Does Eclipse have shortcut keys to delete extra blank lines?

To delete a line in eclipse, use the baicrl+D shortcut du.
If you want to delete all the blank lines in a file. Dao can use the following methods.
1. Open the source code zhuan editor
2. Use the shortcut key Ctrl+f
3. Enter in the Find input box: ^\s*\n
4. The value of the Replace With input box is empty
5. Selected in [Options] "Regular expressions"
6. Click the [Replace All] button.

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