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 an expression you want to extract as constant and press Enter. Select the number of occurrences you want to replace and a name you want to use..
|Let's introduce a constant for the expression "1+2+3 =" that occurs twice throughout code.|| || |