1 package tourist; 2 public class Tourist { 3 int age; 4 int ticketPrice; 5  6 public void setAge(int age) 7 { 8     this.age=age;  9 }10 public void ticket()11 {12     if(age>0&&age<12)13         ticketPrice=20;14     else if(age<20)15         ticketPrice=40;16     else if(age<50)17         ticketPrice=80;18     else 19     ticketPrice=35;20     System.out.println("门票价格:"+ticketPrice);21 }22 }

 

 

1 package tourist; 2 import java.util.Scanner; 3 public class Test extends Tourist{ 4     public static void main(String[] args) { 5         Scanner input=new Scanner(System.in); 6         Test t1=new Test(); 7         System.out.print("请输入年龄:"); 8         t1.setAge(input.nextInt()); 9         t1.ticket();10     }11 }