Turingfly / java8-learning

Learn Java 8 by reviewing OCA and OCP

Java8 learning

Preparation for Oracle® Certified Professional Java® SE 8 Programmer II

Table of Contents

• Advanced Class Design
• Design Patterns and Principles
• Generics and Collections
• Functional Programming
• Dates, Strings, and Localization
• Exceptions and Assertions
• Concurrency
• IO
• NIO.2
• JDBC

Advanced Class Design

• Anonymous Inner Class
  
• Hash Code
  
• Local Inner Class
  
• Member Inner Class
  
• Polymorphism
  
• Static Nested Class

Design Patterns and Principles

• Builder Pattern
  
• Composing Objects
  
• Define Functional Interface
  
• Desing Interface
  
• Extend Interface
  
• Factory Pattern
  
• Immutable Object
  
• Implementing Functional Interfaces With Lambdas
  
• Implementing Polymorphism
  
• One Object Take Many Different Forms
  
• Singleton Pattern1
  
• Singleton Pattern2
  
• Singleton Pattern3
  

Generics and Collections

• Array and ArrayList
  
• Comparing Multiple Fields
  
• Generic Bound
  
• Generic Class
  
• Generic Interface
  
• Searching and Sorting
  
• Using Comparable
  
• Using Comparable1
  
• Using Comparator
  
• Using List
  
• Using Map
  
• Using Queue
  
• Using Set
  
• Wrapper Classes and Autoboxing
  

Functional Programming

• Built-in Functional Interfaces
  
• Returning an Optional
  
• Stream Common Intermediate Oprations
  
• Stream Common Terminal Operations
  
• Stream Sources
  
• Stream Working with Primitives
  
• Using Variables in Lambdas
  
• Working with Advanced Stream Pipeline Concepts
  

Dates, Strings, and Localization

• Dates and Times
  
• Formatting Dates and Times
  
• Formatting Numbers
  
• Internationalization and Localization
  

Exceptions and Assertions

• Assertions
  
• Calling Methods that Throw Exceptions
  
• Catching Various Types of Exceptions
  
• Common Exception Types
  
• Creating Custom Exceptions
  
• Exception Intro
  
• Nested Exception
  
• Try with Resources
  
• Using Multi-Catch
  

Concurrency

• Creating Threads with the ExecutorService
  
• Identifying Threading Problems
  
• Introducing Threads
  
• Managing Concurrent Processes
  
• Synchronizing Data Access
  
• Using Concurrent Collections
  
• Working with Parallel Streams
  

IO

• File Class
  
• Iteracting with Users
  
• Streams
  
• Streams Continue
  

NIO.2

• Creating Paths
  
• Interacting with Paths and Files
  
• New Stream Methods
  
• Understanding File Attributes
  

JDBC

• Connecting a DataBase