JDBC Connector Issues
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class Main {
    public static void main(String args[]) {
        // Database credentials
        Connection conn = null;
        String url = "jdbc:mysql://localhost/";
        String db = "db";
        String driver = "com.mysql.jdbc.Driver";
        // Connect to database
        try {
            Class.forName(driver);
            System.out.println("HELLO");
            conn = DriverManager.getConnection(url+db,"root","");
            System.out.println("Success");
            } catch(Exception e) {
            return;
        }
    }

}

>java -cp .:./lib/driver.jar Main

public class DBDiary {

    Connection conn;


    public DBDiary(){

        this.getConn();

    }

    public Connection getConn(){

        try {
            conn = getConnection();

        } catch (SQLException e) {

            System.out.println("Connection Couldnt be Obtained");
        }
           return conn;
    }


    public static Connection getConnection() throws SQLException {

        String drivers = "com.mysql.jdbc.Driver";
        String url = "jdbc:mysql://localhost:3306/test";
        String username = "root";
        String password = "root";

        System.setProperty(drivers,"");

        return DriverManager.getConnection(url,username,password);

    }

   }