Intelij idea efficient skills (III)

why

When learning the source code of the mainstream framework , It is often necessary to shuttle back and forth between the calls of classes or methods of various source codes , This requires a very easy to use IDE Tools to assist . InteliJ-IDEA The tool provides powerful source code tracking and inheritance chain display functions . Here is a record of what I used in my study idea To the diagram function .

View inheritance relationships

In the tab of the class you want to view , Click on the right , choice Diagrams, Among them is show Diagrams and show Diagrams Popup, Only the former is newly created in the tab , The latter is displayed in the form of floating windows ; You can also see that shortcut key operations are provided . (Ctrl+Alt+Shit+U, Ctrl+Alt+U)

You can also navigate the directory tree on the left , Right click the class you want to view , Same choice Diagrams, The effect is the same .

Then you get the inheritance graph as shown in the figure below .

The meaning of the arrow in the above figure ：

• Blue Solid arrow Inheritance relationship
• Green dashed arrow Interface implementation relationship

Optimize the inheritance chain

Remove unnecessary classes

The resulting inheritance diagram , Some are not what I want to know , Like the one above IClientConfigAware, I just want to pay attention to IRule Those inheritance relationships , What do I do ？
Simple , Delete . Click to select the class you want to delete , Then use the delete Key will do . The cleaned relationship graph is as follows ：

Show class details

How to check the inherited methods ? Right click on the page , choice show categories, Expand the properties in the class as needed 、 Method 、 Construction method, etc . Of course , The second method can also directly use the toolbar above .

Expand the relationship graph of methods and attributes :

If you want to continue fine-grained filtering methods and properties in your classes , For example, I want to see it protected Attribute or method of permission and above scope . The right choice Change Visibility Level Or use the toolbar , Adjust as needed .

In the dependency graph with complex inheritance relationship , The overall diagram overview may be small , Hold down Alt key , A magnifying glass appears .

Add other classes to the diagram

When we also need to check whether there is inheritance relationship between other classes and the current class , We can choose to add it to the current inheritance graph . Right click on the page and select Add Class to Diagram Or shortcut key ( Space bar Space), Then enter the class you want to join .

View specific code

If you want to check the specific source code of a class , Select a class and right-click , choice Jump to Source Or press the shortcut key F4.

After entering a class , If you want to see other methods of this class quickly , There are two ways .
Method 1 : utilize IDEA Provided structure function . ( Left sidebar or Alt+1) Adjust out .

Method 2 : Ctrl+F12, Select the method or property you want to view . You can also enter filters .

Personal blog

Welcome to my personal blog : https://www.crystalblog.xyz/

Alternate address : https://wang-qz.gitee.io/crystal-blog/