Create scalable machine learning applications to power a modern data-driven business using Spark 2.xAbout This BookGet to the grips with the latest version of Apache SparkUtilize Spark's machine learning library to implement predictive analyticsLeverage Spark's powerful tools to load, analyze, clean, and transform your dataWho This Book Is ForIf you have a basic knowledge of machine learning and want to implement various machine-learning concepts in the context of Spark ML, this book is for you. You should be well versed with the Scala and Python languages.What You Will LearnGet hands-on with the latest version of Spark MLCreate your first Spark program with Scala and PythonSet up and configure a development environment for Spark on your own computer, as well as on Amazon EC2Access public machine learning datasets and use Spark to load, process, clean, and transform dataUse Spark's machine learning library to implement programs by utilizing well-known machine learning modelsDeal with large-scale text data, including feature extraction and using text data as input to your machine learning modelsWrite Spark functions to evaluate the performance of your machine learning modelsIn DetailThis book will teach you about popular machine learning algorithms and their implementation. You will learn how various machine learning concepts are implemented in the context of Spark ML. You will start by installing Spark in a single and multinode cluster. Next you'll see how to execute Scala and Python based programs for Spark ML. Then Read more

What will you learn from this book?Head First Java is a complete learning experience in Java and object-oriented programming. With this book, you'll learn the Java language with a unique method that goes beyond how-to manuals and helps you become a great programmer. Through puzzles, mysteries, and soul-searching interviews with famous Java objects, you'll quickly get up to speed on Java's fundamentals and advanced topics including lambdas, streams, generics, threading, networking, and the dreaded desktop GUI. If you have experience with another programming language, Head First Java will engage your brain with more modern approaches to coding--the sleeker, faster, and easier to read, write, and maintain Java of today. What's so special about this book? If you've read a Head First book, you know what to expect--a visually rich format designed for the way your brain works. If you haven't, you're in for a treat. With Head First Java, you'll learn Java through a multisensory experience that engages your mind, rather than by means of a text-heavy approach that puts you to sleep. Read more

Learning a complex new language is no easy task especially when it s an object-oriented computer programming language like Java. You might think the problem is your brain. It seems to have a mind of its own, a mind that doesn't always want to take in the dry, technical stuff you're forced to study. The fact is your brain craves novelty. It's constantly searching, scanning, waiting for something unusual to happen. After all, that's the way it was built to help you stay alive. It takes all the routine, ordinary, dull stuff and filters it to the background so it won't interfere with your brain's real work--recording things that matter. How does your brain know what matters? It's like the creators of the Head First approach say, suppose you're out for a hike and a tiger jumps in front of you, what happens in your brain? Neurons fire. Emotions crank up. Chemicals surge. That's how your brain knows. And that's how your brain will learn Java. Head First Java combines puzzles, strong visuals, mysteries, and soul-searching interviews with famous Java objects to engage you in many different ways. It's fast, it's fun, and its effective. And, despite its playful appearance, Head First Java is serious stuff: a complete introduction to object-oriented programming and Java. You'll learn everything from the fundamentals to advanced topics, including threads, network sockets, and distributed programming with RMI. And the new. second edition focuses on Java 5.0, the latest version of the Java language and development platform. Because Java 5.0 is a major update to the platform, with deep, code-level changes, even more careful study and implementation is required. So learning the Head First way is more important than ever. If you've read a Head First book, you know what to expect--a visually rich format designed for the way your brain works. If you haven't, you're in for a treat. You'll see why people say it's unlike any other Java book you've ever read. By exploiting how your brain works, Head First Java compresses the time it takes to learn and retain--complex information. Its unique approach not only shows you what you need to know about Java syntax, it teaches you to think like a Java programmer. If you want to be bored, buy some other book. But if you want to understand Java, this book's for you. Read more

Engaging collection featuring a variety of themes: dinosaurs, tractors, superheros, robots, cars, lorries, trains, rockets, and more!Dinosaur adventures: Dive into the prehistoric world with various dinosaurs to colour.Mighty machines: Explore pages filled with tractors, cars, lorries, and trains, perfect for young enthusiasts of vehicles and transportation.Futuristic fun: Let creativity soar with robot designs, encouraging imaginative and colourful depictions.Space escapades: Blast off into space with rocket illustrations, sparking curiosity about the cosmos and space exploration.Diverse illustrations: A mix of detailed and simpler designs to cater to different colouring skill levels and preferences.Captivating scenes: Each page offers exciting scenes and opportunities for kids to express their creativity through colours and imagination.Ideal for young artists: Perfect for boys who love a mix of adventure, machinery, and exploration in their colouring experiences. Read more

