An overview of how you can use custom QL queries to highlight uses of Java's HashSet and prompt the developer to use LinkedHashSet instead. (more…)

Investigating concurrency, cache contention, and coherence issues on the JVM using JOL and the new @Contended annotation in Java 8. (more…)

The Amazon Corretto team introduces the open source Heapothesys benchmark, a synthetic workload that simulates fundamental application characteristics that affect garbage collector (GC) latency. The benchmark creates and tests GC load scenarios defined by... (more…)

A large open source community has grown around Swift, since Apple open sourced it along with a Linux Port back in Dezember 2015.Certain parallels can be drawn between the evolution of Java and Swift. Java was first a portable platform independent client-s...

Java.util package provides an IdentityHashMap class which implements the Map interface with a hash table, using reference-equality in place of object-equality when comparing keys (and values). In other words, in an IdentityHashMap, two keys k1 and k2 are ... (more…)