Get File size in bytes : Files « File Input Output « Java

Get File size in bytes



public class Main {

  public static void main(String[] args) {
    File file = new File("C:/demo.txt");
    long fileSize = file.length();

    System.out.println(fileSize + " bytes");
    System.out.println((double) fileSize / 1024 + " KB");
    System.out.println((double) fileSize / (1024 * 1024) + "MB");


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