How to put the code in design in java language

Answer 1

Mohamed You're talking about making a user interface, right?
You should look for tutorials on making a GUI (Graphical User Interface) in Java.

Be aware that it isn't possible on SoloLearn's playground, though.
Only way to do it here is through web development (HTML + CSS + JavaScript).

Answer 2

I do not understand your question.

Answer 3

i talk about when i finish my code I want to apply it in design able to use by user easily