public class People{
     public String name
     public char sex
     public int age
     public String Idcard
     public People(){
     }
     public Peple(String name,int age,String Idcard){
           this.name = name
           this.age = age
           this.Idcard = Idcard
     }
     public String getIdcard (){
          return this.Idcard
     }
     public String setIdcard (String Idcard){
          this.Idcard = Idcard
     }
}
