MapReduce has a data processing model: inputs and outputs for the map and reduce functions are key-value pairs. Learn about the MapReduce model.
Learn to leverage the MapReduce model used by Hadoop in resolving the Big Data problem.
Explore the I/O subsystem of Hadoop.
Hadoop comes with a distributed filesystem called HDFS, a flagship filesystem of Hadoop. Learn about the design and concepts behind this filesystem.
Learn the finer points of using this important Java API.
By reading this, you will gain an introductory idea about Hadoop in the light of Big Data.
Understand text data in the light of Big Data Analytics.
Here, you will find a brief overview about the techniques used with big data analytics.
Learn about the fundamental aspects of Big Data, its basic characteristics, and get a hint of the tools and techniques used to deal with it.
Learn the basics of cloud computing.
Explore some of the intricate details about polymorphism and its implication on object-oriented programming.
Study the concept of both the Comparable and Comparator interfaces to see how they differ. Code examples are given to help you learn.
Explore JavaFX tables from the point of view of data organization and how it can be effectively be used in Java programming.
Discover the filtering aspect of JDBC RowSet. Appropriate examples are given to guide you.
The singleton pattern guarantees that only one object with a global access point can be created at a time. Learn to harness its power.
Explore flyweight patterns with the help of a simple example in Java.
Explore the decorator pattern and learn how it can be implemented by using the provided Java code examples.
Learn to use the strategy design pattern in your Java coding.
Take on a few of the popular Spring Boot starters and tools among many and discover their uses in developing a Spring Boot application.
Explore a design pattern called the Builder Pattern and implement it with Java code examples.
Java provides many options and features that make applications more secure. Learn about security features available.
When fetching a list of records through queries, we often need to store them in an object that allows back and forth traversing. Learn how here.
Certain best practices are applied to Java code to guard against SQL injection attack. Discover the details with information about the threat.
Discover the semantics of multithreaded programming in Java. The material is presented with code examples.
Both Spring and Vaadin can be used to create a Web application because they are Java frameworks, interleave well, and can work in a single ecosystem.
Obtain a basic understanding of Spring Integration and how it extends over the Spring programming model.
Learn about the Spring Batch framework, and read a description of the history of batch processing, and an overview of the framework's features.
Obtain an overview of JMS in Spring and its implementation. Appropriate examples are included.
Dive head-first into JavaMail, Spring, and the Sprint mail API and study a simple e-mail application that illustrates their distinctiveness.
Become more proficient with the concept of using asynchronous socket channels and see how they can be implemented in Java. There also is a sample.
Here's an introductory idea about the testing support provided by the Spring framework and how it is applied with Spring Boot.
Discover Spring Security, and how it integrates with the Spring Web MVC framework. Examples are provided.
Study an overview of concurrent collection APIs in Java and see their use through an appropriate example scenario.
Gain a perspective about and see how parallel streams can improve performance. You'll also have appropriate examples to assist your learning.
Learn about this these advanced topics and see how to implement them in a Java program.
Better understand the principles of multithreading under the periphery of JavaFX programming.
Study an overview and JPA's supporting implementation in Java.
Explore the basics behind logging in Java and see how it helps in Java development.
Focus on a few notable changes to the platform with the introduction of Java EE 8.
Learn more about the concept of non-blocking socket programming and its allied areas, and work through the accompanying examples.
Learn more about the overall concept of sockets in general and multicasting in particular, and see how it can be implemented by using Java sockets.
Explore the concept of parallel programming with the help of the Fork/Join Framework in Java.
Discover what Java has to offer for interthread communication in a multithreaded programming environment.
Become more proficient with stream handling in Java.
Autoboxing and auto-unboxing streamline the coding of algorithms, removing the tedium of manually boxing and unboxing values.
Explore the CDI 2.0 update and its implication on Java EE enterprise development.
Explore the overall concept behind the changes to Servlet 4.0 and the its APIs. You'll also get a glimpse at the HTTP changes involved.
Learn how Spring can be used to create a Web application packaged with a Web server that runs with a single click.
Discover more about the Spring Boot Project and how it contributes to a simpler Spring programming model.
Become more proficient with using the Spring MVC framework in your Web-based Java projects.
Delve into the pros and cons of using JDBC with Spring. Also, there are appropriate examples and code snippets to guide you.
Learn to create a database-driven application with JavaFX as the GUI framework.
Dive into the basics of the JavaFX classes, especially with respect to the use of fundamental classes and how they are used in programming.
