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Oracle Certified Professional: Java SE 21 Developer (Exam 1Z0-830)

10 Courses
5 Labs
23 Hours
Practice exam

Prepare for the Oracle Certified Professional Java SE 21 Developer certification. This path covers all exam objectives through detailed theoretical content and hands-on practice. You'll learn Java programming concepts, from core language features to concurrent programming and deployment. The curriculum is specifically designed to align with the 1Z0-830 exam requirements while providing practical programming experience in Java SE 21's new features and fundamental concepts.

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Content in this path

Java SE 21 Developer

This section covers the Oracle Certified Professional content required for Exam 1Z0-830.

Course

Java SE 21 Developer (Exam 1Z0-830): Data Types

  • by Esteban Herrera
  • 2h
  • Mar 27, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Controlling Program Flow

  • by Andrejs Doronins
  • 1h 46m
  • Feb 20, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Object-oriented Programming

  • by Dan Geabunea
  • 2h 42m
  • Mar 26, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Exception Handling

  • by Andrejs Doronins
  • 1h 18m
  • Feb 03, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Arrays and Collections

  • by Dan Bunker
  • 1h 30m
  • Mar 06, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Streams and Lambda Expressions

  • by Jesper de Jong
  • 1h 2m
  • Feb 18, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Packaging and Deploying Java Code

  • by Esteban Herrera
  • 2h 6m
  • May 30, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Concurrent Programming

  • by Catalin Tudose
  • 1h 3m
  • Mar 06, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Java I/O and File Handling

  • by Andrejs Doronins
  • 1h 28m
  • Mar 04, 2025
Course

Java SE 21 Developer (Exam 1Z0-830): Implementing Localization

  • by Maaike van Putten
  • 49m
  • Mar 24, 2025
Lab

Guided: Java SE 21 Developer (Exam 1Z0-830) - Core Java SE Basics

  • by Amar
  • 51m
  • Sep 10, 2025
Lab

Guided: Java SE 21 Developer (Exam 1Z0-830) - Object-oriented Programming

  • by Esteban Herrera
  • 1h 29m
  • Sep 15, 2025
Lab

Guided: Java SE 21 Developer (Exam 1Z0-830) - Concurrent Programming

  • by Amar
  • 1h 6m
  • Sep 11, 2025
Lab

Guided: Java SE 21 Developer (Exam 1Z0-830) - Collections and Streams

  • by Esteban Herrera
  • 2h 3m
  • Sep 20, 2025
Lab

Guided: Java SE 21 Developer (Exam 1Z0-830) - File Handling and I/O Operations

  • by Esteban Herrera
  • 2h 6m
  • Sep 22, 2025
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Certification path

Build confidence to ace your certification exam with a variety of prep tools, including video courses, labs, and practice exams.

What You'll Learn
  • Java SE 21 fundamentals
  • Implement object-oriented designs
  • Handle exceptions effectively
  • Work with collections and streams
  • Develop concurrent applications
  • Manage I/O operations
  • Deploy Java applications
Prerequisites
  • Basic Java programming experience
  • Understanding of programming concepts
  • Command line familiarity
  • Basic database concepts
  • IDE experience
  • Problem-solving skills
Related topics
  • Java SE 21
  • Object-Oriented Programming
  • Concurrent Programming
Prepare for in-demand tech certifications Explore practice exams

Learn with the best

Esteban Herrera
Esteban Herrera
Esteban Herrera has more than fifteen years of experience in the software development industry. He has worked in many roles and projects, but mostly architecting and developing enterprise systems with Java and Javascript. Nowadays, he spends all of his time learning new things, writing articles, teaching programming, and enjoying his kids.
Andrejs Doronins
Andrejs Doronins
With over 10 years of industry experience, Andrejs is a seasoned tester and test automation professional. His capabilities span from hands-on test automation of UI and Web API layers to handling message-driven architectures. Additionally, he has proven experience in guiding and coordinating teams of testers to formulate comprehensive test plans and cases.
Dan Geabunea
Dan Geabunea
I'm a passionate software developer and mentor with a decade of experience building mission-critical software applications in banking, air traffic management, maritime safety, and identity management. Nothing satisfies me more than providing value to customers while building robust software solutions that are easy to maintain and evolve. I love sharing my skills and experience with others. I started to publish coding tutorials on YouTube in 2015, and became a Pluralsight author in 2018.
Dan Bunker
Dan Bunker
Dan Bunker is the Chief Technology Officer (CTO) at Monolith Brands Group, an eCommerce company based in Brooklyn, New York. Dan has used a variety of technologies throughout his career. He currently has expertise with Java, Ruby, Python and JavaScript languages and related technologies. In addition to a passion for software development (SaaS), Dan enjoys mentoring, training and advising engineers and developers in their careers.
Jesper de Jong
Jesper de Jong
Jesper is an experienced independent software developer. He designs and builds efficient, high-quality software in Java and other JVM languages. He loves the creativity of inventing and building software systems and he loves to teach and share his knowledge with other developers to help them write clean, efficient, well-designed and maintainable code.
Catalin Tudose
Catalin Tudose
Cătălin Tudose is a Java Champion, Java and Web Technologies Expert, and a Java Chapter Lead in Luxoft, Romania. Born in Pitești, Argeș, Romania, he studied Computer Science in Bucharest, graduating in 1997 and obtaining a PhD in 2006, with the thesis "Spatial Databases for the Reconstruction of the Relief". He has taught courses and seminaries at POLITEHNICA București on Advanced Java Programming, Java Programming with Spring and Hibernate, Analysis of Algorithms, Computer Graphics, Logic Desig...
Maaike van Putten
Maaike van Putten
Maaike is a software developer, trainer, and founder of Brightboost, a training agency she started in 2014. She combines her deep passion for technology with a love for teaching, helping professionals grow their skills and advance their careers. Over the years, she has trained developers worldwide in Java, Spring, C#, Python, React, Angular, Scrum and more. She specializes in translating complex technical topics into actionable skills for developers and non-tech professionals. She creates both ...
Amar
Amar
Amar is a seasoned software development architect with extensive experience in the financial industry, specializing in designing scalable applications. His strong interest in cloud technology drives him to continually learn, and he holds certifications from top cloud providers. A proponent of Agile development, Amar is also passionate about gadgets, motorcycles, and spending quality time with his children.

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