JButton鼠标悬停在运动侦听器小信息框上（工具提示）

Question

I need to add a box like this to my JButton when the mouseMotionListener is active:

However, I don't know what the name of this box is in Java Swing.

Does anyone know what the declaration name is for this?

Answer 1

您应该指的是工具提示 。

Answer 2

Assume that your JButton name is 'button' so button.setToolTipText("Your text here"); will do the trick.