An effective and practical study aid to the new OCP Java SE 17 Developer certification examIn the OCP Oracle Certified Professional Java SE 17 Developer Study Guide: Exam 1Z0-829, you'll find accessible and essential test prep material for the in-demand and practical OCP Java SE 17 Developer certification. Providing comprehensive coverage of all OCP Java SE 17 exam objectives and competencies, the Study Guide offers you access to all the skills and knowledge you'll need to succeed on the test and in the field as a new or experienced Java developer.This book provides material on records, sealed classes, text blocks, dates, streams, controlling program flow, using the Java object-oriented approach, handling exceptions, working with arrays and collections, and more. You'll also get:Intuitively organized information that aligns with the competencies tested on the exam and those required by real-world Java developersOpportunities to practice and develop skills that remain in high demand in the IT industryAccess to the Sybex online learning center, with chapter review questions, full-length practice exams, hundreds of electronic flashcards, and a glossary of key termsPerfect for anyone prepping for the brand-new OCP Java SE 17 credential, OCP Oracle Certified Professional Java SE 17 Developer Study Guide: Exam 1Z0-829 is also a can't-miss reference for practicing and aspiring Java developers seeking to learn or reinforce their foundational skills in Java programming and improve their performance on the job. Read more

Full coverage of functional programming and all OCA Java Programmer exam objectivesOCA, Oracle Certified Associate Java SE 8 Programmer I Study Guide, Exam 1Z0-808 is a comprehensive study guide for those taking the Oracle Certified Associate Java SE 8 Programmer I exam (1Z0-808). With complete coverage of 100% of the exam objectives, this book provides everything you need to know to confidently take the exam. The release of Java 8 brought the language's biggest changes to date, and for the first time, candidates are required to learn functional programming to pass the exam. This study guide has you covered, with thorough functional programming explanation and information on all key topic areas Java programmers need to know. You'll cover Java inside and out, and learn how to apply it efficiently and effectively to create solutions applicable to real-world scenarios.Work confidently with operators, conditionals, and loopsUnderstand object-oriented design principles and patternsMaster functional programming fundamentals Read more

NEW OCP Java SE 17 Certification Kit focuses on 100% of the objectives for the new Exam 1Z0-829!With this Certification Kit, Java developers will gain the information, understanding, and practice they need to pass the OCP Java SE 17 exam. The Certification Kit incude two books:OCP Oracle Certified Professional Java SE 17 Study Guide: Exam 1Z0-829 is designed to make you fully prepared to understand the job role and to take the exam. In particular, developers will need to learn functional programming to pass the certification. This comprehensive study guide covers all of the key topic areas Java programmers will need to be familiar with.OCP Oracle Certified Professional Java SE 17 Practice Tests: Exam 1Z0-829 includes hundreds of domain-by-domain questions PLUS practice exams, for a total of over a 1000 practice test questions. This book helps you gain the confidence you need for taking the OCP Java SE 17 exam. Readers also get access to Sybex's superior online interactive learning environment and test bank, including an assessment test, chapter tests, bonus practice exam questions, electronic flashcards, and a searchable Glossary of the most important terms readers will need to understand. Read more

