java.3.txt

《Java就业培训教程》 作者：张孝祥 书中原代码 《Java就业培训教程》P34的Java原代码

《Java就业培训教程》P177的Java原代码
程序清单：ThreadDemo1.java
public class ThreadDemo1
{
	public static void main(String args[])
	{
		new TestThread().run();
		while(true)
		{
			System.out.println("main thread is running");
		}
	}
}
 class TestThread    	
{
	public void run()
	{
		while(true)
		{
			System.out.println(Thread.currentThread().getName() + 
			"　is running");
		}
	}
} 


《Java就业培训教程》P180的Java原代码
程序清单：ThreadDemo3.java
public class ThreadDemo3
{
	public static void main(String args[])
	{
		//new TestThread ().start();
		TestThread tt= new TestThread();//创建TestThread类的一个实例
		Thread t= new Thread(tt);//创建一个Thread类的实例
		t.start();//使线程进入Runnable状态
		while(true)
		{
			System.out.println("main thread is running");
		}
	}
}
class TestThread implements Runnable //extends Thread
{
	public void run()//线程的代码段，当执行start()时，线程从此出开始执行
	{
		while(true)
		{
			System.out.println(Thread.currentThread().getName() +
			" is running");
		}
	}
}

《Java就业培训教程》P181的Java原代码
程序清单：ThreadDemo4.java
public class ThreadDemo4
{
	public static void main(String [] args)
	{
		ThreadTest t=new ThreadTest();
		t.start();
		t.start();
		t.start();
		t.start();
	}
}
class ThreadTest extends Thread  
{
	private int tickets=100;
	public void run()
	{
		while(true)
		{
			if(tickets>0)
			System.out.println(Thread.currentThread().getName() +
				" is saling ticket " + tickets--);
		}
	}
}


《Java就业培训教程》P186的Java原代码
程序清单：JoinThread.java
public class JoinThread
{
	public static void main(String[] args)
	{
		ThreadTest t=new ThreadTest();
		Thread pp=new Thread(t);
		pp.start();
		int i=0;
		while(true)
		{
			if(i==100)
			{			
				try
				{
					pp.join();
				}
				catch(Exception e)
				{
					System.out.println(e.getMessage());
			    }
			}
			System.out.println("main Thread "+i++);
		}
	}
}
class ThreadTest implements Runnable
{
	public void run()
	{
		String str=new String();
		int i=0;
		while(true)
		{
			System.out.println(Thread.currentThread().getName()+" "+i++);
		}
	}
}


《Java就业培训教程》P195的Java原代码
程序清单：ThreadDemo6.java
public class ThreadDemo6
{
	public static void main(String [] args)
	{
		ThreadTest t=new ThreadTest();
		new Thread(t).start();//这个线程调用同步代码块
		t.str=new String("method"); 
		new Thread(t).start();//这个线程调用同步函数
	}
}
class ThreadTest implements Runnable
{
	private int tickets=100;
	String str = new String ("");
	public void run()
	{
		if(str.equals("method"))
		{
			while(true)
			{
 	sale();
		}
	}
	else
	{
		while(true)
		{
synchronized(str)
			{
    		if(tickets>0)
{
try
{
    	Thread.sleep(10);
}
catch(Exception e)
{
    	System.out.println(e.getMessage());
}
System.out.println(Thread.currentThread().getName()+
" is saling ticket " + tickets--);
}
}			
		}
	}
	}
	public synchronized void sale()
	{
    	if(tickets>0)
{
try
{
    Thread.sleep(10);
}
catch(Exception e)
{
    System.out.println(e.getMessage());
}
System.out.println(Thread.currentThread().getName()+
" is saling ticket " + tickets--);
}
	}
}

《Java就业培训教程》P200的Java原代码
程序清单：Deadlock.java
class A
{
	synchronized void foo(B b)
	{
			String name=Thread.currentThread().getName();
			System.out.println(name+ " entered A.foo ");
			try
			{
				Thread.sleep(1000);
			}	
			catch(Exception e)
			{
				System.out.println(e.getMessage());
			}
			System.out.println(name+ " trying to call B.last()");
			b.last();
	}
	synchronized void last()
	{
			System.out.println("inside A.last");
	}
}
class B
{
	synchronized void bar(A a)
	{
			String name=Thread.currentThread().getName();
			System.out.println(name + " entered B.bar");
			try
			{
				Thread.sleep(1000);
			}
			catch(Exception e)
			{
				System.out.println(e.getMessage());
			}
			System.out.println(name + " trying to call A.last()");
			a.last();
	}
	synchronized void last()
	{
			System.out.println("inside A.last");
	}
}
class Deadlock implements Runnable
{
	A a=new A();
	B b=new B();
	Deadlock()
	{
			Thread.currentThread().setName("MainThread");
			new Thread(this).start();
			a.foo(b);   //get lock on a in this thread.
			System.out.println("back in main thread");
	}
	public void run()
	{
			Thread.currentThread().setName("RacingThread");
			b.bar(a);  //get lock on a in other thread.
			System.out.println("back in other thread");
	}
	public static void main(String[] args)
	{
			new Deadlock();
	}
}
《Java就业培训教程》P204的Java原代码
程序清单：ThreadCommunation.java
class Producer implements Runnable
{
	Q q=null;
	public Producer(Q q)
{
	this.q=q;
}
	public void run()
{
	int i=0;
	while(true)
{
	if(i==0)
	{
q.name="张孝祥";
		q.sex="男";
	}
	else
	{
q.name="陈琼";
		q.sex="女";
	}
	i=(i+1)%2;
}
}
}
class Q
{
	String name="陈琼";
	String sex="女";
}
class Consumer implements Runnable
{
	Q q=null;
	public Consumer(Q q)
	{
		this.q=q;
	}
	public void run()
{
	while(true)
{
	System.out.println(q.name + "---->" + q.sex);
}
}
} 
public class ThreadCommunation
{
	public static void main(String [] args)
	{
		Q q=new Q();
		new Thread(new Producer(q)).start();
		new Thread(new Consumer(q)).start();
	}
}