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Mastering Gradle

By : Mitra

3 (4)

Mastering Gradle

3 (4)

By: Mitra

Overview of this book

If you are a developer with some experience in build tool and want to become an expert in build tool, then this book is for you. Basic knowledge of Gradle or any other build tool is essential.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Started with Gradle

1. Getting Started with Gradle

Understanding Build Automation System

Gradle overview

Installation and quick start

Our first script

Gradle command Line arguments

The Gradle GUI

Start up script

Build life cycle

Cache management

Gradle with IDE

Summary

2. Groovy Essentials for Gradle

2. Groovy Essentials for Gradle

Overview

Groovy script for Hello World

Data types

Classes, beans, and methods

Control structures

Collections

Closure

Builder

Summary

3. Managing Task

3. Managing Task

Build script basics

Task configuration

Task execution

Task dependency

Task ordering

Task operations

Gradle's in-built tasks

Custom tasks

Summary

4. Plugin Management

4. Plugin Management

The script plugin

The binary plugin

Gradle's in-built plugins

The Java plugin

The custom plugin

Summary

5. Dependency Management

5. Dependency Management

Overview

Dependency configurations

Dependency resolution

Customizing the dependency

Publishing artifacts

Summary

6. Working with Gradle

6. Working with Gradle

The War plugin

The Scala plugin

Logging

File management

Property management

Multi-project build

Testing with Gradle

Summary

7. Continuous Integration

7. Continuous Integration

Jenkins walk-through

Checkstyle and PMD plugins

The Sonar Runner plugin

TeamCity walk-through

Summary

8. Migration

8. Migration

Migration from Ant

Migration from Maven

Summary

9. Deployment

9. Deployment

Role of Gradle in deployment

Docker overview

Installing Docker

Docker commands

Running an application in Docker

Build, Deployment, and Test pipeline

Summary

10. Building Android Applications with Gradle

10. Building Android Applications with Gradle

Creating Android project using Android Studio

Building the Android project with Gradle

Summary

Index

Index

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Data types

The first thing you learn about any programming language are the data types; how any programming language stores the data. Similar to the other programming languages, Groovy also offers a different set of data types for numerical, strings, char, and so on. As compared to Java, there are no primitive types present in Groovy. Groovy treats everything as an object, which makes Groovy a pure Object Oriented language. The problem with primitive data types is that developers can't perform any object-level operations, such as calling methods on them. Also, you can't store them as an object in maps and sets (collections that require objects). The following table shows primitive data types and wrapper types with default values:

Data type	Wrapper type	Default values
byte	Byte	0
short	Short	0
int	Integer	0
long	Long	0L
float	Float	0.0f
double	Double	0.0d
char	Character	\u0000
boolean	Boolean	false
String	Not Applicable	null

Groovy gives you the flexibility to...

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