Java Training Courses London

Java Platform Overview

• Introductions
• Course Schedule
• Java Overview
• Java Platforms
• OpenJDK
• Licensing
• Java in Server Environments
• The Java Community Process



Java Syntax and Class Review

• Simple Java classes
• Java fields, constructors and methods
• Model objects using Java classes
• Package and import statements



Encapsulation and Polymorphism

• Encapsulation in Java class design
• Model business problems with Java classes
• Immutability
• Subclassing
• Overloading methods
• Variable argument methods



Java Class Design

• Access modifiers: private, protected and public
• Method overriding
• Constructor overloading
• The instanceof operator
• Virtual method invocation
• Polymorphism
• Casting object references
• Overriding Object methods



Advanced Class Design

• Abstract classes and type generalization
• The static and final modifiers
• Field modifier best practices
• The Singleton design pattern
• Designing abstract classes
• Nested classes
• Enumerated types



Inheritance with Java Interfaces

• Java Interfaces
• Types of Inheritance
• Object composition and method delegation
• Implementing multiple interfaces
• The DAO design pattern



Generics and Collections

• Generic classes and type parameters
• Type inference (diamond)
• Collections and generics
• List, set and Map
• Stack and Deque



String processing

• String manipulation with StringBuilder and StringBuffer
• Essential String methods
• Text parsing in Java
• Input processing with Scanner
• Text output and formatting
• Regular expressions with the Pattern and Matcher classes



Exceptions and Assertions

• Exceptions categories
• Standard Java Exception classes
• Creating your own Exception classes
• Using try-catch and the finally clause
• Using try-with-resources and the AutoCloseable interface
• The multi-catch feature
• Best practices using exceptions
• Assertions



I/O Fundamentals

• I/O using Java
• Reading the console input stream
• Writing to the console
• Using I/O Streams
• Chaining I/O Streams
• Channel I/O
• Reading and writing objects using Serialization



File I/O with NIO 2

• The Path interface
• The Files class
• Directory and File operations
• Managing file system attributes
• Reading, writing, and creating files
• Watching for file system changes



Threading

• Operating system task scheduling
• Recognizing multithreaded environments
• Creating multi-threaded solutions
• Sharing data across threads
• Synchronization and Deadlock
• Immutable objects



Concurrency

• Creating Atomic variables
• Using Read-Write Locks
• Thread-safe collections
• Concurrenct synchronizers (Semaphore, Phaser, and others)
• Executors and ThreadPools to concurrently schedule tasks
• Parallelism and the Fork-Join framework



Spring Framework

• Spring architecture fundamentals
• Identifying Spring application components
• Defining the n-tier application architecture



Applying Inversion of Control (IoC)and Dependency Injection (DI)

• Delegating object creation to the Spring bean factory
• Controlling bean creation with scopes and methods



Minimising Code with Aspect-Oriented Programming (AOP)

• Transparently applying common functionality
• Defining advice, pointcuts and advisors
• Minimising configuration with Autoproxying



AspectJ style AOP

• AspectJ pointcut expression language
• Applying AspectJ style with annotations



Constructing an Effective DataAccess Tier with Spring

• Simplifying data access with JDBC templates
• Streamlining runaway code with JDBC templates
• Structuring queries and callbacks for maintainability



Abstracting the Data Access Layer

• Supporting the Data Access Object (DAO) pattern
• Achieving implementation independence with platform agnostic exceptions



Managing transactions

• Analysing Java EE transaction support
• Controlling transactions with Spring transaction manager
• Declaring transaction policies with XML and annotations



Localization

• Advantages of localization
• Defining locale
• Read and set locale using the Locale object
• Resource bundles
• Format messages, dates and number