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

Oracle 1Z0-817: Upgrade OCP Java 6, 7 & 8 to Java SE 11 Developer Exam is designed for candidates who have knowledge and skills in Java Programming or candidates who willing to have a strong understanding of Java coding can go ahead and appear for this exam. With consistent preparation, there is also another aspect of acing the examination - proper time scheduling. Much like any other examinations, the Upgrade Java 11 OCP assessment provides the enrolled candidate a limited duration for completing the examination. Considering the depth of the questions asked in the examination, you must adapt yourself to the restrictions that the assessment places on you. The most effective method for doing the same is to regularly take the relevant 1z0-817 practice test.

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

Migration to a Modular Application

• 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
• Use jdeps to determine dependencies and identify the way to address the cyclic dependencies

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

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

Java Interfaces

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

Lambda Expressions

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

Lambda Operations on Streams

• Use the Optional class
• Sort a collection using lambda expressions
• Perform calculations using count, max, min, average, and sum stream operations
• Extract stream data using a map, peek, and flatMap methods
• 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

Parallel Streams

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

Java File I/O (NIO.2)

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

Language Enhancements

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

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

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