The Oracle 1Z0-822 exam assesses your proficiency in Java SE 11 development, covering a range of essential topics. These topics include an understanding of the Java platform, its fundamental concepts, and the ability to create and manipulate objects. You'll delve into exception handling, learning to anticipate and manage errors effectively. The exam also emphasizes the importance of designing and implementing classes and interfaces, as well as utilizing Java's built-in API libraries for practical applications. Additionally, you'll explore the world of lambda expressions and functional interfaces, which are powerful tools for enhancing code efficiency and readability. Another key aspect is the utilization of streams and parallel streams for data processing, enabling you to write efficient and scalable code. The exam also covers the importance of multithreading and concurrency, ensuring your applications can handle multiple tasks simultaneously. Finally, you'll gain insights into the Java Virtual Machine (JVM) and its role in optimizing performance and memory management. By mastering these topics, you'll be well-equipped to develop robust and efficient Java applications, leveraging the full potential of the Java SE 11 platform.