Membuat class connection di java

package sql;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import javax.swing.JOptionPane;


public class connection {

    public Connection conn=null;
    private String Server= "localhost";
    private String Database= "nama_databse";
    private String User= "root";
    private String Password= "password";
    public Connection getConnection()throws SQLException, ClassNotFoundException{
        try {
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection("jdbc:mysql://"+Server+"/"+Database,User,Password);
            System.out.print("Sukses");
            JOptionPane.showMessageDialog(null, "Koneksi Database Berhasil");
         return conn;
        } catch (SQLException e) {
            throw new SQLException(e.toString());
        }catch (ClassNotFoundException ex){
            throw new ClassNotFoundException(ex.toString());
        }
    }


}