Programming 2 with Java

General

• JDK 21 API Documentation
• JDK 21 Tool Specifications
• The Java Language Specification

Threads

• The Java Tutorials: Concurrency
• Java Concurrency and Multithreading Tutorial (Jakob Jenkov)
• Java Concurrency in Practice (Brian Goetz)
• Java Virtual Threads

Lambdas and Streams

• The Java Tutorials: Lambda Expressions