The Java Platform

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

Using the JDK

• Explain the JDKs file structure
• Use the command line compiler to compile a Java class
• Use the command line Java interpreter to run a Java application class

The IntelliJ Paradigm

• Introduce the IntelliJ IDE
• The Basics of the IntelliJ interface
• IntelliJ Projects and Modules
• Creating and running Java applications

Writing a Simple Class

• Write a Java class that does not explicitly extend another class
• Define instance variables for a Java class
• Create object instances
• Primitives vs Object References
• Implement a main method to create an instance of the defined class

Adding Methods to the Class

• Write a class with accessor methods to read and write instance variables
• Write a constructor to initialize an instance with data
• Write a constructor that calls other constructors of the class to benefit from code reuse
• Use the this keyword to distinguish local variables from instance variables

Object-Oriented Programming

• Real-World Objects
• Classes and Objects
• Object Behavior
• Methods and Messages

Inheritance, Abstraction, and Polymorphism

• Encapsulation
• Inheritance
• Method Overriding
• Polymorphism

Essential Java Programming

• Essential Java Programming

Language Statements

• Arithmetic operators
• Operators to increment and decrement numbers
• Comparison operators
• Logical operators
• Return type of comparison and logical operators
• Use for loops
• Switch Expressions
• Switch Expressions and yield

Using Strings and Text Blocks

• 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
• Compact Strings
• Text Blocks

Specializing in a Subclass

• Constructing a class that extends another class
• Implementing equals and toString
• Writing constructors that pass initialization data to parent constructor
• Using instanceof to verify type of an object reference
• Pattern matching for instanceof
• Overriding subclass methods
• Safely casting references to a more refined type

Fields and Variables

• Discuss Block Scoping Rules
• Distinguish between instance variables and method variables within a method
• Explain the difference between the terms field and variable
• List the default values for instance variables
• Final and Static fields and methods
• Local Variable type inference

Using Arrays

• Declaring an array reference
• Allocating an array
• Initializing the entries in an array
• Writing methods with a variable number of arguments

Records

• Data Objects in Java
• Introduce records as carrier of immutable data
• Defining records

Java Packages and Visibility

• Use the package keyword to define a class within a specific package
• Discuss levels of accessibility/visibility
• Using the import keyword to declare references to classes in a specific package
• Using the standard type naming conventions
• Visibility in the Java Modular System Correctly executing a Java application class
• The Java modular system
• Defining Modules

Inheritance and Polymorphism

• Write a subclass with a method that overrides a method in the superclass
• Group objects by their common supertype
• Utilize polymorphism
• Cast a supertype reference to a valid subtype reference
• Use the final keyword on methods and classes to prevent overriding

Interfaces and Abstract Classes

• Define supertype contracts using abstract classes
• Implement concrete classes based on abstract classes
• Define supertype contracts using interfaces
• Implement concrete classes based on interfaces
• Explain advantage of interfaces over abstract classes
• Explain advantage of abstract classes over interfaces
• Static, default and private methods in interfaces

Sealed classes

• Introduce Sealed classes
• The sealed and permits modifiers
• Sealed Interfaces Exception Handling

Introduction to Exception Handling

• Introduce the Exception architecture
• Defining a try/catch blocks Checked vs Unchecked exceptions

Exceptions

• Defining your own application exceptions
• Automatic closure of resources
• Suppressed exceptions
• Handling multiple exceptions in one catch
• Helpful Nullpointers
• Enhanced try-with-resources Java Developer's Toolbox

Developing applications

• Introduce the wrapper classes
• Explain Autoboxing and Unboxing
• Converting String representations of primitive numbers into their primitive types
• Defining Enumerations
• Using static imports
• Deprecating methods Advanced Java Programming

Introduction to Generics

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

Lambda Expressions and Functional Interface

• Understanding the concept of functional programming
• Writing lambda expressions
• Understanding functional interfaces

Collections

• Provide an overview of the Collection API
• Review the different collection implementations (Set, List and Queue)
• Explore how generics are used with collections
• Examine iterators for working with collections

Using Collections

• Collection Sorting
• Comparators
• Using the Right Collection
• Lambda expressions in Collections
• Bonus Topics: Time Permitting

Streams

• Understanding the problem with collections in Java
• Thinking of program solutions in a declarative way
• Use the Stream API to process collections of data
• Understand the difference between intermediate and terminal stream operations
• Filtering elements from a Stream
• Finding element(s) within a Stream
• Collecting the elements from a Stream into a List takeWhile and dropWhile intermediate operations

Collectors

• Using different ways to collect the items from a Stream
• Grouping elements within a stream
• Gathering statistics about numeric property of elements in a stream

Additional course details:

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FAQ for the Basic Java Programming for Developers New to OO (TT2120) Course

Available Delivery Options for the Basic Java Programming for Developers New to OO (TT2120) training.

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The 5 day. Basic Java Programming for Developers New to OO (TT2120) training course give you up to 30 CPD hours/structured learning hours. If you need a letter or certificate in a particular format for your association, organisation or professional body please just ask.

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In order to be successful in this course you should have incoming hands-on experience with another programming language.
This course is not for non-developers or new developers. Possible roles that may attend this course include:
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The Basic Java Programming for Developers New to OO (TT2120) training takes place over 5 day(s), with each day lasting approximately 8 hours including small and lunch breaks to ensure that the delegates get the most out of the day.

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