Most Java developers who come from a C/C++ background have probably at one time wished for a Java equivalent of sizeof(). Although Java lacks a true sizeof() equivalent, the Instrumentation interface ...

Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality, that ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

I have a class, say TextHolder, that overrides Object.equals() to return true if both strings in each object are equal - <tt>new TextHolder("Hello World!").equals(new ...

I've been scouring the Web looking for info on optimising the memory usage of Java and have come up with a few items of interest. Primitive arrays don't have a full object overhead but I have been ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

We showcase some of the best online courses to learn software development and computer programming with Java. Learn more about Java coding. Java is one of the most prevalent programming languages ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Java was created over 25 years ago, and it is still one of the most popular programming languages. In this article, I will present an overview of how Java has grown to today's complex system and why ...