Mastering GROOVY

Introduction

1.Getting Started with Groovy
1.1.Introduction to Groovy
1.2.Installing Groovy
1.3.Hello World in Groovy
1.4.Variables and Data Types
1.5.Operators and Expressions
1.6.Control Structures
1.7.Functions and Closures
1.8.Collections and Iteration
1.9.Working with Strings

2.Object-Oriented Programming in Groovy
2.1.Introduction to OOP in Groovy
2.2.Classes and Objects
2.3.Constructors and Destructors
2.4.Inheritance and Polymorphism
2.5.Interfaces and Abstract Classes
2.6.Metaprogramming in Groovy
2.7.Groovy DSLs (Domain-Specific Languages)

3.Advanced Groovy Features
3.1.Working with Closures
3.2.Dynamic Typing and Type Inference
3.3.Operator Overloading
3.4.Groovy Categories and Mixins
3.5.AST Transformations
3.6.Concurrency and Parallelism

4.Groovy and Java Integration
4.1.Interoperability with Java
4.2.Using Java Libraries in Groovy
4.3.Creating Groovy Libraries for Java
4.4.Groovy and Java Data Exchange
4.5.Groovy for Android Development

5.Functional Programming with Groovy
5.1.Functional Programming Concepts
5.2.Higher-Order Functions
5.3.Working with Closures and Currying
5.4.Functional Collections
5.5.Functional Error Handling
5.6.Asynchronous Programming

6.Grails - The Groovy Web Framework
6.1.Introduction to Grails
6.2.Setting Up a Grails Project
6.3.Grails Controllers and Views
6.4.GORM - Grails Object-Relational Mapping
6.5.Grails Services and Dependency Injection
6.6.Building RESTful APIs with Grails
6.7.Grails Security and Authentication

7.Testing and Debugging Groovy Applications
7.1.Writing Unit Tests with Spock
7.2.Mocking and Stubbing in Groovy Tests
7.3.Behavioral Testing with Geb
7.4.Debugging Groovy Code
7.5.Continuous Integration and Deployment

8.Groovy Scripting and Automation
8.1.Writing Groovy Scripts
8.2.Automating Tasks with Groovy
8.3.Building CLI (Command-Line Interface) Tools
8.4.Groovy for DevOps and System Administration
8.5.Building Plugins for Popular Tools

9.Database and Data Processing with Groovy
9.1.Working with Relational Databases
9.2.NoSQL Databases and Groovy
9.3.Data Processing and ETL (Extract, Transform, Load)
9.4.Groovy and Big Data Technologies
9.5.Data Visualization with Groovy

10.Groovy Best Practices and Performance Optimization
10.1.Writing Clean and Maintainable Groovy Code
10.2.Performance Tuning and Optimization
10.3.Memory Management and Efficiency
10.4.Profiling Groovy Applications
10.5.Security Best Practices

11.Groovy in the Real World
11.1.Groovy for Web Development
11.2.Groovy for Mobile App Development
11.3.Groovy in IoT (Internet of Things)
11.4.Groovy for Data Science and Analytics
11.5.Groovy in Enterprise Applications

12.Appendix
12.1.Groovy Syntax Cheat Sheet
12.2.Glossary of Terms
12.3.Recommended Resources
12.4.About the author