RandomAccessFile: length()


import java.io.RandomAccessFile;

public class MainClass {

  public static void main(String args[]) {

    try {

      RandomAccessFile raf = new RandomAccessFile(args[0], "r");

      long position = raf.length();

      while (position > 0) {

        position -= 1;

        raf.seek(position);
        byte b = raf.readByte();

        System.out.print((char) b);
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}
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RandomAccessFile:
  1. RandomAccessFile
  2. new RandomAccessFile(String fileName, String mode)
  3. RandomAccessFile: close()
  4. RandomAccessFile: getChannel()
  5. RandomAccessFile: getFilePointer()
  6. RandomAccessFile: length()
  7. RandomAccessFile: read(byte[] b)
  8. RandomAccessFile: readBoolean()
  9. RandomAccessFile: readByte()
  10. RandomAccessFile: readChar()
  11. RandomAccessFile: readDouble()
  12. RandomAccessFile: readInt()
  13. RandomAccessFile: readLine()
  14. RandomAccessFile: seek(long pos)
  15. RandomAccessFile: write(byte[] b)
  16. RandomAccessFile: writeBoolean(boolean v)
  17. RandomAccessFile: writeBytes(String s)
  18. RandomAccessFile: writeChars(String s)
  19. RandomAccessFile: writeInt(int v)
  20. RandomAccessFile: writeUTF(String str)