Thread: How to Get the size of a file in bytes

This code will print the size of a file in bytes to the console.

import java.io.File;
 
public class FileSize {
 
    /**
     * JavaProgrammingForums.com
     */
     public long getFileSize(String filename) {
 
            File file = new File(filename);
 
            if (!file.exists() || !file.isFile()) {
              System.out.println("File does not exist");
              return -1;
            }
            // Code to get file size
            return[B] file.length();[/B]
          }
 
 
    public static void main(String[] args) {
 
        FileSize fs = new FileSize();
        long size = fs.getFileSize("myFile.txt");
        System.out.println("File size in bytes " + size);
 
    }
 
}