Problem with map

Question

Problem with map

Navigation

#1 by (1 votes)

0

I have a problem, I want to make a user login program with the Map interfaces, but in my class "password" does not let me use the put method to start the programimport java.util. *;

public class Main{


  public static void main(String[] args)
    {




    System.out.println("     COMISION LALO S.A DE C.V");

    System.out.println("opcion 1: crear usuario. \nopcion 2: cargar usuario");






    }}

 class Contraseña {
    Map <String,String>a=new HashMap <String,String>();


    private void estableceUsuarioContraseña( String usuario,String contraseña){


    }


 }'

java hashmap

asked by Eduardo Farias 21.05.2017 в 06:36

source

1 answer

How can I fill several JTexField with the contents of an ArrayList? Fill modal with data through ajax and web services

score 1 · Accepted Answer

Try the following Code Snippet:

//Declaramos e instanciamos un Map con clave String y value String
Map<String,String> mapa = new HashMap<>();


private void estableceUsuarioContraseña( String usuario,String contraseña)
{
    mapa.put(usuario, contraseña);
}

I hope it serves you Greetings.