When wrapping Button children of ButtonGroup in an element, the styling that makes the buttons appear "connected" no longer applies since the buttons are no longer siblings. The selector in question: ...

When trying to create a set of buttons with a shared ButtonGroup, I cannot simply copy-paste the ButtonGroup reference from the first button to the other buttons I want affected. Doing so duplicates ...

今回は、実際にJFrameに主なコンポーネントを組み込んで使ってみましょう。 続いて、ラジオボタンです。AWTでは、ラジオボタン専用のクラスというのはなく、チェックボックス用のCheckboxクラスをCheckboxGroupに登録してグループ化すると、自動的にラジオ ...

Here’s a common scenario in Swing GUI development: You build a form to gather data about items that someone will enter into a database or save to a file. The form might contain text boxes, check boxes ...