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Learn how to implement design patterns in Java: each pattern in Java Design Patterns is a complete implementation and the output is generated using Eclipse, making the code accessible to all. The examples are chosen so you will be able to absorb the core concepts easily and quickly. This book presents the topic of design patterns in Java in such a way that anyone can grasp the idea. By giving easy to follow examples, you will understand the concepts with increasing depth. The examples presented are straightforward and the topic is presented in a concise manner. Key features of the book: Each of the 23 patterns is described with straightforward Java code. There is no need to know advanced concepts of Java to use this book. Each of the concepts is connected with a real world example and a computer world example. The book uses Eclipse IDE to generate the output because it is the most popular IDE in this field. This is a practitioner's book on design patterns in Java. Design patterns are a popular topic in software development. A design pattern is a common, well-described solution to a common software problem. There is a lot of written material available on design patterns, but scattered and not in one single reference source. Also, many of these examples are unnecessarily big and complex.

Computer Science --- Engineering & Applied Sciences --- Java (Computer program language) --- Computer science. --- Computer programming. --- Programming languages (Electronic computers). --- Computer Science. --- Programming Techniques. --- Programming Languages, Compilers, Interpreters. --- Computer languages --- Computer program languages --- Computer programming languages --- Machine language --- Electronic data processing --- Languages, Artificial --- Computers --- Electronic computer programming --- Electronic digital computers --- Programming (Electronic computers) --- Coding theory --- Informatics --- Science --- Programming --- Object-oriented programming languages --- JavaSpaces technology --- Java (Computer program language). --- Java.

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Get hands-on experience with each Gang of Four design pattern using the latest version of C# (Visual Studio Community 2017). For each of the patterns, you’ll see at least one real-world scenario, a coding example, and a complete implementation including output. In the first part of Design Patterns in C#, you will cover the 23 Gang of Four (GoF) design patterns, before moving onto some alternative design patterns, including the Simple Factory Pattern, the Null Object Pattern, and the MVC Pattern. The final part winds up with a conclusion and criticisms of design patterns with chapters on anti-patterns and memory leaks. By working through easy-to-follow examples, you will understand the concepts in depth and have a collection of programs to port over to your own projects. Along the way, the author discusses the different creational, structural, and behavioral patterns and why such classifications are useful. In each of these chapters, there is a Q&A session that clears up any doubts and covers the pros and cons of each of these patterns.He finishes the book with FAQs that will help you consolidate your knowledge. This book presents the topic of design patterns in C# in such a way that anyone can grasp the idea. You will: Work with each of the design patterns Implement the design patterns in real-world applications Select an alternative to these patterns by comparing their pros and cons Use Visual Studio Community Edition 2017 to write code and generate output.

Computer science. --- Programming languages (Electronic computers). --- Application software. --- Computer Science. --- Microsoft and .NET. --- Programming Languages, Compilers, Interpreters. --- Computer Applications. --- Computer software --- Object-oriented programming (Computer science) --- Development. --- C# (Computer program language) --- Computer programming --- Object-oriented methods (Computer science) --- Document Object Model (Web site development technology) --- Development of computer software --- Software development --- Microsoft software. --- Microsoft .NET Framework. --- Informatics --- Science --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer languages --- Computer program languages --- Computer programming languages --- Machine language --- Electronic data processing --- Languages, Artificial --- Compilers (Computer programs). --- Microsoft. --- Compilers and Interpreters. --- Computer and Information Systems Applications. --- Compiling programs (Computer programs) --- Computer programs --- Programming software --- Systems software

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Get hands-on experience implementing 26 of the most common design patterns using Java and Eclipse. In addition to Gang of Four (GoF) design patterns, you will also learn about alternative design patterns, and understand the criticisms of design patterns with an overview of anti-patterns. For each pattern you will see at least one real-world scenario, a computer-world example, and a complete implementation including output. This book has three parts. The first part covers 23 Gang of Four (GoF) design patterns. The second part includes three alternative design patterns. The third part presents criticisms of design patterns with an overview of anti-patterns. You will work through easy-to-follow examples to understand the concepts in depth and you will have a collection of programs to port over to your own projects. A Q&A session is included in each chapter and covers the pros and cons of each pattern. The last chapter presents FAQs about the design patterns. The step-by-step approach of the book helps you apply your skills to learn other patterns on your own, and to be familiar with the latest version of Java and Eclipse. What You'll Learn: Work with each of the design patterns Implement design patterns in real-world applications Choose from alternative design patterns by comparing their pros and cons Use the Eclipse IDE to write code and generate output Read the Q&A session in each chapter with pros and cons for each design pattern.

