Copy to, or create a Scratch File

Scratch files persist across all versions of IntelliJ IDEA

You can use ⇧⌘N (macOS) / Ctrl+Alt+Shift+Insert (Windows/Linux) to create a new scratch file. If you have content selected then the new scratch file will contain that content.

Related Resources

Generate constructors and accessor methods
Generate constructors and accessor methods
Quickly generate common code constructs such as Constructors, Getters and Setters
Expand and Collapse Code
Expand and Collapse Code
Quickly view specific parts of a class by expanding or collapsing code
Move Statement
Move Statement
Move a statement up or down