Search results for "Java"
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Learning Network Programming with Java
Harness the hidden power of Java to build network-enabled applications with lower network traffic and faster processesAbout This Book• Learn to deliver superior server-to-server communication through the networking channels• Gain expertise of the networking features of your own applications to support various network architectures such as client/server and peer-to-peer• Explore the issues that impact scalability, affect security, and allow applications to work in a heterogeneous environmentWho This Book Is ForLearning Network Programming with Java is oriented to developers who wish to use network technologies to enhance the utility of their applications. You should have a working knowledge of Java and an interest in learning the latest in network programming techniques using Java. No prior experience with network development or special software beyond the Java SDK is needed. Upon completion of the book, beginner and experienced developers will be able to use Java to access resources across a network and the Internet.What You Will Learn• Connect to other applications using sockets• Use channels and buffers to enhance communication between applications• Access network services and develop client/server applications• Explore the critical elements of peer-to-peer applications and current technologies available• Use UDP to perform multicasting• Address scalability through the use of core and advanced threading techniques• Incorporate techniques into an application to make it more secure• Configure and address interoperability issues to enable your applications to work in a heterogeneous environmentIn DetailNetwork-aware applications are becoming more prevalent and play an ever-increasing role in the world today. Connecting and using an Internet-based service is a frequent requirement for many applications. Java provides numerous classes that have evolved over the years to meet evolving network needs. These range from low-level socket and IP-based approaches to those encapsulated in software services.This book explores how Java supports networks, starting with the basics and then advancing to more complex topics. An overview of each relevant network technology is presented followed by detailed examples of how to use Java to support these technologies.We start with the basics of networking and then explore how Java supports the development of client/server and peer-to-peer applications. The NIO packages are examined as well as multitasking and how network applications can address practical issues such as security.A discussion on networking concepts will put many network issues into perspective and let you focus on the appropriate technology for the problem at hand. The examples used will provide a good starting point to develop similar capabilities for many of your network needs.Style and approachEach network technology's terms and concepts are introduced first. This is followed up with code examples to explain these technologies. Many of the examples a
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Java EE 7 First Look
An easy-to-follow guide to reveal the new features of Java EE 7 and how to efficiently utilize them. Given the main objectives pursued, this book targets three groups of people with a knowledge of the Java language. They are:Beginners in the Java EE platform who would like to have an idea about the main specifications of Java EE 7.Developers who have experimented with previous versions of Java EE and who would like to explore the new features of Java EE 7.Building architects who want to learn how to put together the various Java EE 7 specifications for building robust and secure enterprise applications
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Instant JRebel
Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks. This book is an easy-to-follow guide full of hands-on examples of real-world Java development tasks. Each topic is explained and placed in context, and for the more inquisitive readers, there are more-in-depth details of the concepts used. If you have experience in Java desktop or web application development based on Servlets and you want to update your code instantly without recompiling and redeploying the code, this book is for you.
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Practical Cloud-Native Java Development with MicroProfile
Written by leading MicroProfile experts, this book provides you with best practices for building enterprise-grade cloud-native applications using MicroProfile 4.1 and running them on Open Liberty with Docker, Kubernetes, and IstioKey FeaturesApply your knowledge of MicroProfile APIs to develop cloud-native applicationsUse MicroProfile Health to provide the startup, liveness, and readiness status of your enterprise applicationBuild an end-to-end stock trader project and containerize it to deploy to the cloud with Istio interactionBook DescriptionIn this cloud-native era, most applications are deployed in a cloud environment that is public, private, or a combination of both. To ensure that your application performs well in the cloud, you need to build an application that is cloud native. MicroProfile is one of the most popular frameworks for building cloud-native applications, and fits well with Kubernetes. As an open standard technology, MicroProfile helps improve application portability across all of MicroProfile's implementations. Practical Cloud-Native Java Development with MicroProfile is a comprehensive guide that helps you explore the advanced features and use cases of a variety of Jakarta and MicroProfile specifications. You'll start by learning how to develop a real-world stock trader application, and then move on to enhancing the application and adding day-2 operation considerations. You'll gradually advance to packaging and deploying the application. The book demonstrates the complete process of development through to deployment and concludes by showing you how to monitor the application's performance in the cloud. By the end of this book, you will master MicroProfile's latest features and be able to build fast and efficient cloud-native applications.What you will learnUnderstand best practices for applying the 12-Factor methodology while building cloud-native applicationsCreate client-server architecture using MicroProfile Rest Client and JAX-RSConfigure your cloud-native application using MicroProfile ConfigSecure your cloud-native application with MicroProfile JWTBecome well-versed with running your cloud-native applications in Open LibertyGrasp MicroProfile Open Tracing and learn how to use Jaeger to view trace spansDeploy Docker containers to Kubernetes and understand how to use ConfigMap and Secrets from KubernetesWho this book is forThis book is for Java application developers and architects looking to build efficient applications using an open standard framework that performs well in the cloud. DevOps engineers who want to understand how cloud-native applications work will also find this book useful. A basic understanding of Java, Docker, Kubernetes, and cloud is needed to get the most out of this book.
