package user;
import java.util.*;public class User {
    private String kouling;
    private String u;
    private static int num;
    Scanner sc=new Scanner(System.in);
    User(){
      System.out.println("请输入用户名：");
      u=sc.next();
      System.out.println("请输入用户密码口令：");
      kouling=sc.next();
        num++;
    }
    User(String yong){
      u=yong;
      num++;
    }
    public void setU() {
      System.out.println("设置用户名：");
      u=sc.next();

    }
    public void setKouling() {
      System.out.println("设置口令：");
      kouling = sc.next();

    }
    public String getU()
    {
      return u;
    }
    public String getKouling() {
      return kouling;
    }
     public static  int getNum() {
       return num;
     }
  public static void main(String[] args) {
    // TODO 自动生成的方法存根
    User u1=new User("用户1");
    u1.setKouling();

    User u2=new User();

    System.out.println(u1.getU()+'\t'+u1.getKouling()
    +'\n'+u2.getU()+'\t'+u2.getKouling());
    System.out.println("总用户数："+u1.getNum());
  }

}