Oracle Java SE 11 Developer : 1Z0-819

  • Exam Code: 1Z0-819
  • Exam Name: Java SE 11 Developer
  • Updated: Jun 01, 2026
  • Q & A: 297 Questions and Answers

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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:

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

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

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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:

  • Utilize polymorphism and casting to call methods, differentiate object type versus reference type
  • Secure resource access including filesystems, manage policies and execute privileged code
  • Create and use enumerations
  • Understand variable scopes, apply encapsulation and make objects immutable
  • Define and use fields and methods, including instance, static and overloaded methods
  • Create and use subclasses and superclasses, including abstract classes
  • Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
  • Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
  • Initialize objects and their members using instance and static initialiser statements and constructors
  • Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity

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