Java Intermediate - one day

Knowledge about Java langauge and OOP. Participatns needs to know packages, control flows and loops, basic concrete classes and basic interfaces.

Participants who are already Java programmers who want to extend their horizon and used more Java language concepts.

Review

• Inheritance and Intefances
• Object References vs Inheritence
• Polymorphism
• Interface Static and Default Methods
• Collections and Generics
• Generics (Inheritance, Wildcards)
• Writing Generic Types

Design Patterns

• Object Creation
• Static methods and fields
• new Operator
• Creation Patterns
• Inheritance vs Composition / Pros and Cons
• Composite Pattern
• Inner Classes

Reflection

• The class called Class
• Finding Fields, Methods, and Constructors
• Accessing Fields, Invoking Methods
• Examining Arrays

Annotations

• Annotations in the Java API (@Override, @Deprecated)
• Defining Annotations

Functional Programming

• Lambda Expression Overview
• Lambda Expressions and Functional Interfaces
• Using Lambda Expressions
• Working with Method References

The Stream API

• Streams and Collections
• Filtering Collections
• Chaining and Pipelining

Date/Time API

• Legecy APIs
• The Date/Time API (JSR 310)
• Date-Based and Time-Based Events
• Timestamps, Periods, and Durations
• Performing Calculations
• Formatting
• Localization / Time Zones

JUnit Basics

• JUnit Overview, Test Driven Development
• Tests and Assertions
• Working With Exceptions
• Organizing Tests with JUnit
• Writing Fixtures - @Before, @After
• Test Suites, and Other Capabilities
• Mock Objects Overview

Build Tools

• Ant Overview
• Maven Overview