Java Advanced Developer
 
 

Java Advanced Developer

Course Code: JAVAADVDEV

Duration: 5 days

This is our new - Java Advanced Developer - course
If you need advanced Java training before the date indicated please check out our current Java 2 Programming course, further details can be found here....

Our training courses can also be delivered at a location of your choice...

S5

Java Advanced Developer Course Overview

This course, delivered using Java 11, is designed for existing Java developers whom are comfortable with the fundamentals and who want to take the next step. We'll have you build a series of realistic apps that exploit the more complicated language elements and APIs including generics, lambda expressions and methods references, streams, concurrency, asynchronous and reactive programming, non-blocking IO, and reflection.

Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.

The delegate will learn and acquire skills as follows:

  • Work with a build tool
  • Configure and apply logging
  • Make sense of and construct generic classes and methods
  • Differentiate between the different types of Collection and Map; choose and use a collection/map appropriately
  • Correctly override hashCode and equals, and compareTo/compare
  • Code and use nested classes
  • Code lambda expressions and method references
  • Define and describe functional programming; make sense of Java's functional interfaces
  • Transform collections using streams with lambdas and method references
  • Produce robust multithreaded code using Executors, synchronisation techniques, concurrent and immutable collections, and parallel streams
  • Exploit CompletableFuture to code asynchronously
  • Define and describe reactive programming; code with Observables using RxJava
  • Read from and write to files in a non-blocking manner
  • Read from and write to a URL/socket; code a custom multithreaded/non-blocking server
  • Declare custom annotations
  • Perform introspection using Java's reflection API

Who will the Course Benefit?

The Java Advanced Developer course is aimed at existing Java developers seeking to take the next step beyond the fundamentals. It may also be of value for those developers migrating to Java from another language, and who feel they need not do a course covering the fundamentals.

Course Objectives

This course aims to provide the delegate with the skills needed to build complex and modern Java apps by exploiting techniques such as concurrency, and functional and reactive programming.

Examinations

Whilst not strictly aligned to it, this course is a good choice for anyone intending to take Oracle's Java SE 11 Programmer II exam. Most of the headline exam topics are covered though additional preparation is likely to be required.

Requirements

Delegates attending this course should be Java developers with a good grasp of the fundamentals. This knowledge can be obtained by attendance on the pre-requisite Java Developer course. Developers familiar with another similar OO language may be suitable candidates but should carefully examine the objectives listed in the prerequisite Java Developer course.

Pre-Requisite Courses

Follow-On Courses

Notes:
  • Course technical content is subject to change without notice.
  • Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.


 

Course Contents

Java Advanced Developer Training Course

Course Introduction

  • Administration and Course Materials
  • Course Structure and Agenda
  • Delegate and Trainer Introductions

Session 1: BUILD TOOLS

  • What is a build tool
  • Maven
    • Archetypes
    • Directory structure
    • The POM
    • Dependencies
    • RepositoriesLifecycles, phases, and goals
    • Profiles
    • Plugins

Session 2: LOGGING

  • The Logger
  • Logger hierarchy
  • Log levels
  • Formatters
  • Filters
  • Appenders
  • Log4j2
  • Logback
  • SLF4J

Session 3: GENERICS

  • Generic types
  • Generic methods
  • Bounded type parameters
  • Generics and inheritance
  • Type inference
  • Wildcards
  • Type erasure
  • Restrictions

Session 4: COLLECTIONS

  • The Collection interface hierarchy
  • Iterable and Iterator
  • Collection operations and traversal
  • The Collections class
  • Collection types (characteristics and implementations) incl. List, Set, and Queue
  • The Map interface hierarchy
  • Map operations and traversal
  • Map types (characteristics and implementations)

Session 5: hashCode & equals AND compareTo/compare

  • The Object class
  • Overriding toString
  • Equality and membership testing
  • Hashing collections
  • Overriding hashCode and equals
  • The Comparable and Comparator interfaces
  • Searching and sorting
  • Overriding compareTo and compare

Java Advanced Developer Training Course

Session 6: NESTED CLASSES

  • Static nested classes
  • Inner classes
  • Shadowing
  • Local classes
  • Anonymous classes
  • Variable capture and effectively final

Session 7: LAMBDA EXPRESSIONS & METHOD REFERENCES

  • What is a lambda expression
  • Lambda use case: collection filter
  • Lambda syntax
  • What is a method reference
  • Method reference use case: collection sort
  • Method reference types x 4

Session 8: FUNCTIONAL PROGRAMMING

  • What is functional programming
  • Functions as first class objects
  • Pure functions
  • Higher order functions
  • Immutable objects
  • Java's functional interfaces
  • Functional composition

Java Advanced Developer Training Course

Session 9: STREAMS

  • What is a stream
  • Obtaining/creating a stream
  • Intermediate (non-terminal) operations
  • Terminal operations
  • The Optional class
  • The Collectors class
  • Stream concatenation
  • Primitive streams

Session 10: CONCURRENCY

  • Low-level threading incl. Runnable, sleep, join
  • The Java memory model
  • Threading problems incl. race conditions, deadlock, and starvation
  • Immutable objects and ThreadLocal
  • Thread synchronization incl. volatile, synchronized, atomic data types, and locks
  • ExecutorService, thread pools, Callable, and Future
  • The fork join framework
  • Concurrent and immutable collections
  • Parallel streams

Java Advanced Developer Training Course

Session 11: ASYNCHRONOUS & REACTIVE PROGRAMMING

  • Asynchronous vs. concurrent programming
  • CompletableFuture
    • Executing tasks asynchronously
    • Chaining tasks (synchronously or asynchronously)
    • Specifying callbacks
    • Combining futures
    • Exception handling
  • What is reactive programming?
  • A note about the Flow API
  • RxJavai>
    • Creating and subscribing to an observable
    • Transformaing, filtering, and combining observables
    • Applying back pressure
    • Other observable operators
    • Singles
    • Subjects
    • Schedulers

Session 12: NON-BLOCKING IO

  • What is non-blocking IO?
  • Channels and buffers
  • Scatter/gather
  • Channel-to-channel transfer
  • Selectors
  • FileChannel
  • Pipes

Java Advanced Developer Training Course

Session 13: NETWORKING

  • Reading from and writing to a URL
  • Reading from and writing to a socket
  • Multithreaded ServerSocket
  • Non-blocking ServerSocket

Session 14: ANNOTATIONS

  • What is an annotation?
  • Form and application
  • Standard annotations
  • Declaring an annotation

Session 15: REFLECTION

  • What is reflection?
  • Modules, classes, constructors, fields, and methods
  • Private members
  • Annotations
  • Generics and arrays
  • Dynamic proxies
  • Dynamic class loading
 

Java Advanced Developer

Duration: 5 days

RRP: £1,795.00 exc. VAT 


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