/*
 pgm to count the characters in a file,no. of lines in a file and no. of words
 */
import java.io.*;
public class countCharacters  
{
    public  void Lines()throws IOException
    {
        File f = new File("in.dat");
        FileReader fr = new FileReader(f);
        BufferedReader br = new BufferedReader(fr);
        String str = br.readLine();
 
            LineNumberReader ln = new LineNumberReader(br);
            int count = 0;
            while (ln.readLine()!=null)
            {
                count++;
            }
 
            System.out.println("no. of lines in the file = " + count);
 
        }
         public  void Words()throws IOException 
                 // count no. of words.
         {
             File f = new File("in.dat");
        FileReader fr = new FileReader(f);
        BufferedReader br = new BufferedReader(fr);
        StreamTokenizer stz = new StreamTokenizer(br);
             int index = 0;
            int numWords =0;
 
            while(index !=StreamTokenizer.TT_EOF )
            {
                index =stz.nextToken();
                numWords++;
            }
 
                   System.out.println("no. of words in file = " + numWords);
        }
         public  void Charact()throws IOException
                 // counting characters
         {
             File f = new File("in.dat");
             FileReader fr = new FileReader(f);
        BufferedReader br = new BufferedReader(fr);
               long numChar = f.length();
               int countChar =0;
               while(countChar<numChar)
               {
                   countChar++;
               }
               System.out.println("no. of characters in the file =" + countChar);
              //  return countChar;  
 
    }
         public static void main(String args[])throws IOException
     {
         countCharacters ob1 = new countCharacters();
           ob1.Charact();
           ob1.Words();
           ob1.Lines();
 
     }
}