Get total size of file in bytes [duplicate]
Possible Duplicate:
java get file size efficiently
I have a File called filename which is located in E://file.txt.
FileInputStream fileinputstream = new FileInputStream(filename);
What I want to do is to calculate the size of this file in bytes. How can I have this done?
You can use the length() method on File which returns the size in bytes.
You don't need FileInputStream to calculate file size, new File(path_to_file).length() is enough. Or, if you insist, use fileinputstream.getChannel().size().
You can do that simple with Files.size(new File(filename).toPath()).