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I've recently upgraded to Intellij IDEA 2017.2 and access modifier icons disappeared from my file tree... How to get them back?
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By default, IntelliJ IDEA shows all classes, methods, and other elements of the current file. To toggle the elements you want to show, click the corresponding buttons on the Structure tool window toolbar. to show class fields. to have protected class members shown in the tree.
The protected access modifier is accessible within package and outside the package but through inheritance only. The protected access modifier can be applied on the data member, method and constructor. It can't be applied on the class.
Default: When no access modifier is specified for a class, method, or data member – It is said to be having the default access modifier by default. The data members, class or methods which are not declared using any access modifiers i.e. having default access modifier are accessible only within the same package.
Default access modifier of class is Internal. And private for class member. The internal access specifier hides its member variables and methods from other classes and objects, that is resides in other namespace. The variable or classes that are declared with internal can be access by any member within application.
IntelliJ IDEA lets you use refactorings that extract fields, methods, and parameters into a new class. These refactorings are useful when a class has grown too large and "does too many things". In such cases, it may be a good idea to split the class into smaller, more cohesive classes. Select a code fragment that you want to extract into a class.
Ctrl+N– finds a class by name. Ctrl+Shift+N– finds a file or directory by name. References IntelliJ IDEA – Search everywhere mkyong
In Java, methods and data members can be encapsulated by the following four access modifiers. The access modifiers are listed according to their restrictiveness order. But, the classes and interfaces themselves can have only two access modifiers when declared outside any other class.
In IntelliJ IDEA, we can press on the keyboard SHIFTkey twiceto open a search everywherewindows to quickly find a class or a file. Other shortcuts, seldom use, prefer double clicks on SHIFTkey to open the search windows.
Since 2019.2 version you can enable it in the Project view options, toggle the Show Visibility Icons:
For older versions:
This option was disabled intentionally, see this comment for the explanation:
This information was intentionally removed, as we believe that it brings more clutter than actual value.
To enable it back add -Dide.projectView.show.visibility=true in Help | Edit Custom VM Options.
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