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Learning Java Lambdas - Toby Weston - Bog - Packt Publishing Limited - Plusbog.dk

Learning Java Lambdas - Toby Weston - Bog - Packt Publishing Limited - Plusbog.dk

Understand and utilize Java LambdasAbout This Book* Take a deep dive into one of the single most important additions to modern Java* Master Java lambdas, and fully understand functions, classes, and scope. * Improve your programming skills, which will enable you to write cleaner and more dynamic codeWho This Book Is ForLearning Java Lambdas is for developers looking to upgrade their Java skills and familiarize themselves with one of the most important new features of Java. This book is not for absolute beginners and will be more suited to professionals who are already comfortable with Java coding. You should have a basic knowledge of Java before reading this book. What You Will Learn* What a lambda is and how it differs from other Java features* How to use lambdas effectively in your own projects* The use of method references and advanced scoping* The difference between lambdas and closures* The differences in bytecode produced when using lambdasIn DetailIn this short book, we take an in-depth look at lambdas in Java, and their supporting features. The book covers essential topics, such as functional interfaces and type inference, and the key differences between lambdas and closures. You will learn about the background to functional programming and lambdas, before moving on to understanding the basic syntax of lambdas and what differentiates these anonymous functions from standard anonymous classes. Lastly, you'll learn how to invoke lambdas and look at the bytecode generated. After reading this book, you'll understand lambdas in depth, their background, syntax, implementation details, and how and when to use them. You'll also have a clear knowledge of the difference between functions and classes, and why that's relevant to lambdas. This knowledge will enable you to appreciate the improvements to type inference that drive a lot of the new features in modern Java, and will increase your understanding of method references and scoping. Style and approachThis book is a deep dive into one of the core new features of the Java language - Lambdas. It covers them in great details, making sure that you fully understand how lambdas work, and how they can be put to use in your own programs.

DKK 312.00
1

Learn TypeScript 3 by Building Web Applications - Sebastien Dubois - Bog - Packt Publishing Limited - Plusbog.dk

Learn TypeScript 3 by Building Web Applications - Sebastien Dubois - Bog - Packt Publishing Limited - Plusbog.dk

Learn TypeScript and many of its features by building state of art web applications from scratch with the help of modern tooling, frameworks, and librariesKey FeaturesCreate modern Web applications to help businesses around the world benefit from better quality applicationsLearn the latest features of TypeScript 3 and use them wiselyExplore TDD practices, OOP techniques, and industry best practices to create high-quality and modular appsBook DescriptionTypeScript is a superset of the JavaScript programming language, giving developers a tool to help them write faster, cleaner JavaScript. With the help of its powerful static type system and other powerful tools and techniques it allows developers to write modern JavaScript applications. This book is a practical guide to learn the TypeScript programming language. It covers from the very basics to the more advanced concepts, while explaining many design patterns, techniques, frameworks, libraries and tools along the way. You will also learn a ton about modern web frameworks like Angular, Vue.js and React, and you will build cool web applications using those. This book also covers modern front-end development tooling such as Node.js, npm, yarn, Webpack, Parcel, Jest, and many others. Throughout the book, you will also discover and make use of the most recent additions of the language introduced by TypeScript 3 such as new types enforcing explicit checks, flexible and scalable ways of project structuring, and many more breaking changes. By the end of this book, you will be ready to use TypeScript in your own projects and will also have a concrete view of the current frontend software development landscape.What you will learnUnderstand and take advantage of TypeScript's powerful Type SystemGrasp the key concepts and features of Angular, React, Vue.js, and NestJSHandle asynchronous processes using Promises, async/await, Fetch, RxJS, and moreDelve into REST, GraphQL and create APIs using ApolloDiscover testing concepts, techniques, and tools like TDD, BDD, E2E, JestLearn Object-Oriented and Functional Programming concepts and leverage those with TypeScriptExplore design practices and patterns such as SOLID, MVC, DI and IoC, LoD, AOP, and moreWho this book is forThis book is for software developers who are willing to discover what TypeScript is and how to leverage it to write great quality software. Developers that are already familiar with TypeScript will find this book useful by learning the languages featured introduced by most recent releases. Basic knowledge of the JavaScript programming is expected.

DKK 280.00
1