Problem Solving in Data Structures & Algorithms SeriesThe "Problem Solving in Data Structures & Algorithms" series is designed to help programmers master the application of data structures and algorithms in real-world scenarios, with a particular focus on interview preparation. Written in an easy-to-understand manner, these books offer examples in a variety of programming languages, including Go, C, C++, Java, C#, Python, VB, JavaScript, and PHP.For more information:Official website and contact: www.taaran.inGitHub repositories for the books: https://github.com/Hemant-Jain-AuthorOverview of the BookThis book is an excellent resource for those entering the world of data structures and algorithms, especially if you're preparing for technical interviews. It covers key concepts in both data structures, which determine how data is organized in memory for efficient access, and algorithms, which are sets of instructions designed to manipulate these data structures and solve computational problems.Understanding how to design efficient algorithms is a critical skill sought by top technology companies such as Microsoft, Google, and Facebook. Interviewers from these companies often assess candidates' ability to leverage data structures and algorithms to solve complex, real-world problems in an optimized manner. Consequently, mastering these topics is not only essential for passing interviews but also crucial for excelling as a software engineer in the industry.The book starts with an introduction to complexity analysis, which is foundational for understanding the efficiency of algorithms. From there, it delves into various data structures such as Linked Lists, Stacks, Queues, Trees, Heaps, Hash Tables, and Graphs, along with their associated algorithms. You'll also learn about fundamental sorting and searching techniques.In the final chapters, the book introduces advanced algorithmic techniques such as Brute-Force algorithms, Greedy algorithms, Divide and Conquer techniques, Dynamic Programming, and Backtracking. Notably, the section on dynamic programming is particularly strong, as it categorizes dynamic programming problems into five distinct patterns to help you recognize and solve them efficiently.Why This Book Is Essential for Interview PreparationWhen preparing for technical interviews at leading software companies, a deep understanding of data structures and algorithms is indispensable. This book is specifically written from the perspective of interview preparation, providing practical examples and problems to help you sharpen your problem-solving skills.Aside from teaching you how to write algorithms efficiently, the book ensures that you can use this knowledge to handle real-world problems, which is a critical skill in technical interviews.Topics Covered in the BookChapter 0: How to Use This BookChapter 1: Algorithm AnalysisChapter 2: Approaching Algorithm Design ProblemsChapter 3: Abstract Data TypesChapter 4: SearchingChapter 5: SortingChapter 6: Linked ListChapter 7: StackChapter 8: QueueChapter 9: TreeChapter 10: Priority QueueChapter 11: Hash TableChapter 12: GraphsChapter 13: String AlgorithmsChapter 14: Algorithm Design TechniquesChapter 15: Brute-Force AlgorithmsChapter 16: Greedy AlgorithmsChapter 17: Divide and Conquer AlgorithmsChapter 18: Dynamic ProgrammingChapter 19: BacktrackingChapter 20: Complexity Theory Read more

Have you heard about Postman but wondered how this amazing tool can transform the way you develop software? Well, this book is your ticket to the exciting world of Postman!Why this book is essential:Postman has become the favorite tool of developers worldwide, and this book will show you why. Whether you're just starting in software development or looking to enhance your skills in API testing and automation, this guide is perfect for you.What you'll find inside:Step-by-step for beginners: This book is designed with you in mind, starting from the basics and progressing in a clear and organized manner.Mastering APIs: Discover how APIs are the beating heart of the digital world and why Postman is the essential tool for interacting with them.Create and Automate: Learn how to create requests, automate tests, and save valuable time in software development.Hands-on experience: With real-world examples and valuable tips, you'll be ready to tackle real development challenges.Beyond the Basics: This guide goes beyond the beginner level, covering advanced topics like scripting and security, making you a Postman master.What you gain from this:By the end of this book, you'll become a Postman expert, saving time, avoiding errors, and enhancing the quality of your software. Your skills will elevate your career and projects.Get ready for transformation:Postman is more than a tool; it's a shortcut to success in software development. With this guide, you'll be prepared to tackle any challenge in the world of APIs.The revolution begins now:Don't miss the opportunity to master Postman and fast-track your career in software development. Buy this book now and start your journey towards success! Read more

