THE OCP EXAM TOPICS COVERED IN THIS PRACTICE TEST INCLUDE THE FOLLOWING:

• Working with Streams and Lambda Expressions

1. Use Java object and primitive Streams, including lambda expressions implementing functional interfaces, to supply, filter, map, consume, and sort data.

2. Perform decomposition, concatenation, reduction, and grouping and partitioning on sequential and parallel streams.

• Packaging and Deploying Java Code and Use of the Java Platform Module System

1. Define modules and their dependencies, expose module content including for reflection.

2. Define services, producers, and consumers.

3. Compile Java code, produce modular and non-modular jars, runtime images, and implement migration using unnamed and automatic modules.

• Managing Concurrent Code Execution

1. Create worker threads using Runnable and Callable, manage the thread lifecycle, including automations provided by different Executor services and concurrent API.

2. Develop thread-safe code using different locking mechanisms and concurrent API.

3. Process Java collections concurrently, including the use of parallel streams.

   
   

• Using Java I/O API

1. Read and write console and file data using I/O Streams.

2. Serialize and deserialize Java objects.

3. Create, traverse, read, and write Path objects and their properties using java.nio.file API.

• Accessing Databases Using JDBC

1. Create connections, create and execute basic, prepared, and callable statements.

2. Process query results and control transactions using JDBC API.

• Implementing Localization

1. Implement localization using locales and resource bundles.

2. Parse and format messages, dates, times, and numbers, including currency and percentage values.