14
    No. 15
    No. 16
    No. 17
    No. 18
    No. 19
    No. 20
    No. 21
    No. 22
    No. 23
    No. 24
    No. 25
    No. 26
    No. 27
    No. 28
    No. 29
    
    F:\java\Thread>

TestThread4.java

public class TestThread4 {	
    	public static void main(String args[]){
    		Runner4 r = new Runner4();
           	Thread t = new Thread(r);
            t.start();
            for(int i=0;i<100000;i++){
            	if(i%10000==0 & i>0)
            		System.out.println("in thread main i=" + i);
            }
            System.out.println("Thread main is over");
    		//使用shutDown关闭，不要使用stop
            r.shutDown();
            //t.stop();
        }
    }
    
    class Runner4 implements Runnable {
      private boolean flag=true;
      
    	public void run() {
    		int i = 0;
    		while (flag==true) {
    			System.out.print(" " + i++);	
    		}
    	}
    	
      public void shutDown() {
    		flag = false;
      }
    }

F:\java\Thread>javac TestThread4.java
    
    F:\java\Thread>java TestThread4
     0in thread main i=10000
     1in thread main i=20000
     2in thread main i=30000
     3in thread main i=40000
     4in thread main i=50000
     5in thread main i=60000
     6 7in thread main i=70000
     8 9 10in thread main i=80000
     11in thread main i=90000
     12Thread main is over
     13
    F:\java\Thread>

TestThread5.java

public class TestThread5 {	
    	public static void main(String args[]){
    		Runner5 r = new Runner5();
           	Thread t = new Thread(r);
            t.start();
            
            try{
            	t.join();
            }catch(InterruptedException e){
            }
            
            for(int i=0;i<50;i++){
            	System.out.println("主线程:" + i);
            }
        }
    }
    
    class Runner5 implements Runnable {
    	public void run() {
    		for(int i=0;i<50;i++) {
    			System.out.println("SubThread: " + i);
    		}
    	}
    }

F:\java\Thread>javac TestThread5.java
    
    F:\java\Thread>java TestThread5
    SubThread: 0
    SubThread: 1
    SubThread: 2
    SubThread: 3
    SubThread: 4
    SubThread: 5
    SubThread: 6
    SubThread: 7
    SubThread: 8
    SubThread: 9
    SubThread: 10
    SubThread: 11
    SubThread: 12
    SubThread: 13
    SubThread: 14
    SubThread: 15
    SubThread: 16
    SubThread: 17
    SubThread: 18
    SubThread: 19
    SubThread: 20
    SubThread: 21
    SubThread: 22
    SubThread: 23
    SubThread: 24
    SubThread: 25
    SubThread: 26
    SubThread: 27
    SubThread: 28
    SubThread: 29
    SubThread: 30
    SubThread: 31
    SubThread: 32
    SubThread: 33
    SubThread: 34
    SubThread: 35
    SubThread: 36
    SubThread: 37
    SubThread: 38
    SubThread: 39
    SubThread: 40
    SubThread: 41
    SubThread: 42
    SubThread: 43
    SubThread: 44
    SubThread: 45
    SubThread: 46
    SubThread: 47
    SubThread: 48
    SubThread: 49
    主线程:0
    主线程:1
    主线程:2
    主线程:3
    主线程:4
    主线程:5
    主线程:6
    主线程:7
    主线程:8
    主线程:9
    主线程:10
    主线程:11
    主线程:12
    主线程:13
    主线程:14
    主线程:15
    主线程:16
    主线程:17
    主线程:18
    主线程:19
    主线程:20
    主线程:21
    主线程:22
    主线程:23
    主线程:24
    主线程:25
    主线程:26
    主线程:27
    主线程:28
    主线程:29
    主线程:30
    主线程:31
    主线程:32
    主线程:33
    主线程:34
    主线程:35
    主线程:36
    主线程:37
    主线程:38
    主线程:39
    主线程:40
    主线程:41
    主线程:42
    主线程:43
    主线程:44
    主线程:45
    主线程:46
    主线程:47
    主线程:48
    主线程:49
    
    F:\java\Thread>

TestThread6.java

public class TestThread6 {	
    	public static void main(String args[]){
    		Thread t = new Runner6();
    		t.start();
    		
    		for(int i=0; i<50; i++) {
    			System.out.println("MainThread: " + i);
    		}
      }
    }
    
    class Runner6 extends Thread {
    	public void run() {
    		System.out.println(Thread.currentThread().isAlive());
    		for(int i=0;i<50;i++) {
    			System.out.println("SubThread: " + i);
    		}
    	}
    }

F:\java\Thread>javac TestThread6.java
    
    F:\java\Thread>java TestThread6
    MainThread: 0
    MainThread: 1
    true
    MainThread: 2
    SubThread: 0
    MainThread: 3
    SubThread: 1
    MainThread: 4
    SubThread: 2
    MainThread: 5
    SubThread: 3
    MainThread: 6
    SubThread: 4
    MainThread: 7
    SubThread: 5
    MainThread: 8
    SubThread: 6
    MainThread: 9
    SubThread: 7
    MainThread: 10
    SubThread: 8
    MainThread: 11
    SubThread: 9
    MainThread: 12
    SubThread: 10
    MainThread: 13
    SubThread: 11
    MainThread: 14
    SubThread: 12
    MainThread: 15
    SubThread: 13
    MainThread: 16
    SubThread: 14
    MainThread: 17
    SubThread: 15
    MainThread: 18
    SubThread: 16
    MainThread: 19
    SubThread: 17
    MainThread: 20
    SubThread: 18
    MainThread: 21
    SubThread: 19
    MainThread: 22
    SubThread: 20
    MainThread: 23
    SubThread: 21
    MainThread: 24
    SubThread: 22
    MainThread: 25
    SubThread: 23
    MainThread: 26
    SubThread: 24
    MainThread: 27
    SubThread: 25
    MainThread: 28
    SubThread: 26
    MainThread: 29
    SubThread: 27
    MainThread: 30
    SubThread: 28
    MainThread: 31
    SubThread: 29
    MainThread: 32
    SubThread: 30
    MainThread: 33
    SubThread: 31
    MainThread: 34
    SubThread: 32
    MainThread: 35
    SubThread: 33
    MainThread: 36
    SubThread: 34
    MainThread: 37
    SubThread: 35
    MainThread: 38
    SubThread: 36
    MainThread: 39
    SubThread: 37
    MainThread: 40
    SubThread: 38
    MainThread: 41
    SubThread: 39
    MainThread: 42
    SubThread: 40
    MainThread: 43
    MainThread: 44
    SubThread: 41
    MainThread: 45
    SubThread: 42
    MainThread: 46
    SubThread: 43
    MainThread: 47
    SubThread: 44
    MainThread: 48
    SubThread: 45
    MainThread: 49
    SubThread: 46
    SubThread: 47
    SubThread: 48
    SubThread: 49
    
    F:\java\Thread>