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The Upgrade OCP Java 6, 7 & 8 to Java SE 11 Developer certification exam covers a range of topics related to the latest version of the Java programming language, including modules, interfaces, collections, Lambda expressions, and more. 1Z0-817 exam is designed to test a candidate's understanding of these topics and their ability to apply them in real-world scenarios. 1Z0-817 exam is divided into multiple sections, each of which focuses on a different area of Java programming.

Topics of Oracle 1Z0-817: Upgrade OCP Java 6, 7 & 8 to Java SE 11 Developer Exam

Candidates must know the exam topics before they start preparation. Our 1z0-817 exam dumps will include the following topics:

Understanding Modules

• Describe the Modular JDK
• Describe how a modular project is compiled and run
• Declare modules and enable access between modules

Migration to a Modular Application

• Use jdeps to determine dependencies and identify the way to address the cyclic dependencies
• Migrate the application developed using a Java version before SE 9 to SE 11 including top-down and bottom-up migration, splitting a Java SE 8 application into modules for migration

Services in a Modular Application

• Design a service type, load services using ServiceLoader, check for dependencies of the services including consumer and provider modules
• Describe the components of Services including directives

Local Variable Type Inference

• Create and use lambda expressions with local variable type inferred parameters
• Use local variable type inference

Java Interfaces

• Create and use methods in interfaces
• Define and write functional interfaces

Lambda Expressions

• Use primitive and binary variations of base interfaces of java.util.function package
• Create and use lambda expressions
• Use lambda expressions and method references
• Use built-in functional interfaces including Predicate, Consumer, Function, and Supplier

Lambda Operations on Streams

• Perform calculations using count, max, min, average, and sum stream operations
• Sort a collection using lambda expressions
• Use the Optional class
• Use Collectors with streams, including the groupingBy and partitioningBy operation
• Search stream data using search findFirst, finding, any match, all match, and non-match methods
• Extract stream data using a map, peek, and flatMap methods

Parallel Streams

• Implement decomposition and reduction with streams
• Develop the code that uses parallel streams

Java File I/O (NIO.2)

• Use the Path interface to operate on file and directory paths
• Use Files class to check, delete, copy, or move a file or directory
• Use Stream API with Files

Language Enhancements

Use the try-with-resources construct Develop code that handles multiple Exception types in a single catch block

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Reference: https://education.oracle.com/upgrade-ocp-java-6-7-8-to-java-se-11-developer/pexam_1Z0-817

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