Most Java developers know what the JVM does. Very few understand how it manages memory byte-by-byte. This article covers everything — from the Mark Word bit layout to False Sharing to TLAB internals.

Introspector is a general-purpose tool that visualizes runtime object structures as interactive trees by leveraging Java’s reflection capabilities. It offers a lightweight, language-agnostic approach ...

Type erasure in Java generics programming can cause a variety of problems in your code. Fortunately, there are ways to work around them. Generics programming in Java enhances type safety and code ...

We have reached the ninth stage of our journey into the deep, hidden and intricate world of Android OS. In the previous articles we have explored the role of the Activity class, its dependencies on ...

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

The term "LINQ to Objects" refers to the use of LINQ queries with any IEnumerable<T>. You can use LINQ to query any enumerable collections such as Primitive Array, Object Array, List, Collection or ...

Iterators in Java typically expect exclusive access to the data structure they loop through. If another thread tries to modify a collection of objects while an ...

One of the first indicators of a runtime performance problem is a high Java CPU usage report from a JVM profiler or Java monitoring tool. Unfortunately, high Java CPU utilization problems on Windows ...