代码语言：javascript复制
public class TestSynchronized1 {
public static void main(String[] args) {
Fun1 fun = new Fun1();
Fun1 fun1 = new Fun1();
new Thread(new Runnable() {
@Override
public void run() {
String name = Thread.currentThread().getName();
fun.runSync(name);
System.out.println("thread end:" name);
}
}, "thread-1").start();
new Thread(new Runnable() {
@Override
public void run() {
String name = Thread.currentThread().getName();
fun.runThis(name);
System.out.println("thread end:" name);
}
}, "thread-2").start();
/*TestSynchronized1 sss = new TestSynchronized1();
Fun1 fun = new Fun1();
new Thread(sss.new Thread1(fun),"thread-1").start();
new Thread(sss.new Thread2(fun),"thread-2").start();*/
}
class Thread1 implements Runnable {
private Fun1 fun;
public Thread1(Fun1 fun) {
this.fun = fun;
}
@Override
public void run() {
String name = Thread.currentThread().getName();
try {
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
fun.runThis(name);
System.out.println("thread end:" name);
}
}
class Thread2 implements Runnable {
private Fun1 fun;
public Thread2(Fun1 fun) {
this.fun = fun;
}
@Override
public void run() {
String name = Thread.currentThread().getName();
try {
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
fun.runThis(name);
System.out.println("thread end:" name);
}
}
}
class Fun1 {
/*
//同实例 不阻塞。不同实例 不阻塞。不是同一个锁
fun.runSync(name);
fun.runThis(name);
//同实例 阻塞。同实例 阻塞。同一个锁
fun.runS(name);
fun1.runThis(name);
*/
//都不阻塞
public void run(String name) {
try {
for (int i = 0; i < 5; i ) {
System.out.println("thread in:" name);
Thread.sleep(200);
System.out.println("thread out:" name);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
//同实例 阻塞
//不同实例 不阻塞
public synchronized void runSync(String name) {
try {
for (int i = 0; i < 5; i ) {
System.out.println("thread in:" name);
Thread.sleep(200);
System.out.println("thread out:" name);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
//同实例 阻塞
//不同实例 阻塞
public static synchronized void runS(String name) {
try {
for (int i = 0; i < 5; i ) {
System.out.println("thread in:" name);
Thread.sleep(200);
System.out.println("thread out:" name);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
//同实例 阻塞
//不同实例 阻塞
public void runThis(String name) {
synchronized (Fun1.class) {
try {
for (int i = 0; i < 5; i ) {
System.out.println("thread in:" name);
Thread.sleep(200);
System.out.println("thread out:" name);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
