Oracle 1Z0-831 Certification Exam Syllabus

1Z0-831 Syllabus, 1Z0-831 Latest Dumps PDF, Oracle Java SE 25 Developer Dumps, 1Z0-831 Free Download PDF Dumps, Java SE 25 Developer DumpsYou can use this Oracle 1Z0-831 exam study guide to collect all the information about the Java SE 25 Developer Professional exam. The Oracle 1Z0-831 certification exam is mainly targeted to those candidates who have some experience or exposure to Oracle Java technology and want to flourish their career with Oracle Certified Professional Java SE 25 Developer credential.

The Oracle 1Z0-831 certification exam validates your understanding of the Oracle Java technology and sets the stage for your future progression. Your preparation plan for Java SE 25 Developer Professional Certification exam should include hands-on practice or on-the-job experience performing the tasks described in following certification exam syllabus topics.

Oracle 1Z0-831 Exam Details:

Exam Name Java SE 25 Developer Professional
Exam Code 1Z0-831
Exam Price USD $245 (Pricing may vary by country or by localized currency)
Duration 120 minutes
Number of Questions 50
Passing Score 68%
Format Multiple Choice Questions (MCQ)
Recommended Training Become a Java SE 25 Developer
Schedule Exam Buy Oracle Training and Certification
Sample Questions Oracle Certified Professional Java SE 25 Developer
Recommended Practice 1Z0-831 Online Practice Exam

Oracle 1Z0-831 Syllabus Topics:

Handling Date, Time, Text, Numeric and Boolean Values - Use primitives and wrapper classes. Evaluate arithmetic and boolean expressions, using the Math API and by applying precedence rules, type conversions, and casting.
- Manipulate text, including text blocks, using String and StringBuilder classes.
- Manipulate date, time, duration, period, instant and time-zone objects including daylight saving time using Date-Time API.
Implementing Program Flow Control Using Decision and Looping Constructs - Create program flow control constructs including if/else, switch statements and expressions, loops, and break and continue statements.
Applying Object-Oriented Principles in Java Programs - Declare and instantiate Java objects including nested class objects, and explain the object life-cycle including creation, reassigning references, and garbage collection.
- Create classes and records, and define and use instance and static fields and methods, constructors, including flexible constructor bodies, and instance and static initializers.
- Implement overloaded methods, including var-arg methods.
- Understand variable scopes, apply encapsulation, and create immutable objects. Use local variable type inference and unnamed variables.
- Implement inheritance, including abstract and sealed types as well as record classes. Override methods, including that of the Object class. Implement polymorphism and differentiate between object type and reference type.
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default interface methods.
- Create and use enum types with fields, methods, and constructors.
Implementing Exception Handling in Java Applications - Handle exceptions using try/catch/finally, try-with-resources, and multi-catch blocks, including custom exceptions.
Using Arrays and Collections to Store and Retrieve Data - Create arrays, List, Set, Map, Deque, and sequenced collections, and add, remove, update, retrieve, and sort their elements.
Processing Data Using Streams and Lambda Expressions - Use Java object and primitive Streams, including lambda expressions implementing functional interfaces, to create, filter, transform, process, and sort data.
- Perform decomposition, concatenation, reduction, grouping and partitioning, and gather operations on sequential and parallel streams.
Packaging and Deploying Java Code - Define modules and expose module content, including that by reflection, declare module dependencies, define services, providers, and consumers, and use module import declarations.
- Compile and run Java source code, including compact source files, instance main methods, and multi-file source-code programs; create modular and non-modular jars and runtime images; and implement migration to modules using unnamed and automatic modules.
Implementing Multithreading for Concurrent Code Execution - Create both platform and virtual threads. Use Runnable and Callable objects, manage the thread lifecycle, use different Executor services and concurrent API to run tasks, and use scoped values to share immutable context.
- Develop thread-safe code, using locking mechanisms and concurrent API.
- Process Java collections concurrently and utilize parallel streams.
Performing Input and Output Operations Using the Java I/O API - Read and write console and file data using I/O streams.
- Serialize and de-serialize Java objects.
- Construct, traverse, create, read, and write Path objects and their properties using the java.nio.file API.
Developing Applications with Localization Support - Implement localization using locales and resource bundles. Parse and format messages, dates, times, and numbers, including currency and percentage values.

The Oracle Java SE 25 Developer Certification Program certifies candidates on skills and knowledge related to Oracle Java products and technologies. The Oracle 1Z0-831 is granted based on a combination of passing exams, training, and performance-based assignments, depending on the level of certification. Java SE 25 Developer Professional certification is a real benchmark of experience and expertise that helps you stand out in a crowd among employers. To ensure success, Oracle recommends combining education courses, practice exams, and hands-on experience to prepare for your Oracle Certified Professional Java SE 25 Developer certification exam as questions will test your ability to apply the knowledge you have gained in hands-on practice or professional experience.

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