Every Java programmer loves free eBooks on Java, don't you? When I shared my collection of, one of my readers asked me to share some free Java books as well. Doing a quick search on the internet reveals lots of free books, resource, and tutorials to learn Java.

1 Core JAVA nFundamental Concepts nBootstrapping nBasic Language Syntax nCommon Caveats nCoding Conventions Core JAVA.

I have chosen some of the good Java books, which are FREE, available for download or you can read it online in HTML or PDF format. These books are an excellent resource for any Java beginners, as well as an experienced programmer, and since they are free, it makes absolute sense to have a look on this before buying any other book in Java. These free Java books cover a wide range of technology including core Java, J2EE, JSP, Servlets, XML and general programming concepts. Though books like or are not free, they are worth of every penny spent. I didn't find any good FREE Java books on concurrency and multithreading, which I really wanted to include. If you come across a genuine FREE multithreading books for Java programmer, then please let us know. Update: 9th January 2016 I have added a new free Java book, Introducing Java 8, A quick start guide for lambda expression and Stream.

A good book to learn Java8 absolutely free. It's the 11th book in this list, which started with just 7 books. Update: 5th May 2017 I have added a couple of new free Java programming eBooks from O'Reilly which will teach you latest and greatest in Java e.g. Dockers for Java Developers by Arun Gupta, Microservices for Java Developers by Christian Posta, Modern Java EE Design Patterns by Markus Eisele, Object-Oriented vs.

Functional Programming by Richard Warburton, and Java: The Legend by Ben Evans. 11 FREE Java Books Programming PDF and HTML.

Without wasting any more time, here is the list of some of the great Java books, which are absolutely FREE, you don't need to pay anything to download or read this book. All you need is an internet connection to download this books on your computer, laptop, iPhone or android smartphone. Most of the new eBooks which I have added recently are absolutely free, legal and you can download them in PDF, EPUB or MOBI format for online and offline reading. Introducing Java 8 Author: by Raoul-Gabriel Urma Download: Description: This is the latest Java book which is FREE.

Many Thanks to O'Rilley who has published an introductory book on Java 8, titled with Introducing Java 8, A quick start guide to lambda expressions and streams. The author Raoul-Gabriel Urma, who is also an author of one of the best seller book of last year,, explains how improved code readability and support for multicore processors were the prime movers behind Java 8 features. He’ll quickly get you up to speed on new classes including CompleteableFuture and, along with enhanced interfaces and the new Date and Time API. No doubt a great guide for any Java programmer willing to learn Java 8 by himself. If you will follow examples given int his book, you will learn lambdas and Streams in real quick time. Object-Oriented vs. Functional Programming Author: by Richard Warburton Download: Description: This book discusses the difference between Object oriented and Functional programming.

Since Java 8 is now support some of the functional programming concepts e.g. Lambda expressions, map, flatmap, reduce etc, it becomes important to learn how to work together in both OOP and FP at the same time.Java technologist Richard Warburton, author of, discusses similarities between these programming paradigms and points out that both FP and OOP are actually moving closer toward each another. This book will take you to journey of Java programming language starting from very first version to the current Java 8 version. Benjamins Evans, author of the modern Java book, will explain to you the design decision was taken at the start e.g. Making it platform independent and always keeping it backward compatible and how they paid off. Docker for Java Developers Author: by Arun Gupta Download: Description: If you have worked in Java development and production services you know that how painful is to deploy a Java application. You have to deploy code, configuration, database changes, file systems changes etc.

Though this is the tried and tested approach and working well from a long time, it can be improved. In this free Java EE eBook, Arun Gupta, author of the explains how you can use Docker to deploy Java application both on server and cloud. This can improve both deployment and startup time of your Java application in Windows, Linux, and Mac OS X. Microservices for Java Developers Author: by Christian Posta Download: Description: Microservices is a new buzz word in Java world, touted to replace huge, monolithic SOA applications with hundreds and thousands of micro web services. In this free Java Microservice eBook, Christian Posta, a Principal Middleware Specialist/Architect at Red Hat explain to you whether Microservice architecture is right for your organization or not.

