Fast Track to Core Java Programming for Object Oriented Developers (TT2104-J11)

4 Days

24 CPD hours

This is an introductory-level Java programming course, designed for experienced developers who wish to get up and running with Java, or who need to reinforce sound Java coding practices, immediately.

Working in a hands-on learning environment, guided by our expert team, attendees will learn to:
Understand not only the fundamentals of the Java language, but also its importance, uses, strengths and weaknesses
Understand the basics of the Java language and how it relates to OO programming and the Object Model
Learn to use Java exception handling features
Work with the Modular system (Project Jigsaw)
Understand and use classes, inheritance and polymorphism
Understand and use collections, generics, autoboxing, and enumerations
Process large amount of data using Lambda expressions and the Stream API
Abstract, static and private methods in interfaces
Take advantage of the Java tooling that is available with the programming environment being used in the class
Specific Java 11 features covered: Using the Local Variable Type in Lambda expressions; Updates made to the String AP
Time Permitting: Quick look ahead - Java 12, Java 13, Java 14 and Beyond

If you're an experienced OO developer (coming from a C# or C++ background, etc.) who needs to transition to programming in Java, this fast-paced, hands-on course will get you there quickly. Fast Track to Java Programming for OO Experienced Developers is a four-day, lab-intensive class where you'll quickly be immersed in working with the latest Java 11 programming techniques, using best practices for writing solid, robust (and well-written!) modern object-oriented applications. In addition to learning excellent, current coding skills in Java, you'll explore the new improved features for better performance and new capabilities for addressing rapid application development that Java 11 brings to the table.
This course includes several key aspects that were introduced in Java 9, Java 10, and Java 11 including the Java Modular System, Local Variable Type Inference, and several API updates. This course also includes a Quick Look at what?s next in Java ? Java 12, Java 13, Java 14 and beyond.

The Java Platform

• Java Platforms
• Lifecycle of a Java Program
• Responsibilities of JVM
• Documentation and Code Reuse

Using the JDK

• Setting Up Environment
• Locating Class Files
• Compiling Package Classes
• Source and Class Files
• Java Applications

The Eclipse Paradigm

• Workbench and Workspace
• Views
• Editors
• Perspectives
• Projects

Writing a Simple Class

• Classes in Java
• Class Modifiers and Types
• Class Instance Variables
• Primitives vs. Object References
• Creating Objects

Adding Methods to the Class

• Passing Parameters into Methods
• Returning a Value from a Method
• Overloaded Methods
• Constructors
• Optimizing Constructor Usage

Language Statements

• Operators
• Comparison and Logical Operators
• Looping
• Continue and Break Statements
• The switch Statement
• The for-each() Loop

Using Strings

• Create an instance of the String class
• Test if two strings are equal
• Get the length of a string Parse a string for its token components
• Perform a case-insensitive equality test
• Build up a string using StringBuffer
• Contrast String, StringBuffer, and StringBuilder

Specializing in a Subclass

• Extending a Class
• Casting
• The Object Class
• Default Constructor
• Implicit Constructor Chaining

Fields and Variables

• Instance vs. Local Variables:
• Usage Differences
• Data Types
• Default Values
• Block Scoping Rules
• Final and Static Fields
• Static Methods

Using Arrays

• Arrays
• Accessing the Array
• Multidimensional Arrays
• Copying Arrays
• Variable Arguments

Local-Variable Type Inference

• Type inference
• Infering Types of Local Variables
• The var Reserved Type name
• Benefits of Using var
• Backward Compatibility

Java Packages and Visibility

• Class Location of Packages
• The Package Keyword
• Importing Classes
• Executing Programs
• Visibility in the Modular System
• Java Naming Conventions

Inheritance and Polymorphism

• Polymorphism: The Subclasses
• Upcasting vs. Downcasting
• Calling Superclass Methods from Subclass
• The final Keyword

Interfaces and Abstract Classes

• Separating Capability from Implementation
• Abstract Classes
• Implementing an Interface
• Abstract Classes vs. Interfaces

Introduction to Exception Handling

• Exception Architecture
• Throwing Exceptions
• Checked vs. Unchecked Exceptions

Exceptions

• Handling Multiple Exceptions
• Automatic Closure of Resources
• Creating Your Own Exceptions

Utility Classes

• Wrapper Classes
• Autoboxing/Unboxing
• Enumeration Syntax
• Using Static imports

Introduction to Generics

• Generics and Subtyping
• Bounded Wildcards
• Generic Methods
• Legacy Calls to Generics
• When Generics Should Be Used

Lambda Expressions and Functional Interface

• Lambda Expression Syntax
• Functional Interfaces
• Type Inference in Java 8
• Method references

Collections

• Characterizing Collections
• Collection Interface Hierarchy
• The Set, List and Queue Interfaces
• Map Interfaces

Using Collections

• Collection Sorting
• Comparators
• Using the Right Collection
• Lambda expressions in Collections

Streams

• Processing Collections of data
• The Stream interface
• Reduction and Parallelism
• Filtering collection data
• Sorting Collection data
• Map collection data
• Find elements in Stream
• Numeric Streams
• Create infinite Streams
• Sources for using Streams

Collectors

• Creating Collections from a Stream
• Group elements in the Stream
• Multi-level grouping of elements
• Partitioning Streams

Introduction to the Module System

• Introduce Project Jigsaw
• Classpath and Encapsulation
• The JDK internal APIs
• Java 9 Platform modules
• Defining application modules
• Define module dependencies
• Implicit dependencies
• Implied Readability
• Exporting packages

Java Date/Time

• The Date and Calendar classes
• Introduce the new Date/Time API
• LocalDate, LocalDateTime, etc.
• Formatting Dates
• Working with time zones
• Manipulate date/time values

Java 12 and beyond

• Provide an overview of changes since Java 11
• Introduce Preview Features
• Records (Java 14)
• Switch Expressions (Java 12, Java 13, Java 14)
• Text Blocks (Java 13, Java 14)
• Helpful NullPointerExceptions (Java 14)
• Pattern Matching for instanceof (Java 14)

Additional course details:

Nexus Humans Fast Track to Core Java Programming for Object Oriented Developers (TT2104-J11) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward.