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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:
- Create and use subclasses and superclasses, including abstract classes
- Define and use fields and methods, including instance, static and overloaded methods
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Initialize objects and their members using instance and static initialiser statements and constructors
- Secure resource access including filesystems, manage policies and execute privileged code
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use enumerations
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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
- 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
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Use generics, including wildcards
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Sort collections and arrays using Comparator and Comparable interfaces
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Streams API | - Stream operations
|
| Topic 2: Java Class Design | - Encapsulation and Inheritance
|
| Topic 3: JDBC and Database Connectivity | - Database access
|
| Topic 4: Concurrency | - Multithreading
|
| Topic 5: Java I/O and NIO | - File handling
|
| Topic 6: Functional Programming | - Lambda Expressions
|
| Topic 7: Exception Handling | - Error handling in Java
|
| Topic 8: Generics and Collections | - Java Collections Framework
|
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