![]() ).Īfter executing the above code in Netbeans IDE, I got below result stating that all the four files in the given directory have been renamed successfully: It uses second string as a search criteria and replaces it with the third string (in this case second string is _ and third string is. ![]() The above Java Class has one public method that is taking a folder name and two other strings as input. Return "Successfully renamed "+filesList.length+" files." String newName= (filesList.toString().replaceAll(ReplaceFrom, ReplaceWith)) įilesList.renameTo(new File(newName)) ![]() This method will rename all files in a folder by chaning ReplaceFrom string with ReplaceWith string Public String renameBulk (String folderName, String ReplaceFrom, String ReplaceWith) Folder contents as of now are shown below:īelow is the Java Code that I have written for renaming all the files in this folder by replacing _ with.
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