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Hands-On Software Architecture with Java
Build robust and scalable Java applications by learning how to implement every aspect of software architectureKey FeaturesUnderstand the fundamentals of software architecture and build production-grade applications in JavaMake smart architectural decisions with comprehensive coverage of various architectural approaches from SOA to microservicesGain an in-depth understanding of deployment considerations with cloud and CI/CD pipelinesBook DescriptionWell-written software architecture is the core of an efficient and scalable enterprise application. Java, the most widespread technology in current enterprises, provides complete toolkits to support the implementation of a well-designed architecture.This book starts with the fundamentals of architecture and takes you through the basic components of application architecture. You'll cover the different types of software architectural patterns and application integration patterns and learn about their most widespread implementation in Java. You'll then explore cloud-native architectures and best practices for enhancing existing applications to better suit a cloud-enabled world. Later, the book highlights some cross-cutting concerns and the importance of monitoring and tracing for planning the evolution of the software, foreseeing predictable maintenance, and troubleshooting. The book concludes with an analysis of the current status of software architectures in Java programming and offers insights into transforming your architecture to reduce technical debt.By the end of this software architecture book, you'll have acquired some of the most valuable and in-demand software architect skills to progress in your career.What you will learnUnderstand the importance of requirements engineering, including functional versus non-functional requirementsExplore design techniques such as domain-driven design, test-driven development (TDD), and behavior-driven developmentDiscover the mantras of selecting the right architectural patterns for modern applicationsExplore different integration patternsEnhance existing applications with essential cloud-native patterns and recommended practicesAddress cross-cutting considerations in enterprise applications regardless of architectural choices and application typeWho this book is forThis book is for Java software engineers who want to become software architects and learn everything a modern software architect needs to know. The book is also for software architects, technical leaders, vice presidents of software engineering, and CTOs looking to extend their knowledge and stay up to date with the latest developments in the field of software architecture.
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Learning Java Functional Programming
Create robust and maintainable Java applications using the functional style of programmingAbout This Book• Explore how you can blend object-oriented and functional programming styles in Java• Use lambda expressions to write flexible and succinct code• A tutorial that strengthens your fundamentals in functional programming techniques to enhance your applicationsWho This Book Is ForIf you are a Java developer with object-oriented experience and want to use a functional programming approach in your applications, then this book is for you. All you need to get started is familiarity with basic Java object-oriented programming concepts.What you will learn• Use lambda expressions to simplyfy code• Use function composition to achieve code fluency• Apply streams to simply implementations and achieve parallelism• Incorporate recursion to support an application's functionality• Provide more robust implementations using Optionals• Implement design patterns with less code• Refactor object-oriented code to create a functional solution• Use debugging and testing techniques specific to functional programsIn DetailFunctional programming is an increasingly popular technology that allows you to simplify many tasks that are often cumbersome and awkward using an object-oriented approach. It is important to understand this approach and know how and when to apply it. Functional programming requires a different mindset, but once mastered it can be very rewarding.This book simplifies the learning process as a problem is described followed by its implementation using an object-oriented approach and then a solution is provided using appropriate functional programming techniques.Writing succinct and maintainable code is facilitated by many functional programming techniques including lambda expressions and streams. In this book, you will see numerous examples of how these techniques can be applied starting with an introduction to lambda expressions. Next, you will see how they can replace older approaches and be combined to achieve surprisingly elegant solutions to problems.This is followed by the investigation of related concepts such as the Optional class and monads, which offer an additional approach to handle problems. Design patterns have been instrumental in solving common problems. You will learn how these are enhanced with functional techniques.To transition from an object-oriented approach to a functional one, it is useful to have IDE support. IDE tools to refactor, debug, and test functional programs are demonstrated through the chapters. The end of the book brings together many of these functional programming techniques to create a more comprehensive application. You will find this book a very useful resource to learn and apply functional programming techniques in Java.Style and approachIn this tutorial, each chapter starts with an introduction to the terms and concepts covered in that chapter. It quickly progresses to contrast an object-oriented approach with a f
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ChatGPT for Java
Embrace the future of software development! ChatGPT for Java is the perfect starting point for Java developers to learn how to build intelligent applications using ChatGPT and Open AI APIs.This book takes you from the ground up to demonstrate how to use ChatGPT programmatically. You will learn the basics of ChatGPT and OpenAI APIs, including how to authenticate, send prompts, generate responses, test in the Playground, and handle errors. Each chapter includes practical exercises which demonstrate different API functionalities and bring your concepts to life. You will learn how to AI-enable your own applications using models such as GPT-4, GPT-3.5, Whisper, DALL-E, and many more. As a result, developers will understand that generative AI tools will not replace software development jobs! Instead, you will leverage ChatGPT as your Java AI-pair programmer to increase speed and productivity. You will also learn how ChatGPT can provide powerful Natural Language Processing (NLP) capabilities to your Java apps in order to understand various formats of unstructured text. Step-by-step, you will apply the concepts covered to create your own intelligent chatbots that can automatically process messages from either Slack on Discord. With this book, Java developers will be empowered to take their applications to new heights by leveraging the power of AI as this exciting field continues to evolve and transform.What You Will LearnAuthenticate with the ChatGPT and OpenAI APIs and learn how to engineer and send promptsTest your prompts in the ChatGPT PlaygroundHow to use multiple artificial intelligence models Harness the power the temperature, topp, and other parameters that can ONLY be accessed by developers to create more unique and engaging responses from ChatGPTCreate intelligent bots for Slack or Discord serversIncorporate context into prompts for better responses and apply advanced features of the APIs.Explore future directions for ChatGPT and OpenAI Who This Book Is ForBeginning and intermediate Java developers who have a basic understanding of Java programming concepts and are interested in learning how to add intelligence to their applications by using ChatGPT programmatically. No prior experience with ChatGPT or OpenAI APIs is required.
