Modern Java: Mastering Features from Java 8 to Java 21 | Udemy [Update 12/2024]
English | Size: 4.75 GB
Genre: eLearning[/center]

"Master Java 8 to Java 21: Functional Programming, Records, Sealed Classes, Pattern Matching, and more through hands-on.

What you'll learn
Learn Java 8, Java ll, Java 17, Java 21 Features by coding it.
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.
LVTI, TextBlocks, Enhanced Switch, Record Classes
Learn Pattern Matching to write concise and structured code
Use Sealed Class to apply controlled Inheritance
Java Platform Module System(JPMS) and its benefits
All the new features in Modern Java

[ Major Update : Complete Course updated on December 2024 ]

Learn the new Java 8, Java ll, Java 17, Java 21 Features by coding it,This is a pure coding course and you will get a complete understanding of all the Java 8, Java ll, Java 17, Java 21 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 13: 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 14: 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

Section 15: Local Variable Type Inference (LVTI) using var

In this section, we will code and learn about the LVTI feauture to simply local variable declaration using type inference.

Section 16: Text Blocks

In this section, we will code and learn about the TextBlocks which enhances the power of String in Java.

Section 17: Enhanced Switch

In this section, we will code and learn about the new Switch which is an expression.

Switch - as an Expression

Multiline switch expression using "yield"

Enhanced Switch are exhaustive

Section 18 : Records

In this section, we will code and explore the record classes concept in Modern Java.

Records Classes

Custom Constructors and Validations in Record Classes

Object Equality in Record Clases

Section 19  : Pattern Matching

In this section, we will code and learn about pattern matching.

Introduction to Pattern Matching

Record Patterns - Pattern Matching on Records

Guarded Patterns

Section 20 : ChekoutService Application [ Real Time Usecase]

In this section, we will implement a realtime application using all the modern java concepts that we have learned so far.

Section 21 : Simple Web Server

In this section, I will give you a demonstration of jwebserver and how it serves the files and folders as resources.

Section 22 : New Http Client

In this section, we will code and explore the new HTTP Client that has support for HTTP2/Websockets.

New HttpClient - GET Request to retrieve movie by ID

JUnit test for the HTTP Client

Build HTTPClient in Asynchronous mode

Build HTTP Client - GET Request to Retrieve AllMovies

Section 23 : Java Platform Module System (JPMS)

In this section, we will code and learn about how to build java application using JPMS or modules.

Introduction to JPMSBuild a Java app using JPMS

Working with Multiple Modules

Working with Multiple Modules - Transitively

Unnamed Modules and Automatic Modules

By the end of this course you will have a complete understanding of all the Java 8, Java ll, Java 17, Java 21  features and implement it in real Java projects

Who this course is for:
Anyone willing to learn the new Java Features like Lambdas, Streams, Parallel Programming, New Data Time Libraries and etc.,
Java developers who would like to take their knowledge to the next level to write more concise and readable code

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