Java 8 New Features In Simple Way from Udemy

What's inside

Learning objectives

Student can learn complete picture about new features introduced as the part of java 1.8

1. lambda expressions 2. functional interfaces 3. default methods in interface 4. static methods in interfaces. 5. predicate 6. function 7. consumer 8. supplier 9. method refernce & constructor reference by double colon(::) operator. 10. stream api 11. date & time api ( joda api)

Student can learn complete picture about new features introduced as the part of java 1.8
1. lambda expressions 2. functional interfaces 3. default methods in interface 4. static methods in interfaces. 5. predicate 6. function 7. consumer 8. supplier 9. method refernce & constructor reference by double colon(::) operator. 10. stream api 11. date & time api ( joda api)

Syllabus

Introduction

Lambda Expressions & Functional Interfaces

Lambda expressions : Introduction

How to Write Lambda expressions- Part-1

How to Write Lambda expressions -Part-2

Functional Interface

@FunctionalInterface Annotation

@FunctionalInterface Annotation wrt Inheritance

Invoking Lambda Expression By using Functional Interface example-1

Invoking Lambda Expression By using Functional Interface examples-2,3,4

Invoking Lambda Expression By using Functional Interface example-5

Functional Interface,Lambda Expression Summary

Lambda Expressions with Collections

Collections Overview: List and Set

Collections Overview: Map

Comparator interface & compare method

Sorting Elements of List without Lambda Expression

Sorting Elements of ArrayList with Lambda Expression

Sorting Elements of TreeSet with Lambda Expression

Sorting Elements of TreeMap with Lambda Expression

Sorting of Our own class objects with Lambda Expression

Anonymous Inner Classes & Lambda Expressions

Anonymous Inner class vs Lambda Expression Par-1

Anonymous Inner class vs Lambda Expression Par-2

Anonymous Inner class vs Lambda Expression Par-3

Differences between Anonymous Inner class & Lambda expressions

Default Methods and Static Methods in Interfaces

Default Methods Inside Interfaces

Differences between Interface with Default Methods and Abstract classes

Static Methods inside Interfaces

Predefined Functional Interfaces -Predicate

Predefined Functional Interfaces-Predicate Part-1

Predefined Functional Interfaces-Predicate Part-2

Predefined Functional Interfaces-Predicate Part-3

Predefined Functional Interfaces-Predicate Joining

Program to display names starts with 'K' by using Predicate

Predicate Example to Remove null values and Empty String from the given List?

Program for User Authentication by using Predicate

Program to Check Whether Software Engineer is allowed into Pub or not?

Employee Management Application by using Predicate Part-1

Employee Management Application by using Predicate Part-2

Employee Management Application by using Predicate Part-3

Predicate interface isEqual() method

Predefined Functional Interfaces -Function

Predefined Functional Interfaces-Function

Program to remove spaces present in the given String by using Function

Program to find Student Grade by using Function

Progarm to find Total Monthly Salary of All Employees by using Function

Progarm to perform Salary Increment for Employees by using Predicate & Function

Function Chaining

Demo program to Demonstrate the difference between andThen() and compose()

Demo Program for User Authentication by using Function Chaining

Function interface Static Method : identity()

Predefined Functional Interfaces -Consumer

Consumer Introduction

Program to display Movie Information by using Consumer

Program to display Student Information by using Predicate,Function and Consumer

Consumer Chaining

Predefined Functional Interfaces - Supplier

Supplier Introduction

Program to get System Date by using Supplier

Program to get Random Name by using Supplier

Program to get Random OTP by using Supplier

Program to get Random Password by using Supplier

Comparison Table of Predicate,Function,Consumer and Supplier

Two-Argument (Bi) Functional Interfaces- BiPredicate, BiFunction & BiConsumer

BiPredicate

BiFunction

Creation of Student object by taking name and rollno as input with BiFunction

Calculate Monthly Salary With Employee and TimeSheet By using BiFunction

BiConsumer

Demo Program to Increment Employee Salary by using BiFunction & BiConsumer

Comparison Table between One-Argument & Two-Argument Functional Interfaces

Primitive Type Functional Interfaces, UnaryOperator and BinaryOperator

Autoboxing,Autounboxing and Type Parameter

Need of Primitve Type Functional Interfaces

Primitve Type Functional Interfaces for Predicate

3 Demo Programs about Primitve Type Functional Interfaces for Function

All 15 Primitve Type Functional Interfaces for Function

Primitive Versions for Consumer

Primitive Versions for Supplier

UnaryOperator and its Primitive Versions

BinaryOperator

Primitive Versions for BinaryOperator

Method and Constructor Reference By using :: Operator

Method Reference By Double Colon(::) Operator Part-1

Method Reference By Double Colon(::) Operator Part-2

Constructor Reference By Double Colon(::) Operator

Streams

Introduction to Streams

Methods of Streams:filter() and map()

Difference between filter() and map()

Various methods of Stream Part-1

Various methods of Stream Part-2

Various methods of Stream Part-3

Various methods of Stream Part-4

Summary of Streams

Date and Time API

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Focuses on Java programming language, specifically its version 8