Delve into the tool called iText, which enables a Java programmer to create PDF documents through Java code.
Learn to use Java programming to manipulate Microsoft Excel documents.
Explore the Java 9 Module APIs classes and some of the methods. There also are examples to give you an idea of their overall functionality.
Take a holistic look at the features of custom runtime images introduced with Java 9.
Learn briefly about the key aspects of packaging in the JAR and JMOD file formats, and how to create the packages.
Explore the specific access mechanism of the open and opens modules.
Peruse the key aspects of module dependency and discover how it is realized in Java programming.
Learn about the Monitoring and Management Services feature, as used in Java programming.
Focus on unit testing with a mocking framework in general, and on the Mockito framework in particular.
Read an overview of the JUnit testing framework, the de-facto standard of Java unit testing.
JShell is a Java tool shipped with JDK 9, and provides a command-line interface to interact with the Java platform.
Explore the key structural changes brought to the JRE (Java Runtime Environment) and JDK due to modularization.
Java Virtual Machine does a lot of behind-the-scenes work to execute a binary class file submitted to it for execution. Glimpse JVM's initial stages.
Gain an overall picture of the module system as incorporated in Java 9.
Look back on the principles of modular programming from the threshold of a new era that is dawning with Java 9.
Java EE finally moved to the Eclipse Foundation as its new home. Examine the ramifications of the move.
Learn about Java's "labeled" feature and how to use it in your own programming endeavors.
Dig into the concept behind looping in Java and learn about the various types of loops you can use.
Probe the use of the bitwise operators available in Java.
Study of some key norms that are usually maintained to create standard Java documentation in source code and the usage of the javadoc tool in general.
Learn how to create a Web application in NetBeans using the bare minimum of tools and technologies.
Learn more about the Java Spring framework from the perspective of one who wants to get an overall picture of Spring before diving deep into it.
Explore some of the key points of network programming through the lens of Java APIs.
Unravel some key aspects of the recursive technique in the light of Java programming.
Break into functional programming, from the perspective of using Java.
Learn more about the classes provided in the standard API library.
Delve into key aspects of the chart APIs of JavaFX and learn how to implement them.
Learn to create striking, yet functional, UI layouts in JavaFX.
If you want to use clipboard functionality in a custom user component developed in Swing, AWT, or JavaFX, you'll need to add some Java code.
Discover some of the common functionalities of the process APIs to understand them in Java.
Learn to use the Java Print Services API in a Java application.
Create non-linear data structures, called trees, to organize your data objects.
Learn to use the connection pooling mechanism and apply it to a Java application.
Creating a JDBC application in NetBeans is easy if you keep things simple.
Explore some key information to use session beans in an enterprise application.
Dive into the concept of transaction management with EJB.
Explore some of the key classes that are commonly used in file handling in Java.
Study the features of channel-based I/O and learn about its uses with brief examples.
Explore the Java Formatter class and observe some of its utility in everyday programming in Java.
Learn about the working concept of using the Que interface in Java.
Using both nested and inner classes is integral to being a successful Java programmer. Pick up some skills here.
Learn how enumerations can be utilized in Java.
Follow these examples and work through how transactions are handled with the JDBC API.
Learn about using the peer classes of Java String and work through some examples demonstrating their use.
Discover the qualities of the Java Stream API and how to use it in a simple manner.
Discover the concept behind the data structure involved in implementing the LinkedList generic class in Java.
Plunge into the techniques of hashing before delving into the Java Hashing Classes in brief.
Learn about ways to order objects of a class.
Understand the life cycle of a servlet to understand the intricacies of the low-level functionalities of servlet programming.
Peruse an overview of the JVM and how a Java program executes within it.
Learn about the Object class and the collection of wrapper classes of this package, to get a glimpse of the key aspects of the java.lang library.
Learn about the key areas of class design with respect to object-oriented languages in general, and Java class design in particular.
Learn more about threads in general and the Java thread model in particular.
Explore the key aspects of working with images using the core API library.
Explore the idea of event handling in general, and delegation event modeling in particular, with a focus on its implementation in Java.
Here are ten key areas from the Java Enhancements Proposals index that are going to influence Java programmers in the years to come.
Follow through this article to understand the key concepts of exception handling in Java.
Learn how to use jdb, from the Java Development Kit, to make finding those pesky errors easier.
Discover some information about Java ArrayList, with a brief overview of its structure.
