public class People{
     public String name
     public char sex
     public int age
     public String Idcard
     //չ췽
     public People(){
     }
     //3Ĺ췽
     public People(String name,int age,String Idcard){
           this.name = name
           this.age = age
           this.Idcard = Idcard
     }
     public static void main(){
           People p1=new People();
           People p2=new People();
     }
}
