The Extract Constant refactoring makes your source code easier to read and maintain. It also helps you avoid using hardcoded constants without any explanations about their values or purpose.
- In the editor, select an expression or declaration of a variable you want to replace with a constant .
- Press Ctrl+Alt+C to introduce a constant or select
Select a name from a list that opens or type your own name and press Enter..
- If you press Ctrl+Alt+C twice, the Extract Constant dialog opens.
- Specify additional options for the constant, for example, change its visibility, or move the constant to another class.
|Let's introduce a constant for the expression "string" that occurs twice throughout code.|| || |