Learn about using polymorphism as a principle of inheritance in Java.
Become proficient with some of the intricacies involved with Java Inheritance and see code examples and illustrations to aid you.
Explore the intricacies of methods and how things actually work in Java.
Classes are a fundamental structure of any object-oriented programming language; Java is no exception. Understand these objects and classes.
Explore some of the key features of the JDBC metadata API in view of discovering database metadata.
Understand and delineate the concept behind JEE, with a focus on EJB in particular.
Java has never lacked support for JSON processing. In this article, the specific interest lies in the core API group.
Learn about the concepts behind the paradigm of Observable and Observer objects and how they are used in Java code.
Learn about some of the key aspects of transforming a POJO into a bean component and how the JavaBean API library helps in the process.
Learn about the architecture that adheres to the software component model standard and how JavaBeans are integrated and incorporated to become a part of the whole subsystem.
Become proficient with the necessary details on how to use the Java BitSet class.
The Optional class in Java is not essential, yet it provides invaluable help in some instances. Master its use here.
Gain a comprehensive understanding of the background concepts of tokenization and its implementation in Java.
Explore some of the areas of memory management, along with the APIs related to garbage collection.
Probe serialization and its related concepts and learn to delineate some of its nooks and crannies, along with their implementation in the Java API.
Learn to streamline your understanding of I/O streams APIs in Java.
Examine the Java core framework and its uses with a little background idea to begin with.
Become more familiar with some concepts that would aid in better understanding Java threads, eventually leading to better programming.
Explore the core concepts behind a few of the collection objects in the Java framework.
Take on the concept of streams from a comparative perspective; we'll illustrate some of its usage in regular Java programming.
Study some of the key concepts needed to work with ObjectDB in a Java application.
Focus on some of the Collection Framework's common algorithmic application to collection elements in Java.
Delve into some of the key concepts of working with archive files by using Java programming.
Explore the choices available in integrating a database engine and observe some intricacies involved in actually implementing them in Java.
Dealing with large objects of several types can be tricky. Here are some practical examples to make your coding simpler.
Learn how to use the Hibernate OGM framework in dealing with a NoSQL database such as MongoDB.
Discover what JavaFX is through examples, rather than peruse a dry conceptual overview.
Create a Web application that uses MongoDB as the storage.
Glance at the practical aspects of NoSQL when implemented in MongoDB and Java.
Explore the Java NoSQL relation from the perspective of MongoDB and acquire some ground up information in a concise manner before going hands on in Java.
Explore the concept of EJB transaction management in a Java EE framework.
Focus on the conceptual aspect of transaction management within the purview of Java Transaction API as groundwork for JTA implementation.
Look into the functional interface in view of Java lambda expression and how it can be used in everyday programming practices in a simple manner.
Become proficient in using Java Regular Expressions and make your coding more efficient.
Explore some of the key aspects of JSTL that highlight the convenience of using it over scriplets.
Learn to use Joda Time, a new component of the Java 8 core library.
Explore some of the command line tools that come in quite handy when programming in Java.
There are many areas to consider when internationalizing your Java code. Start here with a tutorial.
Explore some aspects of creating a Web application in the JEE framework. An example application is included.
This article provides some key information about socket programming, with a focus on building an UDP client/server application in Java.
Learn more about the concept behind the client/server model with hands-on details in creating a TCP client server application in Java.
Explore some of the key aspects of new input/output APIs introduced in Java NIO and see code examples.
Explore the concepts and intricacies of getting started with Java RMI while studying appropriate code examples.
The collection framework has an extensive supply of classes that are less used because people don't understand them. Go hands on and learn their utility.
Annotations are very useful devices. They help you interpret your code and they don't slow its processing speed.
Study some of the key aspects of Java generics with relevant examples to delineate the idea.
This time, roll up your sleeves and create your own RESTful Web Service.
Learn some of the key elements needed to begin using the Jersey Web service.
Explore how to fetch Unicode characters persisted in a database and subsequently create a multilingual report with the help of the JasperReport library in Java.
Focus on creating a simple graphical report in JasperReport with the help of a few third-party libraries.
Explore the idea and the role played by JDBC in implementing the process of dynamic database creation.
Study the problem and possible techniques to get around database complexities.
Explore ways to implement client/server WebSocket endpoints with Java in EE7.
Familiarize yourself with a few necessary background details before rushing into WebSocket implementation in a Web application.
