Java 如何在 IntelliJ IDEA 中显示一个类的所有父类和子类？
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How to show all parents and subclasses of a class in IntelliJ IDEA?
提问by Glide
When I'm editing a Java class in Eclipse, when my cursor is over a class variable, I can do Ctrl+Tto have a popup that shows all its parents and subclasses. What is the equivalent in IntelliJ?
当我在 Eclipse 中编辑 Java 类时，当我的光标位于类变量上时，我可以执行Ctrl+T以显示其所有父类和子类的弹出窗口。IntelliJ 中的等价物是什么？
Example:
例子：
Use|r user = new User();
The pipe is my cursor.
管道是我的光标。
采纳答案by CrazyCoder
Navigate | Type HierarchyCtrl+Hwill show similar information, however in the Panel. You can Floatand Unpinthe Panel so that it appears on the fixed display position only when you use the keyboard shortcut.
导航 | Type HierarchyCtrl+H将显示类似的信息，但在面板中。您可以浮动和取消固定面板，使其仅在您使用键盘快捷键时出现在固定显示位置。
回答by Daniel DiPaolo
Not an IntelliJ IDEA user, but this blog postseems to indicate that in version 8.1.1 and beyond Ctrl+Alt+Uwill display the "Quick Class Hierarchy".
不是IntelliJ IDEA的用户，但这个博客帖子似乎表明，在版本8.1.1及以后Ctrl+ Alt+U将显示“快速类层次结构”。
回答by dimitrisli
In terms of behavior the equivalent of Eclipse Ctrl+Tin IntelliJ IDEA is Ctrl+Alt+B
在行为方面，IntelliJ IDEA中 Eclipse Ctrl+的等价物T是Ctrl+ Alt+B
回答by thSoft
In IntelliJ IDEA 12, it's Navigate > Type Hierarchy(Ctrl+Hby default).
在 IntelliJ IDEA 12 中，它是Navigate > Type Hierarchy（默认为Ctrl+ H）。
回答by sorencito
Also try CTRL+SHIFT+Ain case of any doubt. The short cut for short cut information.
也可以尝试CTRL+ SHIFT+A中如有任何疑问。快捷方式信息的快捷方式。
回答by pohl
I don't know about prior versions, but in IntelliJ version 13 you can go into your Keymap preferences, search for "Implementations", and bind that to Ctrl+T. It will work very much like the Eclipse equivalent.
我不知道以前的版本，但在 IntelliJ 版本 13 中，您可以进入 Keymap 首选项，搜索“Implementations”，并将其绑定到Ctrl+ T。它将非常像 Eclipse 等价物一样工作。
回答by Cody A. Ray
In IntelliJ 13, it's Navigate > Implementationsor CMD+ ALT+ Bby default. Of course, this shortcut can be overridden in your Keymap preferences.
在13的IntelliJ，它的导航>实现或CMD+ ALT+B默认。当然，可以在您的键盘映射首选项中覆盖此快捷方式。
回答by mkobit
For Mac users who come here, this is the shortcut for IntelliJ 14.1.4:
对于来到这里的 Mac 用户，这是 IntelliJ 14.1.4 的快捷方式：
⌃+Hby default.
⌃+H默认。
回答by Stefan Haberl
Intellij does - in contrast to Eclipse - distinguish between type hierachiesand implementation classes. I'm still undecided whether this is a good thing or not (just switched over from Eclipse to Intellij myself)
与 Eclipse 相比，Intellij 确实区分了类型层次结构和实现类。我仍然不确定这是否是一件好事（我自己刚刚从 Eclipse 切换到 Intellij）
On a Mac Intellij 14
在 Mac Intellij 14 上
- Ctrl+ Hwill bring up the type hierarchy showing you sub- and supertypes
- Cmd+ Alt+ Bwill show you all implementing classes and subclasses of the interface/class you're interested in
- Ctrl+H将显示类型层次结构，显示子类型和超类型
- Cmd+ Alt+B将向您展示您感兴趣的接口/类的所有实现类和子类
回答by Zia
For MacUsers, the shortcut is
对于Mac用户，快捷方式是
^(control) + h
^(控制) + h
