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2017年

作者： Ramgir Mayur Samoylov Nick

ISBN: (数字)9781787122307

ISBN: (纸本)9781787120785

Best practices to adapt and bottlenecks to avoid About This Book • Tackle all kinds of performance-related issues and streamline your development • Master the new features and new APIs of java 9 to implement highly efficient and reliable codes • Gain an in-depth knowledge of java application performance and obtain best results from performance testing Who This Book Is For This book is for java developers who would like to build reliable and high-performance applications. Prior java programming knowledge is assumed. What You Will Learn • Work with JIT compilers • Understand the usage of profiling tools • Generate JSON with code examples • Leverage the command-line tools to speed up application development • Build microservices in java 9 • Explore the use of APIs to improve application code • Speed up your application with reactive programming and concurrency In Detail Finally, a book that focuses on the practicalities rather than theory of java application performance tuning. This book will be your one-stop guide to optimize the performance of your java applications. We will begin by understanding the new features and APIs of java 9. You will then be taught the practicalities of java application performance tuning, how to make the best use of garbage collector, and find out how to optimize code with microbenchmarking. Moving ahead, you will be introduced to multithreading and learning about concurrent programming with java 9 to build highly concurrent and efficient applications. You will learn how to fine tune your java code for best results. You will discover techniques on how to benchmark performance and reduce various bottlenecks in your applications. We'll also cover best practices of java programming that will help you improve the quality of your codebase. By the end of the book, you will be armed with the knowledge to build and deploy efficient, scalable, and concurrent applications in java. Style and approach This step-by-step guide provides real-world example

关键词： java java 9 Object oriented Garbage Collection Microbenchmarking JSON jshell Reactive Programming Multithreading Microservices APIs

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java: High-Performance Apps with java 9: Boost your application’s performance with the new features of java 9

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2018年

作者： Mayur Ramgir Nick Samoylov

Optimize the powerful techniques of java 9 to boost your application9;s performanceAbout This Book• Tackle all kinds of performance-related issues and streamline your development• Dive into the new features of java... 详细信息

ISBN: (数字)9781789133370

ISBN: (纸本)9781789130515

Optimize the powerful techniques of java 9 to boost your application's performance About This Book • Tackle all kinds of performance-related issues and streamline your development • Dive into the new features of java 9 • Implement highly efficient and reliable codes with the help of new APIs of java • Embedded with assessments that will help you revise the concepts you have learned in this book Who This Book Is For This book is targeted at developers who would like to build reliable and high-performance applications with java. What You Will Learn • Familiarize with modular development and its impact on performance • Learn various string-related performance improvements, including compact string and modify string concatenation • Explore various underlying compiler improvements, such as tiered attribution and Ahead-of-Time (AOT) compilation • Learn security manager improvements • Understand enhancements in graphics rasterizers • Use of command-line tools to speed up application development • Learn how to implement multithreading and reactive programming • Build microservices in java 9 • Implement APIs to improve application code In Detail java 9 which is one of the most popular application development languages. The latest released version java 9 comes with a host of new features and new APIs with lots of ready to use components to build efficient and scalable applications. Streams, parallel and asynchronous processing, multithreading, JSON support, reactive programming, and microservices comprise the hallmark of modern programming and are now fully integrated into the JDK. This book focuses on providing quick, practical solutions to enhance your application's performance. You will explore the new features, APIs, and various tools added in java 9 that help to speed up the development process. You will learn about jshell, Ahead-of-Time (AOT) compilation, and the basic threads related topics including sizing and synchronization. You will also explore various st

关键词： java java 9 Object oriented Garbage Collection Microbenchmarking JSON jshell Reactive Programming Multithreading Microservices APIs

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ModGuard : Identifying Integrity & Confidentiality Violations in java Modules

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IEEE TRANSACTIONS ON SOFTWARE ENGINEERING 2021年第8期47卷 1656-1667页

作者： Dann, Andreas Hermann, Ben Bodden, Eric Paderborn Univ Heinz Nixdorf Inst D-33098 Paderborn Germany

With version 9, java has been given the new module system Jigsaw. Major goals were to simplify maintainability of the JDK and improve its security by encapsulating modules9; internal types. While the module system ... 详细信息

With version 9, java has been given the new module system Jigsaw. Major goals were to simplify maintainability of the JDK and improve its security by encapsulating modules' internal types. While the module system successfully limits the visibility of internal types, it does not prevent sensitive data from escaping. Since the module system reasons about types only, objects are allowed to escape even if that module declares the type as internal. Finding such unintended escapes is important, as they may violate a module's integrity and confidentiality, but is a complex task as it requires one to reason about pointers and type hierarchy. We thus present ModGuard, a novel static analysis based on Doop which complements the java module system with an analysis to automatically identify instances that escape their declaring module. Along with ModGuard we contribute a complete formal definition of a module's entrypoints, i.e., the method implementations that a module actually allows other modules to directly invoke. We further make available a novel micro-benchmark suite MIC9Bench to show the effectiveness but also current shortcomings of ModGuard, and to enable comparative studies in the future. Finally, we describe a case study that we conducted using Apache Tomcat, which shows that a migration of applications towards Jigsaw modules does not prevent sensitive instances from escaping, yet also shows that ModGuard is an effective aid in identifying integrity and confidentiality violations of sensitive instances.

