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Practical Design Patterns for Java Developers

You're reading from   Practical Design Patterns for Java Developers Hone your software design skills by implementing popular design patterns in Java

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Product type Paperback
Published in Feb 2023
Publisher Packt
ISBN-13 9781804614679
Length 266 pages
Edition 1st Edition
Languages
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Author (1):
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Miroslav Wengner Miroslav Wengner
Author Profile Icon Miroslav Wengner
Miroslav Wengner
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Table of Contents (14) Chapters Close

Preface 1. Part 1: Design Patterns and Java Platform Functionalities
2. Chapter 1: Getting into Software Design Patterns FREE CHAPTER 3. Chapter 2: Discovering the Java Platform for Design Patterns 4. Part 2: Implementing Standard Design Patterns Using Java Programming
5. Chapter 3: Working with Creational Design Patterns 6. Chapter 4: Applying Structural Design Patterns 7. Chapter 5: Behavioral Design Patterns 8. Part 3: Other Essential Patterns and Anti-Patterns
9. Chapter 6: Concurrency Design Patterns 10. Chapter 7: Understanding Common Anti-Patterns 11. Assessments 12. Index 13. Other Books You May Enjoy

Giving meaning to the context using the interpreter pattern

The interpreter pattern interprets sequences of characters into desired actions. It was identified early due to its use in SQL statement translation and described in more detail in the GoF’s book.

Motivation

The interpreter pattern defines two types of objects that refer to specific sequences of characters. They are terminal and non-terminal actions or operations that can be performed on the sequence of characters under consideration. These operations represent the computer language that is used and have their own semantics. The syntactic tree of a given sentence – a sequence of characters – is an instance of a compound pattern and is used to evaluate and interpret meaning for the client program.

Finding it in the JDK

The java.base module contains the java.util.regex package with the Pattern class. This class represents the compilation of regular expressions. Specific semantics are applied...

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