Q$1(09$ Marks$)$: Read the Android Developer Guides carefully, and answer the following questions.

$($a$)$ Android framework supports Ul$-$driven development where you can write custom responses to various UI events $($e$.$g$.,$ button clicks$)$ using custom event handlers. Mention four object$-$oriented programming languages $($other than Java$)$ that support Ul$-$driven design and custom event handling. $(02$ mark$)$