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。

In the second part of our beginner's guide to Modern Java, we find out more about objects by exploring the Swing framework with a simple hands-on example. In Getting started with Java we covered the ...

NetBeans 8.1 is now generally available, the open source IDE's community announced. This upgrade of the popular open source Java IDE supports developers working with Java SE 8, Java SE Embedded 8, and ...