Modern Java: The Good Parts Course

Course Summary

This course covers the new language features and provides a firm grounding in key library APIs added in these versions of Java SE. A majority of Java programmers learn and use a solid core of the language that is composed mainly of features of Java from versions 5 and 6, however, the language and its libraries undergo continuous improvement, and these are often overlooked resulting in code that could easily be improved, and made easier to maintain

The course begins with learning the improvements in exception handling of Java 7, syntax and usage of lambda expressions and other Java 8 features such as method references, and understanding how to use them effectively in their designs. Next, the course explores the module system added at Java 9, and the var pseudotype that introduced local variable type inferencing in Java 10. The course concludes with a lesson on the switch expression syntax that shows up as a preview in Java 12, and how to use it.

While this course can be attended by beginners through advanced Java developers, a basic understanding and experience with Java are recommended. Hands-on exercises and labs will be provided throughout the course to reinforce learning.

Purpose

Learn a solid understanding of modern programming using the most important features of Java 7 through 13.

Audience

Developers and developer teams needing to learn Modern Java.

Role

Software Developer

Skill Level

Intermediate

Style

Workshops

Duration

3 Days

Related Technologies

Java

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Productivity Objectives:

Make appropriate use of new language features from versions of Java from 7 through 13.
Write code that executes concurrently using parallel streams.
Write code that executes concurrently using CompletableFuture.
Create and use well-encapsulated libraries by using the Java Platform Module System.

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Real-World Content

Project-focused demos and labs using your tool stack and environment, not some canned "training room" lab.
Expert Practitioners

Industry experts with 15+ years of industry experience that bring their battle scars into the classroom.
Experiential Learning

More coding than lecture, coupled with architectural and design discussions.
Fully Customized

One-size-fits-all doesn't apply to training teams. That's where we come in!

What You'll Learn

In the Modern Java: The Good Parts training course, you'll learn:

Java 7
- Enhanced numeric literals
- Strings in switch Statements
- The try-with-resources Statement
- Multi-catch and rethrowing improvements
- Diamond operator type inferencing
- ThreadLocalRandom
Java 8
- Lambda and method reference expressions
- Static and default methods in interfaces
- Stream API
- Parallel operations, parallel streams and parallel array sorting
- New Date/Time API
- Completable future
Java 9
- JPMS — the module system
  - Concepts and intent
  - Module directives: exports and requires
  - Module directives: open and opens
  - Defining and providing services in the module system
  - The Service loader
- Private interface methods
- Using final resources in try-with-resources
- Immutable collection factories
- RxJava
Java 10 & 11
- Local variable type inferencing; the var pseudo-type
- Lambda parameters with the var pseudo-type
- HTTP 2.0 Client
Java 12 & 13
- Switch expressions (experimental in Java 12, expected in Java 13)