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Java Concurrency in Practice
"I was fortunate indeed to have worked with a fantastic team on the design and implementation of the concurrency features added to the Java platform in Java 5.0 and Java 6. Now this same team provides the best explanation yet of these new features, and of concurrency in general. Concurrency is no longer a subject for advanced users only. Every Java developer should read this book."--Martin BuchholzJDK Concurrency Czar, Sun Microsystems "For the past 30 years, computer performance has been driven by Moore's Law; from now on, it will be driven by Amdahl's Law. Writing code that effectively exploits multiple processors can be very challenging. Java Concurrency in Practice provides you with the concepts and techniques needed to write safe and scalable Java programs for today's--and tomorrow's--systems."--Doron RajwanResearch Scientist, Intel Corp "This is the book you need if you're writing--or designing, or debugging, or maintaining, or contemplating--multithreaded Java programs. If you've ever had to synchronize a method and you weren't sure why, you owe it to yourself and your users to read this book, cover to cover."--Ted NewardAuthor of Effective Enterprise Java "Brian addresses the fundamental issues and complexities of concurrency with uncommon clarity. This book is a must-read for anyone who uses threads and cares about performance."--Kirk PepperdineCTO, JavaPerformanceTuning.com "This book covers a very deep and subtle topic in a very clear and concise way, making it the perfect Java Concurrency reference manual. Each page is filled with the problems (and solutions!) that programmers struggle with every day. Effectively exploiting concurrency is becoming more and more important now that Moore's Law is delivering more cores but not faster cores, and this book will show you how to do it."--Dr. Cliff ClickSenior Software Engineer, Azul Systems "I have a strong interest in concurrency, and have probably written more thread deadlocks and made more synchronization mistakes than most programmers. Brian's book is the most readable on the topic of threading and concurrency in Java, and deals with this difficult subject with a wonderful hands-on approach. This is a book I am recommending to all my readers of The Java Specialists' Newsletter, because it is interesting, useful, and relevant to the problems facing Java developers today."--Dr. Heinz KabutzThe Java Specialists' Newsletter "I've focused a career on simplifying simple problems, but this book ambitiously and effectively works to simplify a complex but critical subject: concurrency. Java Concurrency in Practice is revolutionary in its approach, smooth and easy in style, and timely in its delivery--it's destined to be a very important book."--Bruce TateAuthor of Beyond Java "Java Concurrency in Practice is an invaluable compilation of threading know-how for Java developers. I found reading this book intellectually exciting, in part because it is an excellent introduction to Java's concurrency A
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Helidon Revealed
This book is your comprehensive introduction to Project Helidon, Oracle’s Java-based microservices framework for building cloud-native applications. The book introduces the two flavors of Helidon—Helidon SE and Helidon MP—and shows how to quickly build applications with each one. The book begins by placing the Helidon framework in context and explaining the MicroProfile and Jakarta EE specifications that underlie the building of microservices-based applications. From there, you will learn about the individual components of Helidon SE and Helidon MP, and you will see examples of building applications for both flavors, and for MicroProfile and Jakarta EE. Finally, the book shows how to convert Helidon applications from Java bytecode into native binaries for instant application startup and peak performance. What You Will LearnChoose correctly between Helidon SE and Helidon MPCreate starter applications using the Helidon SE and Helidon MP quick startsCreate server and client applications with Helidon SE componentsCreate a microservices-based application with the MicroProfile specificationsCreate a database application with the Jakarta NoSQL specificationGenerate native code with GraalVM for faster application startup timeWho This Book Is ForJava developers who create microservices applications; those interested in building such applications using the Helidon framework; and developers of microservices applications who want functionality such as native-image support through GraalVM, compatibility with MicroProfile, easy connectivity to database engines, and support for reactive development patterns
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