Simple Java Login

package simplelogin;
 
import java.sql.Connection;
import java.sql.DriverManager;
import javax.swing.JOptionPane;
import java.sql.*;
 
public class databaseConnection {
     
   
    final static String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    final static String DB_URL = "jdbc:mysql://localhost:3306/login";
    
    final static String USER = "";
    final static String PASS ="";
     
    public static Connection connection(){
         
        try {
            Class.forName(JDBC_DRIVER);
             
            Connection conn = DriverManager.getConnection(DB_URL, USER, PASS);
            return conn;
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, e);
        }
            return null;
    }
}