package cn.itcast.heima2;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
public class LockTest {
public static void main(String[] args) {
// TODO Auto-generated method stub
Output outputer = new LockTest.Output();
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
while (true) {
try {
Thread.sleep(10);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
outputer.output("zhangxiaoxiang");
}
}
}).start();
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
while (true) {
try {
Thread.sleep(10);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
outputer.output("lihuoming");
}
}
}).start();
}
static class Output {
Lock lock = new ReentrantLock();
public void output(String name) {
int len = name.length();
lock.lock();
try {
for (int i = 0; i < len; i++) {
System.out.print(name.charAt(i));
}
System.out.println();
} finally {
lock.unlock();//保证即使发生了异常锁也能打开
}
}
public static synchronized void output2(String name) {
int len = name.length();
for (int i = 0; i < len; i++) {
System.out.print(name.charAt(i));
}
System.out.println();
}
}
}
