Because lazy evaluation doesn’t work with side effects (such as code that produces exceptions and I/O), imperative languages mainly use eager evaluation (also known as strict evaluation), where ...

The dichotomy isn’t clear-cut, as a growing number of languages support both styles, but for our purposes it may be enough to say that in imperative programming you write code as a series of ...

Scala is a powerful programming language for the Java virtual machine (JVM). It can give you higher quality and more concise code. Moreover, it offers a safe road to high-performance, scalable ...

These functional languages are more expressive! How can that be? You see, we don’t get functional programming by starting with an imperative language and cutting off its legs. A purely ...

A programming language that requires programming discipline, such as C/C++, Java, COBOL, FORTRAN, Perl and JavaScript. Also called an "imperative language ...