ReentrantLock实例

package concurrent.lock;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class PrintMsg{
	private Lock lock=new ReentrantLock();
	public void print(String name){
		while(true){
			lock.lock();
			try{
				for(int i=0;i<name.length();i++){
					System.out.print(name.charAt(i));
				}
				System.out.println();
			}finally{
				lock.unlock();
			}
		}
		
	}
}

package concurrent.lock;

public class ReenTrantLockTest {
	public static void main(String[] args) {
		final PrintMsg pm=new PrintMsg();
		new Thread(new Runnable() {
			@Override
			public void run() {
				pm.print("天马流星拳");
			}
		}).start();
		
		new Thread(new Runnable() {
			@Override
			public void run() {
				pm.print("钻石星辰拳");
			}
		}).start();
	}
}