Are you just using ArrayList whenever you need to group data?What are the specific scenarios where Set or Map are the correct ...

The generational hypothesis is key to efficient modern garbage collection HotSpot counts the number of collections an object has survived to implement generational GC The Parallel collector is still ...

Many data structures have been developed so programmers can store and retrieve values efficiently. The Java API provides implementations of common data structures and algorithms, as well as a ...

One of the nasty little traps a Java developer can run into occurs when Collection.contains(Object) is not used with appropriate understanding. I demonstrate this potential trap in this post. This is ...

Addressing an issue that has been a source of ongoing complaints, Java could add sequenced collections, sequenced sets, and sequenced maps, anchored by interfaces to represent collections with a ...