He outlines both benefits and drawbacks of Microservices and explains to them how to implement them using popular frameworks like DropWizard and Spring Boot. This free Java book is full of useful examples. Modern Java EE Design Patterns Author: by Markus Eisele Download: Description: There are not many good Java EE design patterns books available in the market, forget about free books, so when I found this free Java EE eBook, I got really excited. Since Java EE landscape is quickly changing with the advent of Microservice and it is challenging Java EE's monolithic SOA like architecture. In this book, Markus Eisele explains Java EE with MicroServices and explores design patterns like aggregator, proxy, pipeline etc.

Data Structures and Algorithms with Object-Oriented Design Patterns in Java Author: Bruno R. Preiss Download: Description: Great book to learn data structure and algorithm in Java programming language. Filled with a lot of samples but non-trivial examples of implementing different data structures e.g. Stack, queue, linked list in Java. Since data structure and algorithm are very important for any Java programmer and quite a common topic in Java interview, it is an absolute must to have a strong command in both.

If you are preparing for Java job interviews then you can also take a look at some of my favorite algorithm and data structures questions, it may help in your preparation. If you like to read paperback edition, you can order it from Amazon as well.

Java Application Development on Linux Author: Carl Albing and Michael Schwarz Download: Description: A perfect Java book, if you are developing or running Java application on Linux environment, which is the case in most of the investment banks. You can download entire books as PDF, along with all example programs. Carl Albing and Michael Schwarz has done an excellent job to put everything needed to run and support a Java program in Linux environment including how to start, stop, or kill Java process, checking logs with some handy useful UNIX commands. Paperback edition of this book is also available here in Amazon. Maplestory V62 Download on this page. 9.Core Servlets and JavaServer Pages Author: by Marty Hall and Larry Brown Download: Description: Servlets and JSP are fundamental Java technologies for developing web applications in Java.

Core Servlets and Java Server Pages, teaches you basics of these technologies. You can access all chapter of this book as FREE PDF online, they are also available for download. The good thing about this Java books is that source code and lecture notes are also available for FREE download. If you like to read paper book then you can also purchase, paperback edition of this book here. The Java Language Specification, Java SE 7 Edition (Java Series) Author: James Gosling, Bill Joy, Guy L.

Steele Jr., Gilad Bracha, Alex Buckley (Author) Download: Description: Official Java language specification for Java SE 7 edition is available online to view as HTML and download as PDF. This is the best FREE resource in Java, as it's from source and contains most up-to-date details about Java Programming language. If you like paperback edition, you can also purchase this books from amazon here. The Java Virtual Machine Specification, Java SE 7 Edition Author: Tim Lindholm, Frank Yellin, Gilad Bracha, Alex Buckley Download: Description: Knowledge of Java Virtual Machine is very important for experienced Java developers, to get the maximum out of JVM and avoid unnecessary optimization, which can be effectively done by JIT and JVM.

For a beginner, It's too much ask, to know more about JVM, but since it's a free Java book, you can always download PDF and read it. Paperback edition of this Java book is also available for purchase on Amazon, here. The Java Tutorial: A Short Course on the Basics (5th Edition) Author: Sharon Biocca Zakhour, Soumya Kannan, and Raymond Gallardo Download: Description: This is the official Java tutorials from Oracle, which explains different Java concepts in the form of short courses e.g. JDBC, JMX, JAXB.

All tutorials are available online and you can also download them for free as eBook, available in both.mobi and.epub format, nice to read in iPhone and android phones. If you love paperback edition, you can also order it from Amazon.

