Comparing the content of the file

Question

Can somebody help me make a program that checks the comments of a program. it goes something like this You will be checking the /**/ of the program only. I have a sample code but it is not running. Pls help me
import java.io.*;
import java.util.*;
class Check
     public static void main(String args[])
          boolean sw;
          BufferedReader in = new BufferedReader(new FileReader("monkey.java"));
          String str;
          String ch;
     //     String in =var.readLine();
          int state = 1;
          while ((str = in.readLine()) !=null){
          char ch = in.getAnyChar();
          switch(state){
               case 1: //Q1
                    if (ch =='/')
                         state = 2;
                    else if (ch == '*')
                         state = 6;
                    else
                         state = 1;
                    break;
               case 2: //Q2
                    if (ch == '*')
                         state = 3;
                    else if (ch == '/')
                         state = 6;
                    break;
               case 3: //Q3
                    if (ch == '*')
                         state = 4;
                    else if (ch == '/')
                         state = 3;
                    else
                         state = 3;
                    break;
               case 4: //Q4
                    if (ch == '/')
                         state = 5;
                    else if (ch == '*')
                         state = 4;
                    else
                         state = 3;
                    break;
               case 5: //Q5
                    if (ch == '/')
                         state = 2;
                    else if (ch == '*')
                         state =     6;
                    else
                         state = 5;
                    break;
               case 6: //Q6
                    state = 6;
                    break;
          if (state == 5)
               System.out.println ("Errors Found");
          else
               System.out.println ("Compilation Complete");
     in.close();
}

Answer 1

Crosspost
http://forum.java.sun.com/thread.jspa?threadID=597939&messageID=3177673