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  • JWTs With Spring Boot and Java 9

    JWTs With Spring Boot and Java 9
    by Sergio Martin

    JWT (JSON Web Token) is an open source standard commonly used to transmit data between two services in a compact and secure way. This standard offers a wide range of... More

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  • Using Custom Classes as Keys in HashMaps

    Using Custom Classes as Keys in HashMaps
    by Rohan Raju

    Today, we are going to discuss what we need to keep in mind when we want to use our custom class as a key in HashMap. Here, we are considering an Employee class as a... More

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Java Partner Resources

Single-Page App (SPA) Security with Spring Boot and OAuth
Developing Reactive Microservices: Enterprise Implementation in Java
jQuery UI and Auto-Complete Address Entry
Designing Reactive Systems: The Role Of Actors In Distributed Architecture

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This Week in Spring: Microservices, Spring Cloud, and AMQP

This Week in Spring: Microservices, Spring Cloud, and AMQP
by Joshua Long

Hi, Spring fans! Welcome to another incredible installment of all that’s fit to tweet, blog, record, and print about Spring! It’s been an insane week! Since our last installment I was...

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The Road to Jakarta EE

The Road to Jakarta EE
by David Delabassee

The Eclipse Foundation is making multiple announcements related to Jakarta EE that includes the unveiling of https://jakarta.ee and the Jakarta EE logo,...

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Migrating From JAXB XML Processing to XStream

by Alan Richardson
Understanding Cloud Computing

Refcard #082

Understanding Cloud Computing

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Design Patterns
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Learn design patterns quickly with Jason McDonald's outstanding tutorial on the original 23 Gang of Four design patterns, including class diagrams, explanations, usage info, and real world examples.
Jason McDonald
226.1k 699.8k
Core Java
A Power-User's Guide to Java
Gives you an overview of key aspects of the Java language and references on the core library, commonly used tools, and Java 8 features.
Cay Horstmann
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Getting Started with Git
The De Facto Standard For Version Control
This updated Refcard explains why so many developers are migrating to this exciting platform. Learn about creating a new Git repository, cloning existing projects, the remote workflow, and more to pave the way for limitless content version control.
Matthew McCullough
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Getting Started with Ajax
Unlocking Unobtrusive JavaScript
Introduces Ajax, a group interrelated techniques used in client-side web development for creating asynchronous web applications.
Dave Crane
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Foundations of RESTful Architecture
REST Practices
The Representational State Transfer (REST) architectural style is a worldview that elevates information into a first-class element of architectures. REST allows us to achieve the architectural properties of performance, scalability, generality, simplicity, modifiability, and extensibility. This newly updated Refcard explains main HTTP verbs, describes response codes, and lists libraries and frameworks. It also gives additional resources to further explore each topic.
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Scrum
The Most Popular Agile Methodology
Scrum is a framework that allows people to productively and creatively deliver products of the highest possible value. With over 70% of Agile teams using Scrum or Scrum hybrid, learn more about its benefits in managing complex product development. This newly updated Refcard explores the details of Scrum, including theory, values, roles, and events. It also includes a sample of a popular approach to deliver Integrated Increments in a scaled environment.
Dave West
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Spring Configuration
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Catalogs the XML elements available as of Spring 2.5 and highlights those most commonly used: a handy resource for Spring context configuration.
Craig Walls
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Core Java Concurrency
Understanding the Core Concurrency Concepts
This Refcard will help Java developers working with multi-threaded programs to understand core concurrency concepts and how to apply them. Overview the key aspects of the Java language and get references on the core library.
Igor Sorokin
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Core CSS: Part I
First Steps in CSS
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jQuery Selectors
The Core jQuery Reference
Introduces jQuery Selectors, which allow you to select and manipulate HTML elements as a group or as a single element in jQuery.
Bear Bibeault
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Getting Started with Eclipse
Test and Debug Code With Java’s Leading IDE
Eclipse IDE is a cross-platform, multi-purpose, open-source Integrated Development Environment. It is widely used to develop projects in Java, JavaScript, PHP, C++, Scala, and many others. This newly updated Refcard breaks down installing, setting up, and getting started with Eclipse. It also covers productivity tips, creating new projects and files, accessing Source Control Managers, and debugging configurations.
Mickael Istria
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Core CSS: Part II
Understanding Selectors
Covers Core principles of CSS that will expand and strengthen your professional ability to work with CSS. Part two of three.
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