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The Java Workshop

The Java Workshop

By : David Cuartielles , Andreas Göransson, Foster-Johnson
3.1 (8)
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The Java Workshop

The Java Workshop

3.1 (8)
By: David Cuartielles , Andreas Göransson, Foster-Johnson

Overview of this book

Java is a versatile, popular programming language used across a wide range of industries. Learning how to write effective Java code can take your career to the next level, and The Java Workshop will help you do just that. This book is designed to take the pain out of Java coding and teach you everything you need to know to be productive in building real-world software. The Workshop starts by showing you how to use classes, methods, and the built-in Collections API to manipulate data structures effortlessly. You’ll dive right into learning about object-oriented programming by creating classes and interfaces and making use of inheritance and polymorphism. After learning how to handle exceptions, you’ll study the modules, packages, and libraries that help you organize your code. As you progress, you’ll discover how to connect to external databases and web servers, work with regular expressions, and write unit tests to validate your code. You’ll also be introduced to functional programming and see how to implement it using lambda functions. By the end of this Workshop, you’ll be well-versed with key Java concepts and have the knowledge and confidence to tackle your own ambitious projects with Java.
Table of Contents (20 chapters)
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Introduction

In your career as a developer, you will often find a search for information to be a logical first step to problem-solving: searching for documentation, searching for a specific line of code, or just making a program that extracts information from a given body of text into data that the program can understand.

A regular expression is a specific language for defining these search rules, much like Java is a language to construct programs. The syntax can be quite complex. When you see a regular expression for the first time, it can be daunting.

The following is a very basic pattern matcher for an email address construction, with many flaws:

/.+\@.+\..+/

If you're seeing this for the first time, you might think that it's a typographical error (or that a cat was involved). However, it's perfectly legitimate code. We'll dive deeper into the construction of this example shortly, but first, let's take a look at a more thorough pattern-matcher...

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