package com.sinosuperman;
public class TestQuestion {
static Shared shared = new Shared("michael", "guangzhou");
public static void main(String[] args) {
A a = new A();
B b = new B();
System.out.print(shared.getName() + ", ");
for (int i = 0; i < 20; ++i) {
a.run();
System.out.print(shared.getName() + ", ");
b.run();
System.out.println(shared.getName());
}
}
public static class A extends Thread {
public void run() {
synchronized (shared) {
shared.setName("corleone");
}
}
}
public static class B extends Thread {
public void run() {
synchronized (shared) {
shared.setName("chao");
}
}
}
public static class Shared {
String name;
String addr;
public Shared(String name, String addr) { this.name = name; this.addr = addr; }
public String getName() { return this.name; }
public String getAddr() { return this.addr; }
public void setName(String name) { this.name = name; }
public void setAddr(String addr) { this.addr = addr; }
}
}
本文介绍了一个使用Java实现的简单并发编程示例，该示例通过两个线程交替修改共享对象的状态来展示同步机制的重要性。共享对象包含名称和地址属性，两个线程分别尝试将名称属性设置为不同的值。通过synchronized关键字确保线程安全。
扫一扫
1595
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
