# Commenting and uncommenting lines of code

To comment lines of code in the Java editor:

- Select the lines you wish to comment
- Do one of the following:
  - Press `Ctrl+/` or
  - Select Source > Comment from the menu bar

To uncomment lines of code in the Java editor:

- Select the lines you wish to uncomment
- Do one of the following
  - Press `Ctrl+\` or
  - Select Source > Uncomment from the menu bar

Java editor

Using the Java editor

Source menu