This book contains 114 unique practice questions and answers to help you prepare for the Java Foundations Exam, 1Z0-811.Each question is annotated with the specific objective to which it pertains and reference links.This is not a brain dump and these are not the actual questions on the exam, but they are representative of the types of questions and of the information you will need to know to pass the exam.The practice test contains questions based on the following exam objectives:What Is Java?Describe the features of JavaDescribe the real-world applications of JavaJava BasicsDescribe the Java Development Kit (JDK) and the Java Runtime Environment (JRE)Describe the components of object-oriented programmingDescribe the components of a basic Java programCompile and execute a Java programBasic Java ElementsIdentify the conventions to be followed in a Java programUse Java reserved wordsUse single-line and multi-line comments in Java programsImport other Java packages to make them accessible in your codeDescribe the java.lang packageWorking with Java Data TypesDeclare and initialize variables including a variable using finalCast a value from one data type to another including automatic and manual promotionDeclare and initialize a String variableWorking with Java OperatorsUse basic arithmetic operators to manipulate data including +, -, *, /, and %Use the increment and decrement operatorsUse relational operators including ==, !=, >, >=, Use arithmetic assignment operatorsUse conditional operators including &&, , and ?Describe the operator precedence and use of parenthesisWorking with the String ClassDevelop code that uses methods from the String classFormat Strings using escape sequences including %d, %n, and %sWorking with the Random and Math ClassesUse the Random classUse the Math classUsing Decision StatementsUse the decision making statement (if-then and if-then-else)Use the switch statementCompare how == differs between primitives and objectsCompare two String objects by using the compareTo and equals methodsUsing Looping StatementsDescribe looping statementsUse a for loop including an enhanced for loopUse a while loopUse a do-while loopCompare and contrast the for, while, and do-while loopsDevelop code that uses break and continue statementsDebugging and Exception HandlingIdentify syntax and logic errorsUse exception handlingHandle common exceptions thrownUse try and catch blocksArrays and ArrayListsUse a one-dimensional arrayCreate and manipulate an ArrayListTraverse the elements of an ArrayList by using iterators and loops including the enhanced for loopCompare an array and an ArrayListClasses and ConstructorsCreate a new class including a main methodUse the private modifierDescribe the relationship between an object and its membersDescribe the difference between a class variable, an instance variable, and a local variableDevelop code that creates an object's default constructor and modifies the object's fieldsUse constructors with and without parametersDevelop code that overloads constructorsJava MethodsDescribe and create a methodCreate and use accessor and mutator methodsCreate overloaded methodsDescribe a static method and demonstrate its use within a program Read more

Complete, trusted preparation for the Java Programmer II examOCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your comprehensive companion for preparing for Exam 1Z0-809 as well as upgrade Exam 1Z0-810 and Exam 1Z0-813. With full coverage of 100% of exam objectives, this invaluable guide reinforces what you know, teaches you what you don't know, and gives you the hands-on practice you need to boost your skills. Written by expert Java developers, this book goes beyond mere exam prep with the insight, explanations and perspectives that come from years of experience. You'll review the basics of object-oriented programming, understand functional programming, apply your knowledge to database work, and much more. From the basic to the advanced, this guide walks you through everything you need to know to confidently take the OCP 1Z0-809 Exam and upgrade exams 1Z0-810 and 1Z0-813.Java 8 represents the biggest changes to the language to date, and the latest exam now requires that you demonstrate functional programming competence in order to pass. This guide has you covered, with clear explanations and expert advice.Understand abstract classes, interfaces, and class designLearn object-oriented design principles and patternsDelve into functional programming, advanced strings, and localizationMaster IO, NIO, and JDBC with expert-led database practiceIf you're ready to take the next step in your IT career, OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your ideal companion on the road to certification. Read more

Are you preparing for the Oracle Certified Professional Java SE 11 Developer (1Z0-819) exam? Do you want to ensure your readiness to ace the test on your first attempt? Your search ends here with our comprehensive "OCP: Java SE 11 Developer (1Z0-819) Exam Simulation - Part 2" practice test book.Written by an experienced author who has been instrumental in guiding over 1000 students to pass various Java certification exams, this practice test book is your ticket to OCP certification success. Whether you are a seasoned Java developer aiming to upgrade your skills, or you are new to the Java world and looking forward to validating your knowledge with an Oracle certification, this guide has been carefully designed to help you conquer your fears and pass the exam with flying colors.This book focuses on the Java 11 version and follows the Oracle 1Z0-819 certification exam objectives rigorously. It encompasses a detailed set of challenging, certification level questions and multiple-choice answers that closely emulate the actual exam.Why should you buy this book?Expertly Crafted Questions: Certification level questions drafted by an author with a proven track record in successfully preparing students for the Java Certification Exams.Realistic Exam Simulation: Practice tests that mirror the actual exam's difficulty level, question format, and time constraints.In-depth Explanations: Detailed answers and explanations for every question, helping you understand the underlying concepts.Confidence Boost: The exhaustive practice tests and simulations will make you adept at tackling questions in the exam, thereby boosting your confidence.Get That Dream Job: This Java Certification is like a golden ticket. When you have it, your resume shines. People know you're good with Java. This might help you land that awesome job you always wanted.Career Advancement: Having the Oracle Certified Professional: Java SE 11 Developer (1Z0-819) certification under your belt is a significant title that can boost your career. This book prepares you to earn this prestigious certification, enhancing your professional credibility and opening doors to new job opportunities.Invest in your career and sharpen your Java skills by practicing with this book. Step into the examination hall with unwavering confidence and emerge as an Oracle Certified Professional in Java 11! Achieve your Oracle Certified Professional (OCP) status with confidence, and become a recognized Java SE 11 Developer.Practice tests are divided into 4 parts (books) and each book contains unique questions.OCP: Java SE 11 Developer (1Z0-819) Exam Simulation - Part 1Contains 300 questionsOCP: Java SE 11 Developer (1Z0-819) Exam Simulation - Part 2Contains 300 questions [THIS BOOK]OCP: Java SE 11 Developer (1Z0-819) Exam Simulation - Part 3Contains 251 questionsOCP: Java SE 11 Developer (1Z0-819) Exam Simulation - Part 4Contains 251 questionsTo increase your chances of passing the certification exam, do buy other books as well. These 4 books contain 1102 unique questions in total. Read more

