还有那些按钮也很难对付，但我还是搞明白了：“放入”键是个直角三角形，“停止”键是两条竖线。

It's rather hard to deal with buttons, but I managed to do it: "Insert" is a right triangle, "Stop" - two vertical lines.

youdao

然后，您可以从像 Project Explorer （或者 Package Explorer） 的视图中，按下这个三角形按钮来显示 View 菜单。

Then, from views such as the Project Explorer (or Package Explorer) you could press the triangle button to show the View menu.

youdao

为了测试该代码片段，只须按play(运行)按钮(绿色三角形)，它就会在调试模式下运行。

To test this snippet, just press the play button (green triangle), and it will run in debug mode.

youdao