Comment All the code of a file

@echo off &setlocal
Set "cc=//"
set /p "search=TextToReplace:"
set /p "replace=TextToReplaceWith:"
set  "IOfile=TextSearch.java"
(for /f "delims=" %%i in (%IOfile%) do (
    set "line=%%i"
    setlocal enabledelayedexpansion
    echo(%cc%!line!
    endlocal
))>C:\Users\Krishna\Desktop\CMD\TextSearch_commented.java