关键词： java Security Cognition Static analysis Encapsulation Manuals Benchmark testing java 9 Jigsaw module systems security static escape analysis Doop Soot

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Selenium WebDriver 3 Practical Guide: End-to-end automation testing for web and mobile browsers with Selenium WebDriver, 2nd Edition 2nd Edition

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2018年

作者： Unmesh Gundecha Satya Avasarala

ISBN: (数字)9781788996013

ISBN: (纸本)9781788999762

Real-world examples of cross-browser, mobile, and data-driven testing with all the latest features of Selenium WebDriver 3 Key Features • Unlock the full potential of Selenium to test your web applications • Use Selenium Grid for faster, parallel running, and cross-browser testing • Test iOS and Android Apps with Appium Book Description Selenium WebDriver is an open source automation tool implemented through a browser-specific driver, which sends commands to a browser and retrieves results. The latest version of Selenium 3 brings with it a lot of new features that change the way you use and setup Selenium WebDriver. This book covers all those features along with the source code, including a demo website that allows you to work with an HMTL5 application and other examples throughout the book. Selenium WebDriver 3 Practical Guide will walk you through the various APIs of Selenium WebDriver, which are used in automation tests, followed by a discussion of the various WebDriver implementations available. You will learn to strategize and handle rich web UI using advanced WebDriver API along with real-time challenges faced in WebDriver and solutions to handle them. You will discover different types and domains of testing such as cross-browser testing, load testing, and mobile testing with Selenium. Finally, you will also be introduced to data-driven testing using TestNG to create your own automation framework. By the end of this book, you will be able to select any web application and automate it the way you want. What you will learn • Understand what Selenium 3 is and how is has been improved than its predecessor • Use different mobile and desktop browser platforms with Selenium 3 • Perform advanced actions, such as drag-and-drop and action builders on web page • Learn to use java 8 API and Selenium 3 together • Explore remote WebDriver and discover how to use it • Perform cross browser and distributed testing with Selenium Grid • Use Actions API for performing va

关键词： Selenium WebDriver 3 java 9 TestNG Appium Testing Automation Mobile Browsers

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Selenium WebDriver 3 Practical Guide 2

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丛书名： []

2018年

作者： Unmesh Gundecha Satya Avasarala

ISBN: (数字)9781788996013

ISBN: (纸本)9781788999762

Real-world examples of cross-browser, mobile, and data-driven testing with all the latest features of Selenium WebDriver 3 Key Features Unlock the full potential of Selenium to test your web applications Use Selenium Grid for faster, parallel running, and cross-browser testing Test iOS and Android Apps with Appium Book Description Selenium WebDriver is an open source automation tool implemented through a browser-specific driver, which sends commands to a browser and retrieves results. The latest version of Selenium 3 brings with it a lot of new features that change the way you use and setup Selenium WebDriver. This book covers all those features along with the source code, including a demo website that allows you to work with an HMTL5 application and other examples throughout the book. Selenium WebDriver 3 Practical Guide will walk you through the various APIs of Selenium WebDriver, which are used in automation tests, followed by a discussion of the various WebDriver implementations available. You will learn to strategize and handle rich web UI using advanced WebDriver API along with real-time challenges faced in WebDriver and solutions to handle them. You will discover different types and domains of testing such as cross-browser testing, load testing, and mobile testing with Selenium. Finally, you will also be introduced to data-driven testing using TestNG to create your own automation framework. By the end of this book, you will be able to select any web application and automate it the way you want. What you will learn Understand what Selenium 3 is and how is has been improved than its predecessor Use different mobile and desktop browser platforms with Selenium 3 Perform advanced actions, such as drag-and-drop and action builders on web page Learn to use java 8 API and Selenium 3 together Explore remote WebDriver and discover how to use it Perform cross browser and distributed testing with Selenium Grid Use Actions API for performing various keyboard and mouse act

关键词： Selenium WebDriver 3 java 9 TestNG Appium testing Automation mobile Browsers

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