Test your core java skills with 139 quiz questions and 74 coding challenges on various topics including:- Variables, Data Types and Operators- Control Statements Types- Java arrays and Command-line arguments- Packages, classpath and User-input- Classes, objects, constructors, initialization blocks, type of variables, methods and Garbage collection- Object Oriented Programming Concepts: Encapsulation, Inheritance, Polymorphism and Abstraction- Access specifier, instance of operator and casting- String, StringBuilder and Wrapper classes- Exception- EnumerationQuizzes and Coding challenges are arranged according to each topic for easy understanding. These quizzes and Coding challenges are part of a popular course "Java For Beginners - 1st step towards becoming a Java Guru!" published on Udemy.All customers shall be entitled to get this course for a discounted price of $9.99 / ₹360. Coupon is inside the book. Quiz questions solution is provided with explanation. Solution files to coding challenges are also provided. Read more

👉 Do you use Excel at work but feel you are not using it to its full potential?👉 Are you worried about being left behind in your work because you don't master it like your coworkers?👉 Would you like to improve your skills by gaining a good knowledge of Excel and saving precious time and energy every day?🔥 If the answer is "YES", then keep reading, because this is the book you were looking for. 🔥Did you know that about 79% of jobs require proficiency in Excel?In recent years, Excel has become essential and is used for study and any office work, and requires a high level of knowledge and mastery. However, many people like you feel under pressure and stressed because they don't have the necessary skills to use Excel to its full potential. If you are one of them, know that you are not alone.To help you overcome these problems, George J. Wright, has decided to write a beginner's guide on "Excel 2023" to help you learn quickly how to use Excel and become an expert in just 7 minutes a day.George J. Wright is a 37-year-old computer engineer, he teaches computer science and programming languages in a high school in Fort Lauderdale.In this book, you will discover:How to use Basic Functions and Formulas in Excel, including all primary functions such as addition, subtraction, multiplication, and division;Step-by-step tutorials with photos that will help you follow the process and never make mistakes;Everything about creating Charts, Tables, and Diagrams to visualize and present data in Excel;The Complete GUIDE TO EXCEL, which will explain everything you need to know to become an Excel master, starting from basic commands to advanced formulas;How to create PIVOT tables to analyze and process data differently;How to create and use Macros to Automate frequently performed tasks and save time;Excel Shortcuts, Tips & Tricks you absolutely need to know to increase your productivity at work;ADVANCED LESSONS, including data management techniques and VBA, to become the most prepared and competent in Excel (I guarantee you'll be envied by your office colleagues).And much more!After reading this guide, you won't need to read anything else because you will have found the definitive and most complete guide on the market to exploit the full potential of Excel!Try to imagine how your professional life would change if you could speed up tedious and repetitive tasks and add Excel mastery to your resume...Are you ready to learn how to use Excel like a professional in less than 7 minutes a day and free yourself forever from work stress?So, what are you waiting for?Scroll up, click the “BUY NOW” button and start your journey to become an Excel expert! Read more

