mediregister.java

来自「java课件及例程有一些PPT及一些例程」· Java 代码 · 共 37 行

public class MediRegister implements Runnable{
    int number=1;
    private int maxnum=40;
    public void setMaxnum(int mx){
        maxnum = mx;
    }
    public int getMaxnum(){
        return maxnum;
    }
    public void run(){
    	try{
    	    synchronized(this){   
            if(number<=maxnum){
                System.out.println(Thread.currentThread().getName()+",您的挂号成功，号码是第"+number+"位！");
                Thread.sleep((int)(Math.random()*1000));
                number++;
            }
            else
                System.out.println(Thread.currentThread().getName()+",今天挂号已满！");
           }
         }catch(InterruptedException e)
         {
             System.out.println(e.getMessage());
         }
    }
    public static void main(String[] args){
        MediRegister theReg = new MediRegister();
        theReg.setMaxnum(2);
        Thread myRegister1 = new Thread(theReg,"Mary");
        Thread myRegister2 = new Thread(theReg,"Lily");
        Thread myRegister3 = new Thread(theReg,"Tom");
        myRegister1.start();
        myRegister2.start();
        myRegister3.start();
    }   
}