Everything about

#collections

Immutable Collections In Java - Not Now, Not Ever#post#collections
The JDK contains immutable collections, but no type ImmutableCollection. Here's why that's so and why it won't change.
Code-First Java 9 Tutorial#post#java‑9 #migration #streams #optional #collections #j_ms
Showing code for the most important Java 9 features: private interface methods, stream and optional APIs, collection factories, reactive streams, stack walking, multi-release JARs, redirected platform logging, unified logging, the module system, and more. If you're new to Java 9, start here.
Transforming Collections#post#collections #libfx
Transforming collections are a view onto another collection, making it appear to be of a different parametric type. They are available in LibFX 0.3.0.
Test Collection Implementations with Guava#post#collections #libraries #testing
Here's how to use Guava-Testlib to easily and thoroughly test your own Java collection implementations.