Java (Computer program language) --- Java (Computer program language). --- Computer science. --- Java. --- Programming Techniques. --- Programming Languages, Compilers, Interpreters. --- Informatics --- Science --- Object-oriented programming languages --- JavaSpaces technology --- Computer programming. --- Programming languages (Electronic computers). --- Computer languages --- Computer program languages --- Computer programming languages --- Machine language --- Electronic data processing --- Languages, Artificial --- Computers --- Electronic computer programming --- Electronic digital computers --- Programming (Electronic computers) --- Coding theory --- Programming

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Apply skills and approaches to your programming to build a real-world application in C# 9 using the latest editions of Visual Studio, C#, and Microsoft .NET. Each chapter opens with an introduction and original application written in C# 9 for you to jump into coding. From there, you are guided through an expected output and taught best practices along the way. Author Vaskaran Sarcar emphasizes extending and maintaining the same program and he demonstrates examples for different scenarios to make your program more efficient and effective. This book is divided into four parts. The first part starts with a detailed discussion of polymorphism. It then shows you how to make proper use of abstract classes and interfaces, and you will know which technique to use for a specific scenario. Discussions on code comments teach you how to use them effectively, and why you need to be careful with code comments. In the second part you will learn six design principles, including SOLID and DRY principles. These are the foundation of well-known design patterns and they establish practices for developing software with considerations for maintaining and extending as a project grows. The third part takes you through the methods to make efficient applications. You will learn the common use of factories to separate code from its opposite and the alternative of inheritance using object composition and wrappers. This part also demonstrates the use of template methods, hooks, and facades in programming. Hints show you how professional coders develop an enterprise application. In the fourth and final part you will learn about effective memory management techniques by preventing leaks in your application and the use and misuse of design patterns. This part also discusses how to decide between a static method and an instance method and other techniques, in brief. After reading this book, you will be able to implement best practices to make your programs more effective and reliable. You will: Analyze the alternative solutions before implementation by comparing the pros and cons Make polymorphic code perform better Know the side-effects of bad/redundant comments Understand the significance of the SOLID and DRY principles Add features using wrappers Redefine steps without altering the calling sequence of an algorithm Use hooks in your application Convert a complex system into a user-friendly system using facades Test your application in the latest edition of .NET.

C# (Computer program language) --- Microsoft Visual studio. --- Visual studio --- Microsoft Visual studio 97 --- Visual studio .NET --- Microsoft Visual studio 2005 --- Visual studio 2005 tools for Office --- Visual studio tools for Office --- VSTO --- Microsoft software. --- Microsoft .NET Framework. --- Microsoft. --- Computer software

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Review the fundamental constructs in C# using Q&As and program segments to boost your confidence and gain expertise. This book will help you analyze your programs more efficiently and enhance your programming skills. The book is divided into three parts, where you will learn the fundamentals, object-oriented programming, and some advanced features of C#. In the first part, you will review C# and .NET basics along with the important constructs such as strings, arrays, and structures. In the second part, you'll review the concepts of object-oriented programming in detail. Here, you will go through various program segments in class and objects, inheritance, polymorphism, abstraction, encapsulation, and much more. You will also analyze the output of the given programs with the help of Q&A sections. The uses of interfaces, static class, and exception handling are discussed in the book along with some other important concepts in C#. In the third and last part, you will learn advanced features of C# programming such as delegates, events, lambdas, generics, and multithreading. Here, you'll also cover some of the latest features of C#. After reading this book, you will be able to analyze and apply the basic and frequently used features along with the advanced features of C#. What Will You Learn Understand the core and some of the latest features in C# Review your programming skills along with some of the latest features in C# Know how object-oriented programming (OOP) is used in C# Get up and running on the advanced features of C# such as delegates, lambdas, generics, and more.

C# (Computer program language) --- Computer programming. --- Computers --- Electronic computer programming --- Electronic data processing --- Electronic digital computers --- Programming (Electronic computers) --- Coding theory --- Programming --- Microsoft software. --- Microsoft .NET Framework. --- Programming languages (Electronic computers). --- Microsoft. --- Programming Language. --- Computer languages --- Computer program languages --- Computer programming languages --- Machine language --- Languages, Artificial --- Computer software