第三周第一天（【正则表达式的应用】【卖票问题】【同一个账号两人同时取钱】【生产消费问题】【join】【死锁问题】）

来源：互联网发布：cp什么意思网络用语编辑：程序博客网时间：2024/05/16 17:12

正则表达式的应用

//package com.day1_2015_7_27;//import java.util.Scanner;//public class Test1 {//  public static void main(String[] args) {//           // 定义要匹配E_mail地址的正则表达式//         Scanner scanner = new Scanner(System.in);//         String s= scanner.next();//         String regex = "^\\w+@\\w+((.com)|(.cn)|(.net))$";//          if (s.matches(regex)) {//              System.out.println(s + "是一个合法的E-mail地址格式");//          }else{//              System.out.println(s+"不是一个合法的E-mail地址格式");//          }//}//}           // 身份证号18位//package com.day1_2015_7_27;//import java.util.Scanner;//public class Test1 {//  public static void main(String[] args) {//       Scanner scanner = new Scanner(System.in);//       String s= scanner.next();//         String regex = "^[1-9]{1}\\d{16}(([0-9]{1})|(X))$";//          if (s.matches(regex)) {//              System.out.println(s + "是一个合法的身份证格式");//          }else{//              System.out.println(s+"不是一个合法的身份证格式");//          }//}//}            //验证网址//package com.day1_2015_7_27;//import java.util.Scanner;//public class Test1 {////    public static void main(String[] args) {//          Scanner scanner = new Scanner(System.in);//           String s= scanner.next();//             String regex = "^(http://|https://).+$";//              if (s.matches(regex)) {//                  System.out.println(s + "是一个合法的网址格式");//              }else{//                  System.out.println(s+"不是一个合法的网址格式");//              }//}//}                 // 定义要匹配密码的正则表达式//package com.day1_2015_7_27;//import java.util.Scanner;//public class Test1 {//  public static void main(String[] args) {//                 Scanner scanner = new Scanner(System.in);//                 String s= scanner.next();//                 String regex ="^[0-9a-zA-Z]{8,16}$" ;//                  if (s.matches(regex)) {//                      System.out.println(s+"是一个合法的密码格式");//                  }else{//                      System.out.println(s+"不是一个合法的密码格式");//                  }//  }//}//           // 定义要匹配手机号的正则表达式//package com.day1_2015_7_27;//import java.util.Scanner;//public class Test1 {//  public static void main(String[] args) {//         Scanner scanner = new Scanner(System.in);//         String s= scanner.next();//         String regex = "^((13)|(15)|(18)|(17))\\d{9}$";//          if (s.matches(regex)) {//              System.out.println(s + "是一个合法的手机号");//          }else{//              System.out.println(s +"这不是一个合法的手机号");//          }//  }//}

卖票问题

//***************************卖票***********************///package com.day1_2015_7_27;//public class SellTick extends Thread {//  public void run(){//      for (int i = 1; i <1001; i++) {//          try {//              Thread.sleep(1000);//          } catch (InterruptedException e) {//              e.printStackTrace();//          }//          System.out.println(Thread.currentThread().toString()+i);//      }//  }//}//*****************************************************///package com.day1_2015_7_27;//public class Test2 {//  public static void main(String[] args) {//          SellTick s1 = new SellTick();//          SellTick s2 = new SellTick();//          s1.start();//          s2.start();// }//}/*******************卖票*********************************/package com.day1_2015_7_27;public class SellTick implements Runnable {    int i=100;    public void run() {            while(i>0){                try {                    Thread.sleep(10);                } catch (InterruptedException e) {                    e.printStackTrace();                }                sell();                i--;               }                }private synchronized void sell(){    //同步方法 他的锁是SellTick的对象    if(i>0){        System.out.println(Thread.currentThread()+"买的票号码"+i);       }}}/**************************************************/package com.day1_2015_7_27;public class Test2 {    public static void main(String[] args) {        SellTick t1 = new SellTick();        Thread thread1 = new Thread(t1);        Thread thread2 = new Thread(t1);        Thread thread3 = new Thread(t1);        Thread thread4 = new Thread(t1);        thread1.start();        thread2.start();        thread3.start();        thread4.start();    }}

同一个账号两人同时取钱

/**********************同一个账号两人同时取钱*******************************///package com.day1_2015_7_27;//public class SellTick implements Runnable {//      public int s=1000;//      String m="abc";//      public void run() {//              for (int i = 1; i <8; i++) {//                  synchronized(m){//                  try {//                      Thread.sleep(10);//                  } catch (InterruptedException e) {//                      e.printStackTrace();//              }//              if(s>=100){//                  s-=100;//                  System.out.println(Thread.currentThread().toString()+"取出100");//              }else{//                  System.out.println(Thread.currentThread().toString()+"余额不足");//              }//                  }//              }//  }//}//*********************************************************************/package com.day1_2015_7_27;public class Test2 {    public static void main(String[] args) {        SellTick t1 = new SellTick();        Thread thread1 = new Thread(t1);        Thread thread2 = new Thread(t1);        thread1.start();        thread2.start(); }}

