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

public class test {
    public static void main(String[] args) {
        Connection con = null;

        try {
Class.forName("com.mysql.jdbc.Driver");
            con = DriverManager.getConnection("jdbc:mysql://localhost:3306/mysql", "username", "password");

            // Do shit
        } catch(Exception e) {
            e.printStackTrace();
        } finally {
            if(con != null) {
                try {
                    con.close();
                } catch(Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }
}