Test_3.java

package com.company;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class Test_3 {
    //diğer adı DbHelper olarak anılır.
    private static String userName="root";
    private static String password="Ab123456";
    private static String dbUrl="jdbc:mysql://localhost:3306/world";

    public Connection getConnection() throws SQLException {
        return DriverManager.getConnection(dbUrl,userName,password);

    }
    public void showErrorMessage(SQLException exception)
    {
        System.out.println("Error:"+exception.getMessage());//hatayı döndürür ekrana.ç
        System.out.println("Error Code: "+exception.getErrorCode());

    }

}