This works but

Question

somethings bothering me i keep geting a exception when i close the applet viewer it runs fine in the prowser it says that their is a exception occuring outside the vm in the native code
if anyone sees why or sees anyway i could make this cleaner tell me
thanks in advance
import java.awt.*;
import java.applet.*;
import java.io.*;
import java.net.URL;
import java.util.StringTokenizer;
import java.lang.String.*;
public class readingfiles4 extends Applet
int lpi = 0;
int lpii = 0;
int dumyvar = 0;
String dumystring = "";
String dumystringb = "";
int[][] polygon_array ;
int[][] temp_array ;
public void init()
polygon_array = new int[10][8] ;
temp_array = new int[10][8];
try{
URL url = new URL(getCodeBase(), "Myvectors.txt");
InputStream instream = url.openStream();
BufferedReader in = new BufferedReader(new InputStreamReader(instream));
lpi = 0;
while((dumystring = in.readLine()) != null) {  // get first line and check for null
StringTokenizer st = new StringTokenizer(dumystring,",");
while (st.hasMoreTokens()) {
lpii ++;
polygon_array[lpi][0] = lpii ; // number of vertices*2 = lpii at the end starts off with this
//------------will do this later make the array dynamic-------
//------------code for loading in the array---------------------------
dumystringb = st.nextToken();
try{ // check if following is legal
dumyvar = Integer.parseInt(dumystringb ); // get the string convert it to int
} // end try
catch(NumberFormatException e){
System.out.println("not a number!");
} // end catch
polygon_array[lpi][lpii] = dumyvar ;
}//end for while more tokens
lpii = 0;
lpi ++;
} // end while
lpi = 0 ;
} // end try
catch(IOException e){}
} // end init
public void paint(Graphics g)
//-----------to test----------------------------------------------------------------------------------------
for(lpi = 0;lpi <=7;lpi++){  
for(lpii = 0;lpii <=7;lpii++){  
// g.drawString(" the str "+dumystring,30,50);
dumyvar = polygon_array[lpi][lpii];
g.drawString(" the lpi = "+lpi+" lpii ="+lpii,120,(18*lpii)+(160*lpi)+20);
g.drawString(" the array "+dumyvar,30+lpii,(18*lpii)+(160*lpi)+20);
}//endfor lpii
}//end for lpi

Answer 1

btw this just reads a text file from a applet when that text file is in the same folder it reads it as a string then converts it into ints to be stored in the array
in addition if the text file has any extra spaces in it
it messes it up and the text file is numbers seperated by commas