如何在 Eclipse 中创建子类?

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时间:2020-09-19 17:01:48  来源:igfitidea点击:

How to create a subclass in Eclipse?

javaeclipse

提问by user133466

During lecture, my professor very quickly created a subclass in Eclipse.

在讲座中,我的教授很快在 Eclipse 中创建了一个子类。

The result has the "extend" keyword added to the subclass. I didn't see what buttons he clicked.

结果在子类中添加了“extend”关键字。我没有看到他点击了什么按钮。

Does anyone know where should I click? (I think he right clicked on the current class in the package explorer, then New==> class, then I'm lost on what to select).

有谁知道我应该点击哪里?(我认为他右键单击了包浏览器中的当前类,然后是New==> class,然后我不知道要选择什么)。

回答by Ward

When you are viewing the class you want to subclass, open Type Hierarchy (press F4). Right click on the parent-to-be class, and in the menu go to new -> class ( or Ctrl-n , class ).

当您查看要子类化的类时,打开类型层次结构(按 F4)。右键单击父类,然后在菜单中转到 new -> class (或 Ctrl-n , class )。

回答by adatapost

Right click on project name on Package Explorer+ Add NewClass + Type packageName, Name(sub-class name), and Super class(or Click on Browse to choose super class).

在项目名称上右键单击Package Explorer+ 添加New类 + 类型package名称、Name(子类名称)和Super class(或单击浏览以选择超类)。

回答by Thinhbk

You can try to bind Keys for New (New Wizard: Class) command (for eg.: Ctrl + Alt + N) by open Window> Preferences > General > Keys.

您可以尝试通过打开“窗口”>“首选项”>“常规”>“键”来尝试为新建(新向导:类)命令(例如:Ctrl + Alt + N)绑定键。

And then, on new wizard window, change the Superclass box.

然后,在新的向导窗口中,更改超类框。

Hth.

嗯。