File Java Tutorial

import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
public class MainClass {
  public static void main(String[] args) throws IOException {
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(
        "test.java")));
    while (in.available() != 0)
      System.out.print((char) in.readByte());
  }
}