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    Java: Advanced Guide to Programming Code with Java: Java Computer Programming, #4
    Java: Advanced Guide to Programming Code with Java: Java Computer Programming, #4
    Java: Advanced Guide to Programming Code with Java: Java Computer Programming, #4
    Ebook59 pages27 minutesJava Computer Programming

    Java: Advanced Guide to Programming Code with Java: Java Computer Programming, #4

    By Charlie Masterson

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    About this ebook

    Are you struggling to understand some of the Advanced Java programming concepts? Are you desperate to further your knowledge and make something out of your programming experience?

    Look no further; in "Java: Advanced Guide to Programming Code with Java", you will learn all about:

    In this Definitive Java Advanced Level Guide, you're about to discover...

    • The Java Interface – Learn all about the Java Interface and how it works

    • Java Packages – learn how to organize your code using packages

    • Java Collections – Learn how to store dynamic data types better

    • Java Inheritance – Learn about superclasses and abstract methods

    • Access Modifiers – Learn how to structure your programs properly with the correct scoping

    • Polymorphism – The number one Java concept you need to master if you are to truly understand Java programming

    • Variable Scopes – know how and when to use variables properly

    • Java Packages – learn how to organize your code using packages

    • The J2EE environment – a basic overview of the J2EE environment

    • ... And much, much more!

    Other Benefits of owning this book:


    • Gain more advanced knowledge about the capabilities of the Java programming language

    • Learn the advanced essentials of Java in order to gain the confidence to tackle more complex topics

    • Gain the critical steps in your path towards Java programming mastery

    By the end of this book you will have a better grasp of advanced Java programming and will have learnt how to write your code more efficiently and for better effectiveness!

    Take action today! Scroll to the top of the page and select the "Buy now" button.

    LanguageEnglish
    PublisherCharlie Masterson
    Release dateFeb 9, 2017
    ISBN9781386032458
    Java: Advanced Guide to Programming Code with Java: Java Computer Programming, #4
    Author

    Charlie Masterson

    Charlie Masterson is a computer programmer and instructor who has developed several applications and computer programs. As a computer science student, he got interested in programming early but got frustrated learning the highly complex subject matter. Charlie wanted a teaching method that he could easily learn from and develop his programming skills. He soon discovered a teaching series that made him learn faster and better. Applying the same approach, Charlie successfully learned different programming languages and is now teaching the subject matter through writing books. With the books that he writes on computer programming, he hopes to provide great value and help readers interested to learn computer-related topics.

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      Book preview

      Java - Charlie Masterson

      Introduction

      I want to thank you and congratulate you for downloading the book, Java: Advanced Guide to Programming Code with Java.

      This book contains proven steps and strategies on how to advance your Java programming skills and is not for those who have little or no knowledge about the computer programming knowledge. If you are new to it, please learn the basics of Java programming before you attempt the chapters in this book as, otherwise they will mean nothing to you.

      Java is one of the more popular of the computer programming languages and is commonly used in building websites, web services and Android as well as being the basis of an awful lot of enterprise systems. Another good thing about Java is that it works cross-platform and we’re not just talking computers here. Many of your household appliances actually run on the Java environment and that means the possibilities are endless.

      Thanks again for downloading this book, I hope you enjoy it and I hope that you gain a lot from it!

      Chapter 1:

      Java Generic Programming

      Wouldn’t it be nice, and so much easier if we were able to write just one sort method that was able to sort out the elements that were in any array of any type that supported ordering, like a String array or an Integer array, for example? That is where Java Generic classes and methods come into play.

      These generic methods and classes let you use just one method declaration to specify a set of methods that are related, or just one class declaration to specify a set of types that were related. Generics also give you a compile-time safety that lets you catch any invalid types when it comes to compiling time.

      By using the Java Generic concept, you can write one method that will sort an object array, invoke the method using String arrays, Double arrays, Integer arrays, and so on, to sort the elements in the array.

      Generic Methods

      As a coder, you can write one method declaration that you can call using arguments of all different types. Based on which argument types are passed to the method the compiler will handle each call in the appropriate way. These are the rules that define Generic methods:

      Every generic method declaration must contain a section for type parameters that is delimited with the use of angle brackets (<>). This section must precede the return type of the method (in the example that follows later, that will be type ).

      Each section of type parameters must have at least one type parameter in it and each parameter must be separated by a comma. You may know type parameters better as type variables and these are identifiers used to specify the name of a generic type.

      Type parameters are used to declare return types and are also used as placeholders for the argument types that are passed to the method – these are known as type arguments.

      The body of a generic method is declared in the same way as any other method. Do note that a type parameter

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