My first attempt at changing the background color of the JPanel failed.

我第一次尝试更改 JPanel背景颜色时遭到失败。

youdao

Finally, you register the component with the segments container (a JPanel).

最后，将组件注册到段容器(JPanel)。

youdao

As you can see, the JPanel consists of a number of text fields, labels, and two radio buttons.

正如您看到的一样，JPanel由一些文本字段、标签和两个单选按钮组成。

youdao