Helps learners become well-rounded in Java 1.8 concepts

Taught by DURGASOFT DURGA, who are recognized for their expertise in Java and related technologies

Covers new features introduced in Java 8, such as Lambda Expressions, Functional Interfaces, Streams, and Date Time API, which are essential for modern Java development

Reviews summary

Java 8 new feat simp way

This course teaches the new features of Java 8, explaining each one in detail with examples and exercises. Learners say that although the course is lengthy, the repetition helps the concepts stick in their minds. They appreciate the clear and concise explanations, the use of real-world examples, and the instructor’s enthusiasm and engagement. The course covers all the important features of Java 8, including Lambda Expressions, Streams, and the new Date & Time API. Learners recommend this course to anyone who wants to learn about the new features of Java 8, especially those preparing for an interview.

The instructor is enthusiastic and engaging, which makes the course more enjoyable to learn from.

"Durga Sir makes every aspects of programming so easy that you get upset why you didn’t have his lessons before."

"He takes you begginner to expert level."

"His teaching is awesome.."

"He makes every aspects of programming so easy that you get upset why you didn’t have his lessons before."

The instructor often repeats the same concepts multiple times, which some learners find helpful for reinforcement.

"He repeats the concepts so that it gets into your mind even with effortless focus."

"The repetition really seals the concepts into our minds."

"His confidence, knowledge and clarity overtakes the language hiccups!"

"The depth of coverage was impressive, and I feel I've gained a solid understanding of Java. Thank you, Durga Sir, for your excellent teaching."

The course includes many examples and exercises, which help learners to apply the concepts they are learning.

"I feel I've gained a solid understanding of Java."

"The examples were very easy to understand."

"I could learn everything that he explained, so it is a very good course."

The instructor's explanations are clear and concise, making the concepts easy to understand.

"The instructor has put in lot of effort to make the course easy to understand."

"He explains complex topics in a simple and makes understandable easily."

"I gained good knowledge on the features of Java 8."

"He not only teaches about each concept but also puts lot of effort into examples"

The course covers all the important features of Java 8, making it a comprehensive resource for learners.

"This course is a comprehensive resource for learners."

"Covers all important concepts of Java-8 explained in very simple way & entertaining style :)"

"Covered most of the important features but still left with a few important topics."

"It is a very good course to learn Java. To people having problem with Indian accent, his lectures may be difficult to follow, but even then I stand by my assessment that he is the best in the world for Java."

"Every one must come and watch this wonderful videos, Durga is a master at explaining complicated things in a simple way."

The course does not cover all of the new features of Java 8, such as Optional classes and reduce() methods.

"Optional class, metaspace etc. It is really disappointed, not expect from durga sir..."

"It would be better if the instructor would focus less in repeating some of the concepts and if he would dive deeper in some of the topics."

"For beginners, it is very helpful but for the experience peoples, it needs a re-refinements of the topics covered."

"Only basic is covered. more methods in Streams are not covered. Collectors are not covered."

"Short-circuit operations not covered. Optional<T> not covered."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Java 8 New Features In Simple Way with these activities:

Follow Java tutorials for beginners

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Get a foundational understanding of the fundamentals of Java by following introductory tutorials to familiarize yourself with the syntax and basic concepts.

Browse courses on Java Programming

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Search for beginner-friendly Java tutorials online or on platforms like Udemy and YouTube.
Choose a tutorial that aligns with your learning style and pace.
Follow the tutorial step-by-step, implementing the code examples and understanding the concepts explained.

Explore Java 8 features on Oracle's website

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Deepen your understanding of Java 8 by exploring the official Oracle documentation and tutorials, which offer detailed explanations and examples.

Browse courses on Java 8

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Visit the Oracle Java website and navigate to the Java 8 documentation.
Choose a topic related to Java 8, such as lambda expressions or streams.
Follow along with the tutorials and examples provided in the documentation.

Join a Java study group

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Connect with other learners and engage in collaborative learning by joining a Java study group to share knowledge, discuss concepts, and solve problems together.

Browse courses on Java Programming

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Look for Java study groups online, on social media, or through local meetups.
Introduce yourself and actively participate in group discussions and activities.
Collaborate on projects or assignments, providing support and feedback to each other.
Attend regular meetings and engage in peer-to-peer knowledge sharing.

Six other activities

Expand to see all activities and additional details

Show all nine activities

Follow a series of tutorials on Java 8 features

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Following tutorials will help solidify your understanding of Java 8's new features and how to use them effectively.

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Find a reputable source of tutorials, such as Oracle's official documentation or a MOOC platform.
Start with the basics, such as lambda expressions and streams.
Follow the tutorials step-by-step and practice the examples provided.

Read Head First Java

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Supplement your learning by reading 'Head First Java,' a highly-rated book that provides a comprehensive and engaging introduction to the language.

View Head First Java: A Brain-Friendly Guide on Amazon

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Acquire a copy of 'Head First Java' from a library or bookstore.
Set aside dedicated time for reading and understanding key concepts.
Take notes on important topics and make annotations in the book as you read.
Discuss the book's content with peers or instructors to enhance understanding.

