creatign lexical analayzer that used implement the symbols

[birhane]

Creating Lexical analyzer using java language.
Objective:
my lexical analyzer needs to be able to recognize the
following keywords and symbols:
and class do else false
+ - * / [ ] \{ \} ( ) . , ; ==

[chaarmann]

You can implement it very easily using the technique "recursive descent" (Just google for recursive descent). You can also read about tools like Lex and Yacc that are parsing code by any grammar (syntax) that you can define yourself.