Java 1.2 introduced the collection classes that we all know and love, ... For Java versions 1.2 through 1.4, iterating over a list of strings might resemble Listing 2. Listing 2.

Type-safe Empty Collections in Java. how-to. Nov 27, 2012 5 mins. Core Java Java Java SE. ... /** * Instantiate my collections with empty versions using Collections fields.

Ruby Collections for Java. The rubycollect4j implements all methods refer to Ruby Array, Hash, Set, Enumerable, Enumerator, Range and String. It also implements parts of Ruby Dir, File and Date ...

The JDK 21 release benefited the Java ecosystem with virtual threads, record patterns, sequenced collections, a generational Z garbage collector and a key encapsulation mechanism API.