Oracle Certified Professional: Java SE 21 Developer (1Z0-830)
Prepare for Oracle Java SE 21 Developer 1Z0-830: ten objectives with code-driven lessons, chapter quizzes and full-length practice exams.
- Chapters
- 10
- Official exam
- 120 min
- Course language
- English
Course outline · 10 lessons
- 01
Date, Time, Text, Numeric, and Boolean Values
- 02
Controlling Program Flow
- 03
Object-Oriented Concepts in Java
- 04
Handling Exceptions
- 05
Arrays and Collections
- 06
Streams and Lambda Expressions
- 07
Packaging and Deploying Java Code
- 08
Managing Concurrent Code Execution
- 09
Java I/O API
- 10
Implementing Localization
Frequently asked questions
What is the format of the Oracle Certified Professional: Java SE 21 Developer (1Z0-830) exam?
The official Oracle exam covers these domains: Handling Date, Time, Text, Numeric and Boolean Values ; Controlling Program Flow ; Using Object-Oriented Concepts in Java ; Handling Exceptions ; Working with Arrays and Collections ; Working with Streams and Lambda expressions ; Packaging and Deploying Java Code ; Managing Concurrent Code Execution ; Using Java I/O API ; Implementing Localization. Our mock exams follow the certification’s official exam outline.
How long is the Oracle Certified Professional: Java SE 21 Developer (1Z0-830) exam?
The official exam lasts 120 minutes.
What are the prerequisites for Oracle Certified Professional: Java SE 21 Developer (1Z0-830)?
No formal prerequisite. ; Oracle expects solid working knowledge of Java syntax and the ability to read and predict the behavior of code snippets.
How do I access the Oracle Certified Professional: Java SE 21 Developer (1Z0-830) course?
Lessons are free to read. Quizzes, mock exams and the PDF book require a signed-in (free) account.