MysqlConnect.java

import com.mysql.jdbc.Connection;
import java.sql.*;
import java.sql.DriverManager;
/**
 * @desc A singleton database access class for MySQL
 * @author Ramindu
 */
public final class MysqlConnect {
    public Connection conn;
    private Statement statement;
    public static MysqlConnect db;
    private MysqlConnect() {
        String url= "jdbc:mysql://localhost:3306/";
        String dbName = "database_name";
        String driver = "com.mysql.jdbc.Driver";
        String userName = "username";
        String password = "password";
        try {
            Class.forName(driver).newInstance();
            this.conn = (Connection)DriverManager.getConnection(url+dbName,userName,password);
        }
        catch (Exception sqle) {
            sqle.printStackTrace();
        }
    }
    /**
     *
     * @return MysqlConnect Database connection object
     */
    public static synchronized MysqlConnect getDbCon() {
        if ( db == null ) {
            db = new MysqlConnect();
        }
        return db;
 
    }

}