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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps pdf:

• Sort collections and arrays using Comparator and Comparable interfaces
• Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
• Use generics, including wildcards
• Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
• Use a Java array and List, Set, Map and Deque collections, including convenience methods
• Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
• Use Java Streams to filter, transform and process data
• Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package

Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps:

• Utilize polymorphism and casting to call methods, differentiate object type versus reference type
• Connect to and perform database SQL operations, process query results using JDBC API Annotations
• Create and use subclasses and superclasses, including abstract classes
• Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
• Create and use enumerations
• Create, apply, and process annotations
• Initialize objects and their members using instance and static initialiser statements and constructors
• Declare, use, and expose modules, including the use of services
• Understand variable scopes, apply encapsulation and make objects immutable
• Implement serialization and deserialization techniques on Java objects
• Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
• Define and use fields and methods, including instance, static and overloaded methods
• Deploy and execute modular applications, including automatic modules
• Handle file system objects using java.nio.file API
• Read and write console and file data using I/O Streams

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy

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To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.

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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in ORACLE 1Z0-006 exam dumps:

• Working with Arrays and Collections
• Java Platform Module System
• Working with Java data types
• Database Applications with JDBC
• Annotations
• Java I/O API
• Java Object-Oriented Approach

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