How do I kill the process currently using a port on localhost in Windows?

Question

How can I remove the current process/application which is already assigned to a port?

For example: localhost:8080

Answer 1

For use in command line:

for /f "tokens=5" %a in ('netstat -aon ^| find ":8080" ^| find "LISTENING"') do taskkill /f /pid %a

For use in bat-file:

for /f "tokens=5" %%a in ('netstat -aon ^| find ":8080" ^| find "LISTENING"') do taskkill /f /pid %%a