Java模拟实现机场过安检处理流程

package concurrent.FlightSecurity;

public class FlightSecurity {

     private int count;

     // 登机牌

     private String boardingPass = "null" ;

     // 身份证

     private String idCard = "null" ;

     public void pass(String boardingPass,String idCard){

         this .boardingPass = boardingPass;

         this .idCard = idCard;

         this .count++;

         check();

     }

     private void check() {

         // 简单测试，当登机牌和身份证首字母不相同时则表示检查不通过

         if (boardingPass.charAt( 0 )!=idCard.charAt( 0 )){

             throw new RuntimeException( "======Excepton======" +toString());

         }

     }

     public String toString(){

         return "The " +count + " paaaenges,boardingPass [" + boardingPass + "],idCard [" + idCard + "]" ;

     }

}

package concurrent.FlightSecurity;

public class FightSecurityTest {

     // 旅客线程

     static class Passengers extends Thread{

         // 机场安检类

         private final FlightSecurity fightSecurity;

         // 旅客的身份证

         private final String idCard;

         // 旅客登机牌

         private final String boardingPass;

         Passengers(FlightSecurity fightSecurity, String idCard, String boardingPass) {

             this .fightSecurity = fightSecurity;

             this .idCard = idCard;

             this .boardingPass = boardingPass;

         }

         @Override

         public void run() {

             while ( true ){

                 // 旅客不断地过安检

                 fightSecurity.pass(boardingPass,idCard);

             }

         }

     }

     public static void main(String[] args) {

         // 定义三个旅客，身份证和登机牌首字母相同

         final FlightSecurity flightSecurity= new FlightSecurity();

         new Passengers(flightSecurity, "A" , "A" ).start();

         new Passengers(flightSecurity, "B" , "B" ).start();

         new Passengers(flightSecurity, "C" , "C" ).start();

     }

}