When I read a (�) character from a file, I got a �

Hi,
First of all Thanks in advace,
I have a program that reads a txt file and display a page on html page, everything works well, but when a read a '�' character a got a �, I know that � = 0x241.
My problem comes up when I try to validate each character in the file, because the program read the � character as char 0x177.
how I can implement the comparation command , to identify if the character that was readed is a � character ?
Any help will be appreciate.
Thanks Again.

Hi and thanks for you answer.
I have a line like this :
String Line = "CU-578355566-sue�o-dasdjhghhh";
char[] charInLine = Line.toCharArray();
// Here I start the validation :
int numOfChar = Line.length;
for ( int i =0; i < numOfChar; i++) {
if (charInLine[i] =='�') {
System.out.println ( "Invalid Character");
I tried with :
if (charInLine[i] =='�')
if (charInLine[i] == '\u00f1')
if (charInLine[i] ==( (char) 241)
But Nothing works, but if I use :
if (charInLine[i] == ( ( char) 177) it works, but this code is for �.
Thanks!
Postscript : It works in my machine, but not over internet.

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