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

Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.

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.

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:

• Use generics, including wildcards
• Use Java Streams to filter, transform and process data
• Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
• Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
• Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
• 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
• Sort collections and arrays using Comparator and Comparable interfaces

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

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

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

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

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