Solve coding challenges on LeetCode

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Reinforce your understanding by solving coding challenges on platforms like LeetCode to apply your knowledge in a practical setting.

Browse courses on Java Programming

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Create an account on LeetCode or similar coding challenge platforms.
Start with easier problems and gradually progress to more challenging ones.
Use the discussion forums to seek help and learn from other coders.

Solve coding challenges on LeetCode or HackerRank

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Solving coding challenges will help you apply your knowledge of Java 8 features in a practical setting and improve your problem-solving skills.

Browse courses on Lambda Expressions

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Choose a platform like LeetCode or HackerRank.
Start with easy challenges and gradually increase the difficulty level.
Don't be afraid to ask for help or consult the discussion forums if you get stuck.

Create a blog post or article explaining a Java 8 feature

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Explaining a concept to others helps you solidify your own understanding and identify areas where you need further reinforcement.

Browse courses on Lambda Expressions

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Choose a specific Java 8 feature that you want to focus on.
Research the topic thoroughly and gather relevant information.
Write a well-structured blog post or article that explains the concept clearly and concisely.
Publish your content on a platform like Medium or your own blog.

Present a Java 8 project overview

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Solidify your knowledge by presenting a project overview that showcases your understanding and application of Java 8 concepts.

Browse courses on Java 8

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Select a Java 8 feature or concept to focus on for your presentation.
Develop a clear and concise presentation outline.
Prepare visual aids and examples to illustrate your points.
Practice your presentation and time it to fit within the allotted duration.
Deliver your presentation confidently and engage with your audience.

Career center

Learners who complete Java 8 New Features In Simple Way will develop knowledge and skills that may be useful to these careers:

Java Developer

Java Developers deal with designing, coding, and testing software applications using the Java programming language. To be successful in this role, you must master the intricacies of modern Java, such as the new features introduced in Java 8. This course provides a comprehensive overview of all the important Java 8 features, helping you to write better, more concise, and more maintainable code. By taking this course, you will greatly improve your employability as a Java Developer.

See salaries and explore the career path for Java Developer

Software Developer

As a Software Developer, your job is to design, develop, and maintain software applications. In order to do that successfully today, you need to be facile with modern programming languages like Java 8 in particular and learn how to apply its new features to real-world problems. This course covers the major Java 8 new features, such as lambda expressions, functional interfaces, method and constructor references, and stream API. With the help of this training, you can solve complex problems in a clear, easy-to-maintain way and level up as a developer.

See salaries and explore the career path for Software Developer

Full-Stack Developer

As a Full-Stack Developer, you will handle both the front-end and the back-end development of web applications. Java 8 is a mainstay in the back-end development of many popular web applications. Learning Java 8 can thus make you a more competitive applicant.

See salaries and explore the career path for Full-Stack Developer

Android Developer

Android Developers create and maintain applications for devices that run on the Android operating system. Since it is written in Java, learning about Java 8 features will make you a more productive Android Developer.

See salaries and explore the career path for Android Developer

Cloud Architect

Cloud Architects design and manage cloud computing systems. Java 8 knowledge allows you to effectively leverage Java-based cloud services and build scalable, high-performance cloud applications.

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Software Engineer

Software Engineers apply engineering principles to the design, development, and maintenance of software systems. As new software systems almost universally include Java 8 at a minimum, it is a highly valuable skillset for Software Engineers.

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Backend Developer

Backend Developers are responsible for the server-side logic of web applications. Java 8 provides many features like Lambda expressions and Stream API that can simplify and enhance the development of backend systems

See salaries and explore the career path for Backend Developer

Data Scientist

Data Scientists analyze large amounts of data to extract meaningful insights and build predictive models. Java 8 features like Streams and Lambda expressions can help in data analysis scenarios.

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Web Developer

Web Developers design and develop websites and web applications. Java 8 is widely used in web development, especially for building dynamic and interactive web applications.

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Systems Analyst

Systems Analysts design and implement computer systems and applications. Knowledge of Java 8 can help you to better understand and interact with the latest software systems.

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Technical Architect

Technical Architects design and develop the overall architecture of software systems. Java 8 features like Lambda expressions and Streams can help you to create more efficient and scalable software architectures.

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Database Administrator

Database Administrators manage and maintain databases, and ensure their optimal performance. Java 8's JDBC API allows you to connect to and interact with databases more efficiently.

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IT Manager

IT Managers plan, implement, and manage the IT infrastructure of an organization. Knowledge of Java 8 can help you make informed decisions about software and systems.

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Information Security Analyst

Information Security Analysts plan and implement security measures to protect an organization's information systems. Java 8 provides features like cryptography and access control that can be useful in this role.

See salaries and explore the career path for Information Security Analyst

Project Manager

Project Managers plan, execute, and close projects. Java 8 knowledge is not directly required, but it can be helpful in understanding and managing software development projects.

See salaries and explore the career path for Project Manager