java實現(xiàn)兩個線程交替打印的實例代碼

來源：本站原創(chuàng)|時間：2020-01-10|欄目：Java|點擊：次

使用ReentrantLock實現(xiàn)兩個線程交替打印

實現(xiàn)字母在前數(shù)字在后

package com.study.pattern;

 

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.locks.Condition;

import java.util.concurrent.locks.Lock;

import java.util.concurrent.locks.ReentrantLock;

 

public class Demo2 {

 private static Lock lock = new ReentrantLock();

 private static Condition c1 = lock.newCondition();

 private static Condition c2 = lock.newCondition();

 private static CountDownLatch count = new CountDownLatch(1);

 public static void main(String[] args) {

  String c = "ABCDEFGHI";

  char[] ca = c.toCharArray();

  String n = "123456789";

  char[] na = n.toCharArray();

  Thread t1 = new Thread(() -> {

   try {

    lock.lock();

    count.countDown();

    for(char caa : ca) {

     c1.signal();

     System.out.print(caa);

     c2.await();

    }

    c1.signal();

   } catch (InterruptedException e) {

    e.printStackTrace();

   } finally {

    lock.unlock();

   }

  });

  Thread t2 = new Thread(() -> {

   try {

    count.await();

    lock.lock();

    for(char naa : na) {

     c2.signal();

     System.out.print(naa);

     c1.await();

    }

    c2.signal();

   } catch (InterruptedException e) {

    e.printStackTrace();

   } finally {

    lock.unlock();

   }

  });

  t1.start();

  t2.start();

 }

}

最后輸出結(jié)果：

使用LinkedTransferQueue實現(xiàn)兩個線程交替打印

實現(xiàn)字母在前數(shù)字在后

package com.study.pattern;

 

 

import java.util.concurrent.LinkedTransferQueue;

 

public class Demo3 {

 private static LinkedTransferQueue<Character> linkedC = new LinkedTransferQueue<Character>();

 private static LinkedTransferQueue<Character> linkedN = new LinkedTransferQueue<Character>();

 public static void main(String[] args) {

  String c = "ABCDEFGHI";

  char[] ca = c.toCharArray();

  String n = "123456789";

  char[] na = n.toCharArray();

  Thread t1 = new Thread(() -> {

   for(char caa : ca) {

    try {

     linkedC.put(caa);

     char a = linkedN.take();

     System.out.print(a);

    } catch (InterruptedException e) {

     e.printStackTrace();

    }

   }

  });

  Thread t2 = new Thread(() -> {

   for(char naa : na) {

    try {

     char b = linkedC.take();

     System.out.print(b);

     linkedN.put(naa);

    } catch (InterruptedException e) {

     e.printStackTrace();

    }

   }

  });

  t1.start();

  t2.start();

 

 }

}

輸出結(jié)果：

使用synchronized實現(xiàn)兩個線程交替打印

實現(xiàn)字母在前數(shù)字在后

package com.study.pattern;

 

 

import java.util.concurrent.CountDownLatch;

 

public class Demo4 {

 private static CountDownLatch count = new CountDownLatch(1);

 public static void main(String[] args) {

  String c = "ABCDEFGHI";

  char[] ca = c.toCharArray();

  String n = "123456789";

  char[] na = n.toCharArray();

  Object lock = new Object();

  Thread t1 = new Thread(() -> {

   synchronized (lock) {

    count.countDown();

    for(char caa : ca) {

     System.out.print(caa);

     lock.notify();

     try {

      lock.wait();

     } catch (InterruptedException e) {

      e.printStackTrace();

     }

    }

    lock.notify();

   }

  });

  Thread t2 = new Thread(() -> {

   try {

    count.await();

   } catch (InterruptedException e) {

    e.printStackTrace();

   }

   synchronized (lock) {

    for(char naa : na) {

     System.out.print(naa);

     lock.notify();

     try {

      lock.wait();

     } catch (InterruptedException e) {

      e.printStackTrace();

     }

    }

    lock.notify();

   }

  });

  t1.start();

  t2.start();

 }

}

輸出結(jié)果：

使用LockSupport實現(xiàn)兩個線程交替打印

實現(xiàn)字母在前數(shù)字在后

package com.study.pattern;

 

 

import java.util.concurrent.locks.LockSupport;

 

public class Demo5 {

 private static Thread t1;

 private static Thread t2;

 public static void main(String[] args) {

  String c = "ABCDEFGHI";

  char[] ca = c.toCharArray();

  String n = "123456789";

  char[] na = n.toCharArray();

  t1 = new Thread(() -> {

   for(char caa : ca) {

    System.out.print(caa);

    LockSupport.unpark(t2);

    LockSupport.park();

 

   }

  });

  t2 = new Thread(() -> {

   for(char naa : na) {

    LockSupport.park();

    System.out.print(naa);

    LockSupport.unpark(t1);

   }

  });

  t1.start();

  t2.start();

 }

}

輸出結(jié)果：

以上就是java實現(xiàn)兩個線程交替打印的詳細內(nèi)容，感謝大家的學(xué)習(xí)和對我們的支持。

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java實現(xiàn)兩個線程交替打印的實例代碼

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