testye hashmap

import java.util.HashMap;

public class Teste {
public static void main(String[] args){
    HashMap<String, Pessoa> e = new HashMap<String, Pessoa>();
     e.put("cpf : 54654464687", new Pessoa("Levi Ribeiro Silva"));
     e.put("cpf : 56879487",new Pessoa("Joaquim valmir Silva"));
     e.put("cpf : 541984654674", new Pessoa("Meque DonaldIS Pinto"));


     System.out.println(e);
     System.out.println(e.isEmpty());
     System.out.println(e.size());
    System.out.println(e.remove("cpf : ruye656879487"));


     System.out.println(e);
}
}