Focus on some key areas of Android with Java that would help in building games your consumers will enjoy.
Explore some of the features that make the Grails platform suitable for a rapid Web application development.
JSF 2 provides a fine infrastructure to implement a rich user interface. Learn to use it to its full advantage.
Explore some of the Spring framework's key aspects that help to build loosely coupled Web applications on the Spring IoC container.
Master the Java code structure and flow of control in developing an Android application.
You can master a different approach to creating Action classes in Struts 2.
Java EE is a driving force behind enterprise development. Learn about some of its framework usages.
Experience how to shed some light on the way to utilizing Java code in C++.
Now's the time to receive instruction to get a first taste of Android Programming in Java in a simple manner.
Dig deeper into some of the key concepts of exception handling in JNI.
Explore how to manipulate Java objects from a native code such as C/C++ using JNI.
Dig into function and data type mapping between Java and C/C++. You'll also find some appropriate examples to guide you.
Explore the world of JNI (Java Native Interface), a programming interface through which Java byte code can interact with any native code.
In my humble opinion, security is a farce. The most secure code is the code that you have never written and the most secure language is the language never invented. Learn more about reflection in Java.
Discover some of reflection's core areas of the API with a few examples to implement them in programming.
Reflection provides some value so that we can create our own recipe rather than eulogize a bullet-proof black box of language paradigm.
Explore the simplicity of integration between two very different types of languages, especially from the point of view of a JavaFX application.
Look into some nooks and corners and key aspects of scripting in Java in general.
If you've used the 2D APIs of JavaFX, working with the 3D APIs will be almost child's play.
Get a solid footing on key ideas and master the intricacies involved before one considers jumping into 3D programming.
Database design needn't be daunting. Here are some easy-to-follow steps to create a basic database.
If your database isn't properly normalized, it's hard to maintain. Worse yet, it can't give you desired information. Remedy your database problems.
Become proficient with specialization and generalization, which is the subclass and superclass hierarchy mechanism in a relational database.
Master the power and versatility of JavaFX to achieve animations of several types.
Discover the depth and intricacies of JavaFX, which is built primarily to create and deliver rich Internet applications (RIAs).
Learn to use <i>Graphics2D</i>, an extension of the legacy <i>Graphics</i> class of the AWT package and which supports more drawing capabilities than its predecessor.
Explore the Java GUI in general and work with a couple of practical graphics implementations.
Explore the ten crucial points to begin with graphics programming.
Master some of the important aspects of email monitoring and their implementation through code.
You can add the benefit of mail and messaging support even to a bare bone, standalone Java application.
A flat file access mechanism can be customized like a database CRUD operation. Learn how to do that for your data.
Explore the serialization/deserialization process with the help of a file handling mechanism.
Explore how to process common sequential files through Java and some aspects of file handling APIs in general.
Explore some specific aspects of searching and sorting APIs found in the Java library.
The Interceptor class is the object-oriented way to handle issues in which "system outcasts" need to be handled. Learn how to use this class here.
Learn about CDI, that not only promotes re-usability but also glues together various layers of an enterprises application in a Java EE framework.
Access modifiers help you achieve decoupling in Java. They also create a sense of separation of concern from the other modules that comprise a system.
Java generics not only enables us to create template classes to suit our immediate business needs but also boosts re-factoring in the long run.
Learn to use JSF, JPA, and EJB to perform in an enterprise business application.
Create a simple CRUD application with Swing, JavaFX, QtJambi, and SWT to get a taste of GUI from the perspective of a JDBC programmer.
Vaadin exists so that you can stay within the Java framework while using your favorite IDE. Use Vaadin and succeed with ease.
Learn about Vaadin, a new, implicit framework for creating rich internet applications in Java.
Here are ten great tips to make working with Hibernate more productive.
Wake up from your accustomed query types and learn to use Hibernate in your database manipulations.
Explore ten of the lesser treaded alleys of Java and learn about Java's diverse features and API library.
Consider thread safety and concurrency at the same level of importance.
Implement lambda expressions from the perspective of a couple of standard design patterns.
Learn about Design Patterns, time-tested classic templates of solution architecture that ensure maintainability of code and enhance productivity.
A well-designed systems works with the synergy of not only object composition but also pattern composition. Learn to use Java to develop behavioral patterns.
Learn more about the Creational design pattern, which handles the process of object creation in Java from one or more classes.
Learn how to create a creational design pattern that is concerned about the process of object creation in Java from one or more classes.
