[Solved] Remove text? RandomAccessFile

I'm trying to remove all text in a RandomAccessFile because if i do:
new RandomAccessFile(file, "rw").writeUTF("Test String");
it won't replace current so if the file contains Test String!
and i use the above code it will become the same
any idea how to fix?

Wait found out using:
@SuppressWarnings("unused")
FileOutputStream fos = new FileOutputStream(file);
before the writing because this code will make a new file (took it from where i make the file if it doesn't exist)
and the new file will be empty

EDIT by Moderator: merged posts, please use the edit button instead of double posting.