Java作业代做 The example code is given as:

The example code is given as:

Java作业代做 The volatile decorates the variable counter. The removal of the decorator will cause all threads reading the variable's value at the

 
public class RaceCondition {   Java作业代做
    public volatile int counter = 0; 
 
    public int get(){ 
//        The thread will wait 0.1 second, +1 the counter, then read it out. 
        try{ 
            Thread.sleep(100); 
        } catch (InterruptedException e){ 
            e.printStackTrace(); 
        } 
        counter ++; 
        return counter; 
    } 
 
    public static void main(String[] args){ 
        // 10 threads trying to play with the counter value. 
        RaceCondition rc = new RaceCondition(); 
        for(int i = 0; i < 10; i++){   Java作业代做
            new Thread(new Runnable(){ 
                @Override 
                public void run(){ 
//                    rc.incrementCounter(); 
                    System.out.println("Thread " + Thread.currentThread().getName() + " gets " + rc.get()); 
                } 
            }).start(); 
        } 
    } 
}

In the sample, 10 threads will start and plus 1 to the counter variable. Then print it out. The race condition may be seemed as that the printed value repeated because the threads access it at the same time.  Java作业代做

The volatile decorates the variable counter. The removal of the decorator will cause all threads reading the variable's value at the same time, and causing a race condition. With the decorator, the writing operation will always be completed before reading, so the printed value will not repeat.

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