Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Java has long been a powerhouse programming language thanks to its portability, robustness and extensive ecosystem. However, one major challenge for Java developers is interoperation with native code.

Some say general-purpose languages such as Java are on their way out, soon to be replaced by DSLs for every occasion. Get ready for the shift in this first installment of Venkat Subramaniam's four ...