Writing a mathematical expression evaluator in Java,Introduction Writing an expression evaluator, as simple as it may be, has always been a long standing challenge for me, mostly b...

How similar is the execution of Java and JavaScript?,In this article, I will compare the execution of Java and JavaScript. I am intentionally avoiding a lot of details about memory...

Meet JFlex, JFlex is a scanner generator for Java. A scanner generator will generate a scanner (a.k.a. lexer) for you instead of you having to write one yourself. JFlex is modeled ...

Use JFlex to Count Words, In the previous story we got to meet JFlex, a tool for generating lexers in Java. The example lexer was contrived, banal and not all that useful so let’s...