sample16_8.java

Java SE 6.0前12-16章示的示例代码,简单易学

package wyf.jc;
//资源类
class Resource
{
	synchronized void function1(Thread currThread)
	{
		System.out.println(currThread.getName()+
		"线程执行function1方法！！！");
		try
		{
			Thread.sleep(1000);
			System.out.println(currThread.getName()
			+"线程睡醒了！！！");
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
	synchronized void function2(Thread currThread)
	{
		System.out.println(currThread.getName()+
		"线程执行function2方法！！！");
	}	
}
//自定义线程类
class MyThread extends Thread
{
	//资源对象的引用
	Resource rs;
	//构造器
	public MyThread(String tName,Resource rs)
	{
		this.setName(tName);
		this.rs=rs;
	}
	public void run()
	{
		if(this.getName().equals("Thread1"))
		{//如果线程名称是Thread1访问资源的function1方法
		     rs.function1(this);			
		}
		else
		{//如果线程名称不是Thread1访问资源的function2方法
			System.out.println("Thread2启动，等待进入同步方法function2！！！");
			rs.function2(this);
		}
	}
}
//主类
public class Sample16_8
{
	public static void main(String args[])
	{
         Resource rs=new Resource();
         MyThread t1=new MyThread("Thread1",rs);
         MyThread t2=new MyThread("Thread2",rs);
         t1.start();
		 try
		 {
			Thread.sleep(10);
	 	 }
		 catch(Exception e)
		 {
			e.printStackTrace();
		 }         
         t2.start();
	}
}