"Original" copy source file, and remove comments

Original
/** Delcomment.java * Copy This file to Copy.java, * and get rid of the comments. * * Author: Li Wenxiong. 033534026 * Class: E-Government * * time:04-08-2005 * * can put some//and/or nested annotations can also be removed, * can also distinguish those are strings of characters, rather than annotations. * Complete function is better * */package class;import java.io.*;

public class Delcomment{  private static void OutLine (BufferedWriter out,string Line, int n) {  //Us Ed to write to the outfile    string s = "First" + N + "line:";   line = s + line;  try{&n Bsp;  out.write (line);    out.newline ();   }  catch (IOException e) {    e.printstacktrace ();   }  } public static void Main (string[] args) {  //main function   int n = 0;   //the line number     String line = "";  //used to load the string  string temp = "";     int cmtIndex0 = -1;&N bsp; //is used to mark string Quotes "  int cmtIndex4 = -1;     int CmtIndex1 = -1;  // Used to mark the annotation symbol//   int CMTINDEX2 = -1;  //to mark the annotation symbol/* */       Boolean ISCMT1 = false; //used to mark annotation symbols//   booleanISCMT2 = false; //For marking annotation symbols/* */       try{    BufferedReader in = new BufferedReader (new InputStreamReader (New FileInputStream ("Delcomment.java"));    //bufferedwriter out = new BufferedWriter (New FileWriter ("Copy.java")),    bufferedwriter out = New BufferedWriter (New OutputStreamWriter FileOutputStream ("Copy.java"));       while (temp = In.readline ())!= null) {&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;CMTINDEX2 = Temp.indexof ("* *");           if (CmtIndex2!=-1) && ISCMT2) {      iscmt2 = False;      line = Temp.substring (cmtindex2+2);      n++;       OutLine (out,line,n);      continue;     }           if (ISCMT2) continue;           cmtindex0  = Temp.indexof ("\"); //Opening quote "position            cmtindex1 = Temp.indexof ("//");      cmtindex2 = Temp.indexof ("/*");           cmtindex4 = Temp.indexof ("\", cmtIndex0+1);   //the position of the closing quote "          if" ( (CmtIndex0 < CMTINDEX1)   &&   (CmtIndex1 < cmtIndex4)) ( ) {    & nbsp; //  "//" is not between two quotes             if ( CmtIndex1!=-1) {       if (CmtIndex1 < cmtIndex2) | | (CmtIndex2 = = 1))         if (cmtIndex1 > 0) {          line = temp.substring (0,cmtINDEX1);         n++;          outline (out,line,n);         continue;         }      }      }       if ( (CmtIndex0 < CMTINDEX2)   &&   (CmtIndex2 < cmtIndex4))   {     & nbsp   //  "/*" is not between two quotes              if ( CmtIndex2!=-1) {       if (cmtIndex2 > 0) {         line = temp.substring (0,cmtindex2);        n++;         outline (out,line,n);        } &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;ISCMT2 = true;       continue;      }     }       n++;     outline (out,temp,n);    }      in.close ();     out.close ();   }catch (EOFException e) {}  //catch the Exception    catch (IOException e) {   e.printstacktrace ();    }     catch (Exception e) {   e.printstacktrace ();   }  //********* those below just for test ' get rid of comment '   string str1 = '// & nbsp This is just to test about (//);   string str2 = "/*   this are just to test about (/*  *)   */"  system.out.println (STR1);   system.out.println (str2);  }}



==> Output Result:

Http://blog.csdn.net/horisly/archive/2005/04/08/340159.aspx