import java.io.*;
import java.io.IOException;
import java.util.StringTokenizer;

public class minu1{

        //reads the text file as one  "big word"

  static String readFile Fail(String failinimi) throws IOException{
    StringBuffer sb=new StringBuffer();
    RandomAccessFile rf=new RandomAccessFile(filename, "r");
    String row=rf.readLine();
    while(row!=null){
      sb.append(row+" ");
      row=rf.readLine();
    }
    int len=sb.length();
    sb.delete(leng-1, len);
    return new String(sb);
  }

         //changes the "big word" into the sentence array

  static String[] intosentences(String s){
    StringTokenizer st=new StringTokenizer(s, ".?!", true);
    String sentences[] = new String[st.countTokens()];
    int place=0;
    while(st.hasMoreTokens()){
      sentences[place++]=st.nextToken();
    }
    return sentences;
  }

         //counts how many words are in the sentence

  static int count(String sentence, String word){
    int nr=0, firstplace=0;
    while(firstplace<sentence.length()){
      int place=sentence.indexOf(word, firstplace);
   
     if(place>=0){
        nr++; firstplace=place+word.length();
      }else firstplace=sentence.length();
    }
    return nr;
  }

         //asks the file name or word from  user 

  static String askAnswer(String question) throws IOException{
    System.out.println(question);
    BufferedReader br=new BufferedReader(
      new InputStreamReader(System.in)
    );
    return br.readLine();
  }
         //asks the filename  and the word
         //counts how many times the word was at the beginning of the sentence

    public static void main(String argumendid[]) throws IOException{
    String filename=aksAnswer("Type the file name please:");
    String word=askAnswer("Type the word please:");
    String sentencearray[]=intosentences(readFile(filename));
    int number=0;
    for(int i=0; i<sentencearray.length; i++){
      if(sentencearray[i].trim().startsWith(word)){
        number+=count(sentencearray[i], word);
      }
    }
       System.out.println("The word "+sona+" was "+number+" times in the beginning of the sentence.");
  }
}

  I hope you are very happy now :)