【作业】3月9日
第一题：
1 package com.Thread; 2 /** 3 * 模拟爬山 4 * @author 5 * 6 */ 7 public class ThreadDome extends Thread { 8 private int shij; 9 private int mishu; 10 public ThreadDome( int shij, int mishu) { 11 super(); 12 this.shij = shij; 13 this.mishu = mishu*100; 14 } 15 16 public void run() { 17 for(int i=0;i<10;i++) { 18 try { 19 Thread.sleep(this.shij); 20 } catch (InterruptedException e) { 21 e.printStackTrace(); 22 } 23 System.out.println(Thread.currentThread().getName()+"爬了"+mishu*(i+1)+"米"); 24 } 25 System.out.println(Thread.currentThread().getName()+"到达终点"); 26 } 27 }
1 package com.Thread; 2 3 public class ThreadDomeTest { 4 5 public static void main(String[] args) { 6 ThreadDome td = new ThreadDome(500,1); 7 ThreadDome td2 = new ThreadDome(1500,1); 8 Thread t1 = new Thread(td,"年轻人------"); 9 Thread t2 = new Thread(td2,"老年人>>>>>"); 10 t1.start(); 11 t2.start(); 12 } 13 14 }
输出结果图：
第二题
1 package com.Thread; 2 /** 3 * 创建线程 4 * 5 * 6 */ 7 public class RunnableDome implements Runnable{ 8 //子线程 9 public void run() { 10 for(int i = 1;i<=20;i++) { 11 try { 12 Thread.sleep(2000); 13 } catch (InterruptedException e) { 14 e.printStackTrace(); 15 } 16 System.out.println(Thread.currentThread().getName()+":"+i+"在看病"); 17 } 18 } 19 }
1 package com.Thread; 2 3 public class RunnableTest { 4 5 public static void main(String[] args) { 6 RunnableDome t = new RunnableDome(); 7 Thread t2 = new Thread(t,"VIP病人"); 8 t2.start(); 9 for(int i=1;i<=50;i++) { 10 Thread.currentThread().setName("普通病人"); 11 if(i==10) { 12 try { 13 t2.join(); 14 } catch (InterruptedException e) { 15 e.printStackTrace(); 16 } 17 } 18 try { 19 Thread.sleep(1000); 20 } catch (InterruptedException e) { 21 e.printStackTrace(); 22 } 23 System.out.println(Thread.currentThread().getName()+":"+i+"在看病"); 24 } 25 } 26 27 }
输出结果图：
第三题：
1 package com.Thread; 2 3 public class maipiao implements Runnable { 4 5 public void run() { 6 paobu(); 7 } 8 9 public synchronized void paobu() { 10 System.out.println(Thread.currentThread().getName()+":接过接力棒"); 11 for(int j=1;j<=10;j++) { 12 try { 13 Thread.sleep(500); 14 } catch (InterruptedException e) { 15 e.printStackTrace(); 16 } 17 System.out.println(Thread.currentThread().getName()+":"+"跑了"+j*10+"米"); 18 } 19 20 } 21 public static void main(String[] args) { 22 maipiao mp = new maipiao(); 23 Thread t1 = new Thread(mp,"1号"); 24 Thread t2 = new Thread(mp,"2号"); 25 Thread t3 = new Thread(mp,"3号"); 26 Thread t4 = new Thread(mp,"4号"); 27 t1.start(); 28 t2.start(); 29 t3.start(); 30 t4.start(); 31 32 } 33 }
输出结果图：
第四题：
1 package com.Thread; 2 3 public class qiaoDome implements Runnable { 4 private int piao = 20; //票数 5 private int jipiao = 0; //记录票数的 6 7 8 @Override 9 public void run() { 10 String s = Thread.currentThread().getName(); 11 while(true) { 12 synchronized (this) { 13 if(piao<=0) { 14 break; 15 } 16 piao--; 17 jipiao++; 18 System.out.println(s+"抢了第"+jipiao+"票"); 19 } 20 if(s.equals("黄牛党")) { 21 break; 22 } 23 } 24 } 25 26 27 }
1 package com.Thread; 2 3 public class qiaoTest { 4 5 public static void main(String[] args) { 6 qiaoDome qd = new qiaoDome(); 7 Thread t1 = new Thread(qd,"逃跑跑"); 8 Thread t2 = new Thread(qd,"张飘飘"); 9 Thread t3 = new Thread(qd,"黄牛党"); 10 t1.start(); 11 t2.start(); 12 t3.start(); 13 } 14 15 }
输出结果图：