Test your knowledge and prepare for the OCA/OCP examsOCA/OCP Java SE 8 Programmer Practice Tests complements the Sybex OCA: Oracle Certified Associate Java SE 8 Programmer I Certification Study Guide and the OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide for exams 1Z0-808 and 1ZO-809 by providing last minute review of 100% of exam objectives. Get the advantage of over 1,000 expert crafted questions that not only provide the answer, but also give detailed explanations. You will have access to unique practice questions that cover all 21 objective domains in the OCA/OCP exams in the format you desire--test questions can also be accessed via the Sybex interactive learning environment. Two additional practice exams will ensure that you are ready for exam day. Whether you have studied with Sybex study guides for your OCA/OCP or have used another brand, this is your chance to test your skills.Access to all practice questions online with the Sybex interactive learning environmentOver 1,000 unique practice questions and 2 practice exams include expert explanationsCovers 100% of all 21 OCA/OCP objective domains for Exams 1Z0-809 and 1Z0-809Studying the objectives are one thing, but diving deeper and uncovering areas where further attention is needed can increase your chance of exam day success. Full coverage of all domains shows you what to expect on exam day, and accompanying explanations help you pinpoint which objectives deserve another look. Read more

Efficiently and effectively prepare for the OCP Java SE 17 certification examIn OCP Oracle Certified Professional Java SE 17 Developer Practice Tests: Exam 1Z0-829, a team of veteran Java developers helps you gain the confidence and knowledge you need to take the Oracle Certified Professional Java SE 17 Developer exam. Hundreds of domain-by-domain questions accompany complimentary online access to bonus questions, providing you with over 1000 practice questions and answers.You’ll also get:Access to Sybex's proven online interactive learning environment and test bankComprehensive coverage of every domain included on the OCP Java SE 17 Developer examThree complete bonus practice exams to help you gain confidence and develop proficiency in Java developmentThis resource is perfect for anyone preparing to take Exam 1Z0-829. It also belongs on the bookshelves of novice and veteran Java programmers hoping to improve their on-the-job coding skills. Read more

This OCP Oracle Certified Professional Java SE 11 Developer Complete Study Guide was published before Oracle announced major changes to its OCP certification program and the release of the new Developer 1Z0-819 exam. No matter the changes, rest assured this Study Guide covers everything you need to prepare for and take the exam.NOTE: The OCP Java SE 11 Programmer I Exam 1Z0-815 and Programmer II Exam 1Z0-816 have been retired (as of October 1, 2020), and Oracle has released a new Developer Exam 1Z0-819 to replace the previous exams. The Upgrade Exam 1Z0-817 remains the same.This is the most comprehensive prep guide available for the OCP Oracle Certified Professional Java SE 11 Developer certification―it covers Exam 1Z0-819 and the Upgrade Exam 1Z0-817 (as well as the retired Programmer I Exam 1Z0-815 and Programmer II Exam 1Z0-816)!Java is widely-used for backend cloud applications, Software as a Service applications (SAAS), and is the principal language used to develop Android applications. This object-oriented programming language is designed to run on all platforms that support Java without the need for recompilation. Oracle Java Programmer certification is highly valued by employers throughout the technology industry.The OCP Oracle Certified Professional Java SE 11 Developer Complete Study Guide in an indispensable resource for anyone preparing for the certification exam. This fully up-to-date guide covers 100% of exam objectives for Exam 1Z0-819 and Upgrade Exam 1Z0-817 (in addition to the previous Exam 1Z0-815 and Exam 1Z0-816). In-depth chapters present clear, comprehensive coverage of the functional-programming knowledge necessary to succeed. Each chapter clarifies complex material while reinforcing your understanding of vital exam topics. Also included is access to Sybex's superior online interactive learning environment and test bank that includes self-assessment tests, chapter tests, bonus practice exam questions, electronic flashcards, and a searchable glossary of important terms. The ultimate study aid for the challenging OCP exams, this popular guide:Helps you master the changes in depth, difficultly, and new module topics of the latest OCP examsCovers all exam objectives such as Java arrays, primitive data types, string APIs, objects and classes, operators and decision constructs, and applying encapsulationAllows developers to catch up on all of the newest Java material like lambda expressions, streams, concurrency, annotations, generics, and modulesProvides practical methods for building Java applications, handling exceptions, programming through interfaces, secure coding in Java SE, and moreEnables you to gain the information, understanding, and practice you need to pass the OCP examsThe OCP Oracle Certified Professional Java SE 11 Developer Complete Study Guide is a must-have book for certification candidates needing to pass these challenging exams, as well as junior- to senior-level developers who use Java as their primary programming language. Read more

