import java.io.*;
import java.util.*;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

class Demo {
  public static void readFile() {
    try {
      File file = new File("testfile.txt");
      FileInputStream inStream = new FileInputStream(file);
      long totalByte = inStream.available();
      System.out.println("\nSize  of file : " + totalByte);
      System.out.print("Content of file  : ");
      for (int i = 0; i < totalByte; i++) {
        System.out.print((char) inStream.read());
      }
      inStream.close();
    } catch (Exception ioe) {
      System.out.print(ioe);
    }
  }

  public static void doSkip() {
    try {
      File file = new File("testfile.txt");
      FileInputStream inStream = new FileInputStream(file);
      long totalByte = inStream.available();

      System.out
      .print("\nContent after skipping two characters from the file :");
      for (int i = 0; i < totalByte; i++) {
        if (i == 4) {
          long numskip = inStream.skip(2);
          i = i + 2;
        }
        System.out.print((char) inStream.read());
      }
      inStream.close();
    } catch (Exception ioe) {
      System.out.print(ioe);
    }
  }
}

class SkipDemo {
  public static void main(String[] args) {
    Demo.readFile();
    Demo.doSkip();
  }
}