SQLConnection

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

import javax.swing.JOptionPane;

public class SQLConnection {
static Connection conn;
public static Connection ConnecrDb()
{
    try {
        Class.forName("com.mysql.jdbc.Driver");
        Connection conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/sms","root","");
     //JOptionPane.showMessageDialog(null, "Success");
     return conn;

    } catch(Exception e)
    {
        JOptionPane.showMessageDialog(null, "Failed");
        return null;
    }
}
}