By the way, these tutorials are really good quality and the great way to explore different features of Java Programming language. Thinking in Java 3rd edition Author: Bruce Eckel Download: Description: Thinking in Java is a Jolt Award winner and one of the classic books to learn Java programming. The third edition of this books is freely available for download and you can download them as PDF format for the offline read. By the way, the fourth edition of this book is also available which covers most of new Java 5 concepts in detail, but it's NOT FREE. You can purchase that from Amazon.

One more thing, first six chapters of Thinking in Java 4th edition is also available in PDF format for free download. Processing XML with Java (A Guide to SAX, DOM, JDOM, JAXP, and TrAX Author: Elliotte Rusty Harold Download: Description: XML is one of the most desirable skills along with Java. You often need to work with XML files in large projects, as it's one of the most widely used data transport formats. This Java book is a comprehensive and up-to-date collection of various XML technology and how to use them with Java programming language.

You will learn about different XML parsers e.g. SAX and DOM, JDOM, XPATH, and XSLT etc. If your work involves, XML and Java, then this is the book you should read. This Java book is freely available for online read, and you can buy a paperback edition from any book store including Amazon. Think Java (How to Think Like a Computer Scientist) Author: by Allen B. Downey Download: Description: Don't confuse this book with Thinking in Java, it's a different one. This is another great Java book for beginners which is available for FREE.

You can download it as PDF or read it online on their site. It covers programming basics, object-oriented concepts, essential software development technique, debugging etc. It's actually tailored for students, who wants to give Computer Science advanced placement (AP) exam, but turn out be a great book for any beginner. If you just started learning Java, give it a try. Paperback edition of this book is available on Amazon here.

That's all guys, these are some really useful FREE Java books, especially the latest Introducing Java 8 book. As we all love free resources, download them as PDF or view online them as HTML. If you have slow Internet connection, then it's better to download PDF eBooks and read them offline. By the way, nothing can substitute a paperback book, eBooks are good but not for continuous reading.

So don't forget to have a paperback edition of at least one Java book, when you start learning Java. If you are an absolute beginner then it's worth buying as well, one of the most recommended books for Java beginners.

Online Tutorial for Java beginners to learn basic concepts of Core Java. I have divided this tutorial into three sections.

First you will learn the fundamentals of Core Java (Class,Interface etc.). In the next section Learn By Example you will find many examples for different Core Java modules with running source code.

The third part Cheatsheet will help you quickly revise what you learnt in the first two sections. • Introductory Chapter for complete beginner of Java.

You will learn to start working in Java by installing and running and test java application. • Here you will learn about 3 main things of Java. And difference between those(JDK, JRE and JVM). • In Object Oriented programming Class is the most fundamental thing. In this chapter you will get to know about Classes and Their Objects. • In order to create Object from a class definition you will require constructor. How to initialize different variable or how to invoke constructor will be learned here.

• Variables are one of two things which in combination create class, most important part of Java. You will learn about different type of Variables and how they can be used or accessed. • • • • Write first Hello JBT application and understand different part of Application. In next chapter we will develop same application but with help of Eclipse. • Here you will learn to write same Hello JBT Application but with help of Eclipse. • This is how you define access levels for different thing in java. Be it Class / Variables / Method.

Who and how it can be accessed from different part of Java world. • Java Provided some modifier which doesnt control accessibility but can change the behaviour of particular CLASS / Method / Variable. Theses are called Non Access Modifier. In this chapter you will learn about the same. • You will learn about Operators used in Java. What is precedence and associativity of every Operator. • Java provided different types of Statement.

Conditional or assignment. What are the purpose of different type of statement and how they can be used will be defined here. • New keyword is not the only way to create an object in Java. Different ways are also there which can be used to create objects.

• To refer current executing object this keyword will be used. How to use it will be learned here. • Class level variable or Method can be defined using Static keyword. This chapter will define it.

