In 64-bit Hotspot, Java objects have an object header of 128 bits: a 64 bit multi-purpose header (‘mark’ or ‘lock’) word and a 64-bit class pointer. With typical average object sizes of 5-6 words, this is quite significant: 2 of those words are al... (more…)

Programming book reviews, programming tutorials,programming news, C#, Ruby, Python,C, C++, PHP, Visual Basic, Computer book reviews, computer history, programming history, joomla, theory, spreadsheets and more. (more…)

Introduction As I wrap up my internship with Microsoft this summer, I have discovered the value in being confused. The more I learned, the more some things became clearer and the more other things became cloudier. In the end, I am left with a headache of ... (more…)

Modern JVM languages such as Kotlin, Groovy, Scala and some others offer many language features that let you write code in a more concise… (more…)

In Part 1 of this tutorial we created a Property-based test (PBT) from a normal JUnit test with basic types. Now let us extend the domain object PostalParcel with a list of Products. All examples a… (more…)