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