Java Programming 2 / Java Advanced Developer

Course Code: JAVA2

Duration: 5 days

 
 

Java Programming 2 / Java Advanced Developer Course Overview.

Modern Java code extends well beyond object orientation and the associated principles. This hands-on course, delivered using Java 11, endeavours to provide a grounding in advanced topics including generics, functional programming, concurrency, annotations, reflection, and security (among others).

This course assumes you are familiar with the fundamentals of the Java language including object oriented principles, and that you can build simple applications. If not, you should consider our Java Programming 1 / Java Developer course instead.

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

Course Objectives

This course aims to provide the delegate with the skills needed to build and/or maintain Java applications that exploit advanced features. It also serves as good preparation for developers seeking to contribute to enterprise level applications built with Java EE/Jakarta EE/Spring or similar.

Who will the Course Benefit?

The Java Programming 2 / Java Advanced Developer course is aimed at existing Java developers who are seeking to build on their knowledge of the fundamentals so as to make full use of the language's advanced features.

Skills Gained

The delegate will learn and acquire skills as follows:

  • Make use of and code generic classes and methods
  • Characterise the various collection types and make use of the standard implementations
  • Correctly implement hashCode and equals, and compareTo/compare
  • Code instance and static, and named and anonymous inner classes
  • Define and code lambda expressions and method references where appropriate
  • Define and characterise functional programming; describe the assoc. challenges in Java
  • Code a stream for the purpose of transforming a collection
  • Make use of custom exceptions and assertions; localise an application
  • Migrate an existing application to a modular one and create services
  • Create and spawn threads safely for the purpose of improving application performance
  • Read from and write to files using classes in both java.io and java.nio packages
  • Define annotations, make use of standard ones and create custom ones
  • Describe the purpose of reflection and write code to extract information about existing code
  • Code objects securely, handle sensitive data properly, and prevent common attacks

Java Programming 2 / Java Advanced Developer Training Course

Course Introduction

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

Session 1: GENERICS

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

Session 2: 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 3: hashCode, equals & 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 Programming 2 / Java Advanced Developer Training Course

Session 4: NESTED CLASSES

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

Session 5: 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 6: FUNCTIONAL PROGRAMMING

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

Session 7: 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

Java Programming 2 / Java Advanced Developer Training Course

Session 8: EXCEPTIONS, ASSERTIONS & LOCALISATION

  • Exceptions (a review)
  • Custom exceptions
  • Try with resources
  • Assertions
  • Dates and times
  • Internationalisation and localisation
  • Resource bundles

Session 9: MODULAR APPLICATIONS

  • Modules (a review)
  • Module types
  • Analysing dependencies
  • Migrating an existing application
  • Creating a service

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

Java Programming 2 / Java Advanced Developer Training Course

Session 10 (Continued): CONCURRENCY

  • ExecutorService, thread pools, Callable, and Future
  • Concurrent and immutable collections
  • Parallel streams

Session 11: I/O

  • Files and directories
  • I/O streams
  • Common operations
  • Binary data, character data, and serialisation
  • Console I/O

Session 12: NIO.2

  • What is NIO?
  • Paths
  • Manipulating the filesystem
  • File attributes
  • Listing, traversing, and searching a directory

Java Programming 2 / Java Advanced Developer Training Course

Session 13: ANNOTATIONS

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

Session 14: REFLECTION

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

Session 15: SECURITY

  • Securing objects
  • Injection and input validation
  • Handling confidential information
  • Serialising and deserialising objects
  • Sensitive objects
  • Preventing denial of service attacks
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.

Examinations

This Java Programming 2 / Java Advanced Developer course is an excellent choice for delegates preparing to take the following Oracle Java 8 exam:

  • Oracle Certified Professional (OCP) Java SE 8 Programmer II: 1Z0-809

This Java Programming 2 / Java Advanced Developer course together with the Java Programming 1 / Java Developer course is an excellent choice for delegates preparing to take the following Oracle Java 11 exam:

  • Oracle Certified Professional (OCP) Java SE 11 Developer: 1Z0-819

Attending these courses and studying the associated reference material can form part of the preparation to achieve certification. Experience, practice, self-study and aptitude are also key requirements for exam success.

Before taking any exam, ensure you have the recommended experience. The Oracle website lists all exam requirements and these are updated regularly.

Exams are not included as part of the course.

Requirements

Delegates attending this course should be familiar with the fundamentals of the Java language including object oriented principles, and should be able to build simple applications. This knowledge can be obtained by attendance on the pre-requisite Java Programming 1 / Java Developer course.

Pre-Requisite Courses

Course Reviews

Well thought out course. Enjoyed that the requirements/parts for the Exam activity developed as I was taught new concepts. All concepts on the course were explained well as were answer to questions delegates asked.

Chadley - Pharmaceuticals - March 2022


Best lecturer I've ever had. Brilliant paced and brilliantly presented. Hope future training courses have Stuart as a lecturer.

Owen - Software developer - Government - October 2021


Fantastic depth and breath of content. Well delivered, great training exercises. Highly recommended.

Adam - Java Developer - August 2021


Great course which was explained in a manner which made it simple to follow!

Lewis


Stuart explained high level concepts of Java brilliantly and concisely and the practical work was engaging and allowed for practice of what was taught very well.

Edward - Software Engineer


Great course thoroughly enjoyed, Stuart remained engaging throughout. Well done

lewis - Software Engineer


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