版权声明: https://blog.csdn.net/Dongguabai/article/details/82258518
package dgb.test.concurrent;
import java.util.ArrayList;
/**
* @author Dongguabai
* @date 2018/8/31 16:32
*/
public class SynchronizedTest {
private static Object object = new Object();
private static void lock() {
System.out.println(Thread.currentThread().getName() + "开始------------");
synchronized (object) {
object = new ArrayList<String>();
System.out.println(Thread.currentThread().getName() + "进入synchronized------");
}
System.out.println(Thread.currentThread().getName() + "出synchronized");
}
public static void main(String[] args) {
new Thread(new JoinTest.Thread1(), "张三").start();
new Thread(new JoinTest.Thread1(), "李四").start();
}
static class Thread1 implements Runnable {
public void run() {
System.out.println(Thread.currentThread().getName() + "==============");
lock();
}
}
}