View difference between Paste ID: ShdyNuRH and T6dtZaqB

 package Modelo;
 
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.SQLException;
 
 public class Database {
     private String db = "";
     private String user = "";
     private String password = "";
     private String url = "";
     private Connection conn = null;
 
     public void conectar(){
         try{
             Class.forName("com.mysql.jdbc.Driver");
             conn = DriverManager.getConnection(this.url, this.user , this.password);
             System.out.println("Conexion MySQL realizada con exito.");
         }catch(SQLException e){
             System.out.println("Conexion NO realizada con exito por error de SQL.");
             e.printStackTrace();
         }catch(ClassNotFoundException e){
             System.out.println("Conexion NO realizada con exito por error de Class.");
             e.printStackTrace();
         }
     }
 
     //Aplicamos el funcionamiento de Singleton para evitar crear un segundo objeto de Conexión mediante la reutilización del ya existente
     public Connection getConexion() {
         try{
             if(this.conn.isClosed()){
                 Class.forName("com.mysql.jdbc.Driver");
                 this.conn = DriverManager.getConnection(this.url, this.user , this.password);
             }
         }catch(SQLException | ClassNotFoundException e){
             e.printStackTrace();
         }
         return this.conn;
     }
 
     public void setDatabase(String db){
         this.db = db;
     }
 
     public void setUser(String user){
         this.user = user;
     }
 
     public void setPassword(String password){
         this.password = password;
     }
 
     public void setURL(String ip, String puerto){
         this.url = "jdbc:mysql://" + ip + ":" + puerto + "/" + db;
     }
 }