Java语言深入－－对JAVA 的多线程浅析

try {sleep((int)(Math.random()*50));}

catch(InterruptedException e){;}

System.out.println("Unlocking writeLock:"+getName());

sem.writeUnlock();

}

}

}

public class testSem{

public static void main(String argv[]){

Semaphore lock = new Semaphore();

new Process("1","read",lock);

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