NOTE: The OCP Java SE 11 Programmer I Exam 1Z0-815 and Programmer II Exam 1Z0-816 have been retired (as of October 1, 2020), and Oracle has released a new Developer Exam 1Z0-819 to replace the previous exams. The Upgrade Exam 1Z0-817 remains the same.Improve your preparation for the OCP Java SE 11 Developer exam with these comprehensive practice tests OCP Oracle Certified Professional Java SE 11 Developer Practice Tests: Exam 1Z0-819 and Upgrade Exam 1Z0-817 offers readers over 1000 practice questions to help them hone their skills for the challenging 1Z0-819 exam as well as the 1Z0-817 upgrade exam. Covering all the objective domains that help readers master the crucial subject areas covered by the exam, OCP Oracle Certified Professional Java SE 11 Developer Practice Tests provides domain-by-domain questions as well as additional bonus practice exams to further solidify the reader’s mastery of its subjects. This book covers topics like: Understanding Java Technology and Environment Working with Java Operators, Primitives, and Strings Creating Methods and Lambda Expressions Designing Classes, Interfaces, Enums, and Annotations Writing Functional Interfaces and Streams Building Modules and Migrating Applications to Modules Applying I/O, NIO.2, JDBC, Threads, and Concurrency Secure Coding in Java SE Application And much more Perfect for anyone studying for the OCP Java SE 11 Developer and Upgrade exams, as well as all those who wish to brush up on their Java programming skills, OCP Oracle Certified Professional Java SE 11 Developer Practice Tests:  Exam 1Z0-819 and Upgade Exam 1Z0-817 is an indispensable resource that has a place on the bookshelf of every Java enthusiast, professional, and student. Read more

A Complete, Integrated Study System for OCP Exam 1Z0-809Study for the OCP Java SE 8 Programmer II exam using this effective exam preparation guide from Oracle Press. Written by a team of experts, including two developers of the original exam, OCP Java SE 8 Programmer II Exam Guide (Exam 1Z0-809) offers comprehensive coverage of every subject on the test and lays out essential Java programming skills. Throughout, step-by-step exercises; self-tests; and “Exam Watch,” “Inside the Exam,” and “On the Job” sections highlight salient points and aid in learning. In all, the book and accompanying digital content feature more than 350 practice questions that mirror those on the live test in tone, format, and content.Clearly explains every topic on Exam 1Z0-809, including:•Declarations, access control, and enums•Object orientation•Assertions and exceptions•Dates, times, locales, and resource bundles•I/O and NIO•Generics and collections•Inner classes•Lambda expressions and functional interfaces•Streams•Threads•Concurrency•JDBCCD ICONElectronic content includes:•160 practice exam questions•Fully customizable test engine•Secured book PDF Read more

Between Moore's law and the notion of "Internet time", we're constantly being bombarded with more and more information - most of it in the form of disorganized data. Turning this information into useful knowledge is getting harder and harder to do, and it takes time that we just don't have. The current economic situation hasn't helped either. With money spread thin, who hasn't had to take on new tasks and learn new things? And slashed training budgets mean there's little to rely on for learning except books- but learning a complex new programming language like Java from a book is no simple task. Maybe your boss is giving you two weeks to come up to speed for a project, or maybe you're ready to take that next step up in your current job, or be a more viable candidate for a new job. Whatever the reason, the onus is on you to learn. All these factors make it more important than ever to have a way to learn - fast. And that's what "Head First Java" does - by exploiting the way your brain works, it compresses the time it takes to really learn. Why? Because its unique approach not only shows you what you need to know about Java syntax, it enables and encourages you to think like a Java programmer. Mastering object oriented programming requires a certain way of thinking, not just a certain way of writing code. The latest research in cognitive science, neurobiology and educational psychology shows that learning at the deeper levels takes a lot more than text on a page. Actively combining words and pictures not only helps in understanding the subject, but in remembering it. According to some studies, an engaging, entertaining, image-rich, conversational approach actually teaches the subject better. Head First Java puts these theories into practice with a vengeance. Chock full of mind stretching exercises, memorable analogies, and stories, humor and attitude that aren't just pasted-on distractions but that are used to drive home key points and make ideas come alive, the Head First approach is as effective as it is unique. Read more