Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class is a simple, versatile, easy-to-use class that makes user input in Java ...

Need to add multiple values to a key in a Java HashMap but can't figure out how to do it? Here are three examples of how to solve the multiple values per key problem in Java.

Scoped Values is now in JDK 21 as a Preview Feature. Alongside Virtual Threads and Structured Concurrency, Scoped Values add to the growing list of enhancements to Java and Project Loom.