Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang. The code is tested using the latest revision of the JDK for supported LTS releases: 8, 11, 17, 21 and 25 currently.
Learning Java: An Introduction to Real-World Programming with JavaLearning Java: An Introduction to Real-World Programming with Java (2023)
by Loy, Marc, Niemeyer, Patrick, Leuck, Daniel
Java in a Nutshell: A Desktop Quick ReferenceJava in a Nutshell: A Desktop Quick Reference (2023)
by Evans, Benjamin J., Clark, Jason R., Flanagan, David
The Well-Grounded Java Developer, Second EditionThe Well-Grounded Java Developer, Second Edition (2022)
by Evans, Benjamin, Verburg, Martijn, Clark, Jason
Head First Java: A Brain-Friendly GuideHead First Java: A Brain-Friendly Guide (2022)
by Sierra, Kathy, Bates, Bert, Gee, Trisha
Java Cookbook: Problems and Solutions for Java DevelopersJava Cookbook: Problems and Solutions for Java Developers (2020)
by Darwin, Ian F.
Think Java: How to Think Like a Computer ScientistThink Java: How to Think Like a Computer Scientist (2020)
by Downey, Allen B., Mayfield, Chris
Java: The Complete Reference, Thirteenth EditionJava: The Complete Reference, Thirteenth Edition (2024)
by Schildt, Herbert, Coward, Danny
Java: The Complete Reference, Thirteenth EditionJava: The Complete Reference, Thirteenth Edition (2024)
by Schildt, Herbert, Coward, Dr Danny
Real-World Software Development: A Project-Driven Guide to Fundamentals in JavaReal-World Software Development: A Project-Driven Guide to Fundamentals in Java (2019)
by Urma, Raoul-Gabriel, Warburton, Richard
Modern Concurrency in Java: Virtual Threads, Structured Concurrency, and BeyondModern Concurrency in Java: Virtual Threads, Structured Concurrency, and Beyond (2025)
by Rahman, A N M Bazlur
Modern Java in Action: Lambdas, streams, functional and reactive programmingModern Java in Action: Lambdas, streams, functional and reactive programming (2018)
by Raoul-Gabriel Urma, Mario Fusco, Alan Mycroft
Learn Java with Projects: A concise practical guide to learning everything a Java professional really needs to knowLearn Java with Projects: A concise practical guide to learning everything a Java professional really needs to know (2023)
by Dr. Seán Kennedy, Maaike van Putten
Mastering Java Concurrency: Threads, Synchronization, and Parallel ProcessingMastering Java Concurrency: Threads, Synchronization, and Parallel Processing (2024)
by Jones, Peter
Virtual Threads, Structured Concurrency, and Scoped Values: Explore Java’s New Threading Model (Apress Pocket Guides)Virtual Threads, Structured Concurrency, and Scoped Values: Explore Java’s New Threading Model (Apress Pocket Guides) (2024)
by Veen, Ron, Vlijmincx, David
Java Concurrency Patterns: Mastering Multithreading and Asynchronous TechniquesJava Concurrency Patterns: Mastering Multithreading and Asynchronous Techniques (2024)
by Jones, Peter
Effective JavaEffective Java (2017)
by Bloch, Joshua
Java Concurrency and Parallelism: Master advanced Java techniques for cloud-based applications through concurrency and parallelismJava Concurrency and Parallelism: Master advanced Java techniques for cloud-based applications through concurrency and parallelism (2024)
by Wang, Jay
Java Reflection in Action (In Action series)Java Reflection in Action (In Action series) (2004)
by Forman, Ira R., Forman, Nate
Java Concurrency in PracticeJava Concurrency in Practice (2006)
by Goetz, Brian, Peierls, Tim, Bloch, Joshua, Bowbeer, Joseph, Holmes, David, Lea, Doug