原创 最新推荐文章于 2026-04-19 16:15:34 发布 · 3.5k 阅读 Exception in thread "main" java.awt.AWTError: BoxLayout can't be shared at javax.swing.BoxLayout.checkContainer(Unknown Source) at ...

I have a bit of a component layout problem. See the below image: As you can see, the JTree is way too much extra space on the left and right of it. What I want is somthing like this: Except that the ...