Java Program that displays the number of characters,lines and words in a given text file

Program

 import java.io.*;

 class count 

 {   

   public static void main(String args[]) throws IOException

   {

      int c,characters=0,lines=0,words=0;

      FileInputStream f=null

      try

      {

        f=new FileInputStream(args[0]);

      }

      catch(FileNotFoundException e){}

      while((c=f.read())!=-1)

      {

        characters++;

         if(c=='\n')

          lines++;

         if(c==' '||c=='\n'||c=='\t')

          words++;

      }

    System.out.println("Number of characters are "+characters);

    System.out.println("Number of lines are "+lines);

    System.out.println("Number of words are "+words);

   }
 }

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