Unlock your Java potential and master the OCP Java SE 21 Developer exam with confidence
Dive into the OCP Oracle Certified Professional Java SE 21 Developer Study Guide: Exam 1Z0-830 for a comprehensive journey through the Java SE 21 Developer certification exam. Crafted by a team of seasoned Java professionals, this guide not only prepares you for the 1Z0-830 exam but also equips you with essential skills for both new and existing Java development roles. Enhance your knowledge, refine your skills, and discover new techniques with this expertly written roadmap.
Explore the depths of Java development, from writing methods that utilize pattern matching to building applications with virtual threads. This guide covers all you need to ace the certification and excel in your Java development career. Additionally, it provides exclusive access to Sybex’s online learning environment and test bank, featuring a wealth of practice questions, electronic flashcards, and a glossary to ensure you’re fully prepared for exam day.
You’ll also:
- Gain a solid understanding of Java SE 21 features and how to apply them effectively in your development projects
- Boost your preparation with hundreds of practice questions and valuable online resources from the Sybex online learning environment
- Quickly reference key concepts thanks to a searchable glossary, making it an indispensable tool for both junior and senior Java developers
Whether you’re gearing up for the OCP Java SE 21 Developer exam or seeking to solidify your Java expertise, this study guide is an essential resource. It not only serves as a comprehensive preparatory material for the certification but also as a go-to reference for your daily programming needs. Embrace this opportunity to reduce test anxiety, enhance your Java skills, and step confidently into your role as a Java developer. Make this book your coding companion today and set the stage for a thriving career in Java development.
Inhaltsverzeichnis
Introduction xxix
Assessment Test xlix
Chapter 1 Building Blocks 1
Chapter 2 Operators 63
Chapter 3 Making Decisions 101
Chapter 4 Core APIs 165
Chapter 5 Methods 233
Chapter 6 Class Design 291
Chapter 7 Beyond Classes 359
Chapter 8 Lambdas and Functional Interfaces 439
Chapter 9 Collections and Generics 481
Chapter 10 Streams 553
Chapter 11 Exceptions and Localization 613
Chapter 12 Modules 683
Chapter 13 Concurrency 745
Chapter 14 I/o 811
Appendix Answers to Review Questions 887
Index 937
Über den Autor
ABOUT THE AUTHORS
Jeanne Boyarsky is a Java Champion and has worked as a Java developer for a major bank for more than 22 years. She is a senior moderator at Code Ranch, and trains and mentors students of all levels.
Scott Selikoff has been a professional Java Enterprise architect for almost 25 years. He currently works as a Staff Software Engineer at Google, specializing in Architecture and Cloud Services. He is a Leader of the Garden State Java User Group, helping to facilitate discussions and exchange of ideas within the community.