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。

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

最后，将组件注册到段容器(JPanel)。

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Rather, one of its members is a JPanel that I can access via the infoPanel member.

它是其成员之一，是一个 JPanel，可以通过 infoPanel成员对其进行访问。

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