Java - File handling - line, word and character count

// File handling

/*

Write a Java program that displays the number of characters, lines and words in a text file.

*/

import java.io.*;

class FileLWC

{

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

     {

         

          FileInputStream fin = new FileInputStream("ipt.txt");

          int lc = 0, wc = 0, cc = 0;

         

          while(true)

          {

              int i = fin.read();

              if(i==-1)

              {

                   lc++;

                   wc++;

                   break;

              }

              char c = (char)i;

             

              if(c=='\n' || c=='.')

              {

                   lc++;

                   wc++;

              }

              else if(c=='\t' || c==' ')

                   wc++;

              else if((c>='a' && c<='z')||(c>='A' && c<='Z'))

                   cc++;

                            

          }       

          System.out.println("Line count = "+lc);

          System.out.println("Word count = "+wc);

          System.out.println("Character count = "+cc);

          fin.close();

     }

}