Check the prefs, namely “Run/Debug” -> “Launching” -> “Launch Operation”. There you can select what F11 does: Run/Debug the file open in the current editor or use the last launch config again (first option in the last block in the page).
Check the prefs, namely “Run/Debug” -> “Launching” -> “Launch Operation”. There you can select what F11 does: Run/Debug the file open in the current editor or use the last launch config again (first option in the last block in the page).