线程学习二，ReentrantLock.Lock实现线程互斥

/*
ReentrantLock.Lock实现线程互斥
*/

package threadTest;

import java.util.concurrent.locks.ReentrantLock;

/**
*ReentrantLock 的效率比
*/
public class LockThread {

ReentrantLock lock1 = new ReentrantLock();
//    ReentrantLock lock2 = new ReentrantLock();
class LockInitFirst implements Runnable{

public void run() {
lock1.lock();
try {
System.out.println("lock1");
Thread.sleep(3000);
} catch (Exception e) {
e.printStackTrace();
}finally{
lock1.unlock();
}
}

}
class LockInitSecond implements Runnable{

public void run() {
lock1.lock();
try {
System.out.println("lock2");
Thread.sleep(2000);
} catch (Exception e) {
e.printStackTrace();
}finally {
lock1.unlock();
}
}
}
private LockInitFirst getLockInitFirst(){
LockInitFirst lif = new LockInitFirst();
return lif;
}
private LockInitSecond getLockInitSecond(){
LockInitSecond lis = new LockInitSecond();
return lis;
}
public static void main(String[] args) {
LockThread lt = new LockThread();
//   LockInitFirst lifirst = lt.new LockInitFirst();可以用这种方式new出一个内部类
Thread th1 = new Thread(lt.getLockInitFirst());
Thread th2 = new Thread(lt.getLockInitSecond());
th1.start();
th2.start();
}
}