Low-Level Streams: FileInputStream : Stream « File « SCJP

1. SCJP
2. File
3. Stream

import java.io.FileInputStream;
import java.io.IOException;

public class MainClass {
  public static void main(String[] argv) {
    byte b;
    byte bytes[] = new byte[100];
    byte morebytes[] = new byte[50];
    try {
      FileInputStream fis = new FileInputStream("fname");
      b = (byte) fis.read(); // Single byte
      fis.read(bytes); // Fill the array
      fis.read(morebytes, 0, 20); // 1st 20 elements
      fis.close();
    } catch (IOException e) {
    }

  }
}