• It defines the contract between different party that needs to be obeyed. You will learn about Interfaces and their different rules here. • To provide different functionality with same method name overloading can be used. How to use this feature in Java will be covered in this chapter. • To provide different functionality for different classes in same hierarchy overriding can be used. This chapter will cover different aspect of it.

• In section of Java can throw exception. Here you will learn about different type of exception and how to handle it. • Collection and their different implementation will be discussed here. • • Classes can be declared in class which is known as Inner class. Cool section!

Here’s some more: 1) Junior java developer a) Basic ocjp (former scjp) questions: – What does static, final mean, purposes; – How many accesibility modifiers exist? Please describe them. – Why do you need a main method?

– How many constructors can you have? – Define overwriting and overloading – Give java API implementations for overwriting and overloading – Describe the String class – unique properties – StringBuilder vs StringBuffer – Collections: please describe, give some examples and compare them to eachother – ArrayList vs Vector – HashMap vs HashTable – What’s a tree – What’s a map – Multithreading: describe the management in java – What’s a semaphone?

– How many states are there for threads? – Describe the usage for synchronized word (2) – Serialization in java – a descrition and usage – Garbage collection in java – description and usage – Can you guarantee the garbage collection process?

B) Simple design pattern questions: – Singleton please describe main features and coding – Factory please describe main features and coding – Have you used others? Please describe them 2) Intermediate and Senior level – depending on rate of good responses, additional questions to 1): •. Hi Gaurav, Package is used for organizing classes.

This is not something which is enforced by JVM or Java. But it is suggested to have classes defined in proper package coz in that case you can have unique namespace for different classes(even if class name is same.) e.g. Suppose you and your colleague is working on different modules(Sales and HR ) of the same project and you both are unware of the class name created by other.

In the end you might face a situation where both of you have created class with same name(Department). This will create problem.

To avoid this problem you both can use package. You can create class in your specific package(com.sales & com.hr). In this way you will avoid conflict of class name.

Coz even if class name is same namespace will be unique. Com.sales.department com.hr.department hope now you understand the use of package. Hi Ayushi, I don’t know what is the purpose of creating this project. But i have one project in my mind because of requirement. So i ll tell you.

Try to build it and if successful let me know i might use it. We have team of developer where Team Lead assign a work to every one on everyday or weekly basis. And every one in the team has to report to team leader. And leader will analyses in the end what different resources has done in last week or month and generate the report accordingly which will be used in Audit purpose. So you will have a web application. It will have two User roles. 1- Team Lead 2- Developer Roles of Developer 1- Can view the assigned work by team lead.

2- Can update the work sheet 3- Can close the work assigned which in return go back to team lead pool Roles assigned to TL role 1- Can create work 2- Can assign work created to different user(Developer) 3- Provide the deadline for different work. 4- Can generate the report of all work done by developer. System functionality. 1- Once there is any work assigned to any developer mail should be delivered to developer. 2- When deadline is about to read notification should also reach. 3- Once developer mark and work as completed. Work should go into TL pool.

4- Report should be generate in the form of DOC/ Excel It is the requirement below the technology stack that you can use 1- Spring 3.1 2- Hibernate (Data Persistence) 3- Spring Security (Role related assignment) 4- Apache POI (Report Generation) I think now i have given you enough information. If you like you can create it. If successful let me know i will glad to add it in my website. If you require any more input you can contact me. Hi Chandra, Thanks for your nice comment. If you know the basics then you should not have any problem with writting code.

If you want to start coding then you should start with very basics ofcore java like prinitng any value on console. I would suggest you to download Eclipse IDE first. I have written different article on how to create Java Project in Eclipse. No Pen Patch Bedeutung Der on this page. Once created you can start creating Classes and start playing with same. You can have different assignment available which you can try to solve on your own. Keep in mind that there is no hard and fast rule to learn Java. Only practice can make you perfect.

While writting code you have specific question you can ask me personally. I have a paid service where i use to check the assignment and help learner write code. If you are willing to pay for this let me know.