死锁问题

/********************死锁问题**************/package com.day1_2015_7_27;public class Sisuo implements Runnable{private String s1;private String s2;public Sisuo(String o1,String o2){    this.s1=o1;    this.s2=o2;    }public void run(){    String name = Thread.currentThread().getName();    System.out.println(name+"刚进run锁"+s1);    synchronized(s1){        System.out.println(name+"现在持有的锁"+s1);        work();        System.out.println(name+"等待的锁"+s2);        synchronized (s2) {            System.out.println(name+"内部持有的锁"+s2);            work();        }        System.out.println(name+"released lock on"+s2);    }    System.out.println(name+"released lock on"+s1);    System.out.println(name+"finished execution.");}private void work(){    try {        Thread.sleep(2000);    } catch (InterruptedException e) {        // TODO Auto-generated catch block        e.printStackTrace();    }}}///**************死锁问题*******************************************///package com.day1_2015_7_27;//public class Test4 {//  public static void main(String[] args) {//      Thread thread1 = new Thread(new Sisuo("aa","bb"));//      Thread thread2 = new Thread(new Sisuo("bb","cc"));//      Thread thread3 = new Thread(new Sisuo("cc","aa"));//      thread1.start();//      thread2.start();//      thread3.start();//  }//}

package com.day1_2015_7_27;public  class NotifyRunnable implements Runnable{   private String s="abc";   public void run(){        System.out.println("唤醒前");        try {            Thread.sleep(2000);        } catch (InterruptedException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        synchronized(s){            try {                Thread.sleep(10000);            } catch (InterruptedException e1) {                // TODO Auto-generated catch block                e1.printStackTrace();            }            s.notify();        }        System.out.println("唤醒后");        }    }//**************************************************************//package com.day1_2015_7_27;public class Test5 implements Runnable{    private String s="abc";    public void run(){         try {                Thread.sleep(1000);            } catch (InterruptedException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            synchronized(s){                try {                    System.out.println("开始线程");                    s.wait();                    System.out.println("线程等待结束");                } catch (InterruptedException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }     }}//************************************************************************/package com.day1_2015_7_27;public class Test6 {public static void main(String[] args) {    NotifyRunnable t1= new NotifyRunnable();    Test5 t2 = new Test5();    Thread r1= new Thread(t1);    Thread r2= new Thread(t2);    r1.start();    r2.start();}}

join

/************join**********************/package com.day1_2015_7_27;public class Test4 {    public static void main(String[] args) {        SellTick t1 = new SellTick();        Thread thread1 = new Thread(t1);        thread1.start();        try {            thread1.join();        } catch (InterruptedException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        System.out.println("程序运行完成了");    }}

生产消费问题

//*******************生产消费问题************************//package com.day1_2015_7_27;public class ConsumerThread implements Runnable{    private Product product;    public  ConsumerThread(Product product){        this.product=product;    }    public void run(){        while(true){        try {                Thread.sleep(1000);            } catch (InterruptedException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }       product.sumer();}}}//*******************生产消费问题************************//package com.day1_2015_7_27;public class CreatThread implements Runnable{    private Product product;    public  CreatThread(Product product){        this.product=product;    }public void run(){    while(true){    try {                Thread.sleep(2000);            } catch (InterruptedException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }    product.creat();}}}//*******************生产消费问题************************//package com.day1_2015_7_27;public class Product {private boolean isHave = false;public synchronized void creat(){    if(isHave){        try {            wait();        } catch (InterruptedException e) {            e.printStackTrace();        }    }    System.out.println("开始生产");    System.out.println("生产完成");    isHave= true;    notify();    }public synchronized void sumer(){    System.out.println("消费前");    if(!isHave){    try {        System.out.println("等待生产");        wait();    } catch (InterruptedException e) {        e.printStackTrace();    }    }    System.out.println("消费完成");    isHave=false;    notify();}}package com.day1_2015_7_27;public class Test7 {    public static void main(String[] args) {        Product product = new Product();        ConsumerThread consumerRun = new ConsumerThread(product);        CreatThread creatRun = new CreatThread(product);        Thread t1= new Thread(consumerRun);        Thread t2= new Thread(creatRun);        t2.start();        t1.start();    }}

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