Modern Java - Learn Java 8 Features By coding it

Learn Functional programming using Lambdas, Streams , new Date APIs, Optionals in Java 8 by coding it.

What you'll learn:

• Learn Functional programming in Java
• Complete understanding of Lambdas, Streams , Optional via code.
• Students will be able to implement the new Java 8 concepts in real time
• Learn to build complex Streams Pipeline.
• Learn the new Date/Time Libraries in Java 8
• Learn to use Method Reference , Constructor reference syntax.
• Learn and understand Parallel Programming with the Streams.
• Student will be able to upgrade their Java knowledge with the new Functional Features.
• This course will be continuously updated.

Learn the new Java 8 Features by coding it,This is a pure coding course and you will get a complete understanding of all the Java 8 features by coding it

Why Should I take this course ?

• This course will help the Java developers to build their knowledge on the new Java 8 features

• All the new features such as Lambdas, Streams , Optionals, Functional Interfaces and Parallel Programming will be explained via code

• This course will give you the confidence on implementing new Java 8 features in real Java projects

• By the end of this course you will have a complete understanding of new Java 8 functional features

Course Overview :

Section 1 - Getting Started:

• This section explains about what will be covered in this course

Section 2 - Why Java-8 ?:

• This section covers Why Java 8 is important?

• This section explains about difference between Imperative Programming and Declarative Programming

Section 3 - WorkSpace Setup - Mac/Windows:

• This section covers the installation of Java and IntelliJ in Mac and Windows

Section 4: Introduction to Lambda

• This section covers the Why Lambda is needed , Lambdas Syntax and How to implement Lambdas ?

• Implement the Runnable interface using Lambdas

• Implement the Comparator interface using Lambdas

Section 5: Lambdas and Functional Interfaces

• This section covers the new Functional Interfaces that got introduced as part of Java 8

  • Consumer Functional Interface

  • Predicate Functional Interface

  • Function Functional Interface

  • Supplier Functional Interface

Section 6 : Constructor and Method References

• This section covers the new Method Reference and the Constructor Reference

  • How Method Reference simplifies the code

  • How to use Method reference along with Lambdas

  • How to use Constructor Reference to create new objects

Section 7 : Lambdas and Local variables ( Effectively Final )

• This section covers the local variable and how it should used in Lambdas

• Definition of Effectively Final scope of a variable

Section 8 : Streams API

• This section covers the Streams API which is one of the important feature that got introduced as part of Java8

• How the Stream API Works Internally ?

• How Collections are different from Streams ?

• How to debug a Stream ?

Section 9 : Streams API Operations

• This section covers different Streams API operations that can be used in Streams to achieve an objective

• Streams Operations such as :

  • map()

  • flatMap()

  • distinct()

  • count()

  • filter()

  • reducer()

  • Map, Filter and Reduce pattern

  • max()

  • min()

  • limit()

  • skip()

  • allMatch(), anyMatch() and noneMatch()

  • findAny() and findFirst()

• Explanation of Stream operations that are Short Circuit operations

Section 10 : Streams API - Factory Methods

• This section covers different Streams API factory method that can be used to create Streams

Section 11: Numeric Streams

• This section covers the Introduction to Numeric Streams which can be used to perform some numeric related operations

Section 12: Terminal Operations Streams

• This section covers different way to collect the data from the Streams Pipeline

• Terminal Operations such as :

  • joining()

  • counting()

  • mapping()

  • max(), min()

  • sum()

  • average()

  • groupingBy()

  • partitioningBy()

Section 13: Streams API - Parallel Processing

• This section covers how to perform the Parallel processing using Streams

• How Parallel Programming makes use of the processors in your machine to perform concurrency operations?

• How Parallel Programming works internally ?

• How to check the performance between the sequential and parallel programming ?

• Scenarios when not to use parallel programming

Section 14: Optional

• This section covers What is Optional and the benefits of Optional

• How Optional can help you avoid Null Pointer exception

• Exploring the different operations that are part of Optional such as :

  • empty()

  • ofNullable()

  • of()

  • orElse()

  • orElseGet()

  • orElseThrow()

  • isPresent()

  • ifPresent()

  • map()

  • flatMap()

  • filter()

Section 12: Streams API - Parallel Processing

• This section covers how to perform the Parallel processing using Streams

• How Parallel Programming makes use of the processors in your machine to perform concurrency operations?

• How Parallel Programming works internally ?

• How to check the performance between the sequential and parallel programming ?

• Scenarios when not to use parallel programming

Section 12: Optional

• This section covers What is Optional and the benefits of Optional

• How Optional can help you avoid Null Pointer exception

• Exploring the different operations that are part of Optional such as :

  • empty()

  • ofNullable()

  • of()

  • orElse()

  • orElseGet()

  • orElseThrow()

  • isPresent()

  • ifPresent()

  • map()

  • flatMap()

  • filter()

Section 12: New Date/Time Libraries

• This section covers new Date/Time Libraries such as LocalDate, LocalTime, LocalDateTime

• How to find the difference between the LocalDate, LocalTime and LocalDateTime using Period, Duration

• How to represent the time in the Machine Readable Format using Instant

• How to use the TimeZone using the ZonedDateTime

• How to Format the Date using the DateTimeFormatter

  
  

  
  

By the end of this course you will have a complete understanding of all the Java 8 features and implement it in real Java projects