0309作业

第一题：

package com.pashan;

public class Pashan extends Thread{
    private int time =0;
    private int num = 0;
    
    public Pashan(int time,String name,int num) {
        super(name);
        this.time =time;
        this.num = num*1000/100;
    }
    
    public void run() {
        String name = Thread.currentThread().getName();
        while(num>0) {
            try {
                Thread.sleep(this.time);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(name+"爬完100米");
            num--;
        }
        System.out.println(name+"爬到山顶");
    }

}

package com.pashan;

public class PashanDemo {
    public static void main(String[] args) {
        Pashan xz = new Pashan(500,"欣仔",1);
        Pashan xd = new Pashan(500,"小邓",1);
        Pashan db = new Pashan(500,"刀疤",1);
        Pashan jj = new Pashan(500,"静静",1);
        xz.start();
        xd.start();
        db.start();
        jj.start();
    }
}

显示结果：

第二题：

package com.kanbing;

public  class VipRunnable implements Runnable{
    
    @Override
    public void run() {
        for(int i =1;i<=20;i++) {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName()+":"+i+"在看病");
        }
    }
    
}

package com.kanbing;

public class CommonDemo {
    public static void main(String[] args) {
        VipRunnable b = new VipRunnable();
        Thread b2 = new Thread(b,"VIP普通病人");
        b2.start();
        for(int i =1;i<=50;i++) {
            Thread.currentThread().setName("普通病人");
            if(i==10) {
                try {
                    b2.join();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName()+":"+i+"在看病");
        }
    }
}

输出结果：

第三题：

package com.run;

public  class RelayRace implements Runnable{

    @Override
    public void run() {
        running();
    }
    public synchronized void running() {
        System.out.println(Thread.currentThread().getName()+":接过接力棒");
        for(int i =1;i<=10;i++) {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName()+":"+"跑了"+(i*10)+"米");
        }
    }
    
}

package com.run;

public class RelayRaceDemo {
    public static void main(String[] args) {
        RelayRace rr = new RelayRace();
        Thread r1 =new Thread(rr,"1号");
        Thread r2 =new Thread(rr,"2号");
        Thread r3 =new Thread(rr,"3号");
        Thread r4 =new Thread(rr,"4号");
        r1.start();
        r2.start();
        r3.start();
        r4.start();
    }
}

输出结果为：

第四题：

package com.piao;

public class Piao implements Runnable{
    private int num;
    private int count = 20;
    @Override
    public void run() {
        while(true) {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            synchronized (this) {
                if(count<=0) {
                    break;
                }
                num++;
                count--;
                System.out.println(Thread.currentThread().getName()+"抢到了第"+num+"张票，还剩"+count+"张票");
                if(Thread.currentThread().getName().equals("黄牛党")) {
                    return;
                }
            }
        }
            
    }
}

package com.piao;

public  class PiaoDemo {
    public static void main(String[] args) {
        Piao p = new Piao();
        Thread p1 = new Thread(p,"逃跑跑");
        Thread p2 = new Thread(p,"张票票");
        Thread p3 = new Thread(p,"黄牛党");
        p1.start();
        p2.start();
        p3.start();
        
    }
    
}

输出结果为：

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