第一步，创建一个应用程序，并将其命名为 NumberAddition。 继续创建我们的界面。我们需要一个 Java 容器来放置其他将被调用的 GUI 组件。 在此步骤中我们使用JFrame 组件作为所需的容器。

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

@rdbramble can you use the githup UI to reply, the email reply does not work properly, e.g there is no screenshot. having no templates in your user config would be ok, this would only indicate that ...