Groovy

✦Tutorial Intro

Groovy

✦Overview

Groovy

✦Environment

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✦Features

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✦Structure

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✦Hello world program

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✦Comments

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✦Single-line comment

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✦Multiline comment

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✦Groovydoc comment

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✦Shebang line

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✦Keywords

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✦Normal identifiers

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✦Quoted identifiers

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✦Variables

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✦instance

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✦local

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✦global

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✦Primitive type - boolean,char,short,int,long,float,double

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✦Reference types

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✦Arithmetic operators

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✦Unary operators

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✦Assignment operators

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✦Relational operators

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✦Logical operators

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✦Bitwise operators

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✦Conditional operators

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✦Not operator

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✦Ternary operator

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✦Object operators

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✦Regular expression operators

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✦Other operators

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✦Operator precedence

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✦Operator overloading

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✦if Statement

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✦if/else Statement

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✦Nested If Statement

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✦Switch Statement

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✦Nested Switch Statement

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✦While Statement

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✦for Statement

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✦for-in Statement

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✦Break Statement

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✦Continue Statement

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✦Overview

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✦Single-quoted string

Groovy

✦String concatenation

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✦Triple-single-quoted string

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✦Escaping special characters

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✦Unicode escape sequence

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✦Double-quoted string

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✦String interpolation

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✦GString and String hashCodes

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✦Triple-double-quoted string

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✦Slashy string

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✦Special cases

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✦Dollar slashy string

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✦String summary table

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✦Characters

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✦Overview

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✦Creating lists

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✦Mutable vs. Immutable lists

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✦Accessing elements

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✦Adding and removing elements

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✦Slicing lists

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✦size(),isEmpty(),contains()

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✦List Iteration using for loops

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✦List Methods

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✦List Comprehensions

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✦ranges in lists

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✦Overview

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✦Declaring arrays

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✦Initializing arrays

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✦Multidimensional arrays

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✦Accessing elements

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✦Modifying elements

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✦Array length

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✦Iterating over arrays using for loops, each

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✦Array Methods

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✦Array coersion.

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✦Overview

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✦Creating maps

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✦Key-value pairs

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✦Accessing values

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✦Adding and updating key-value pairs

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✦Removing key-value pairs

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✦Checking map size (size())

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✦containsKey(),containsValue()

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✦keySet(), values()

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✦Map Iteration using for loops

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✦each closureeachKey and eachValue closures

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✦Map Methods

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✦Working with dot notation for map access

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✦Overview

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✦Classes

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✦Normal class

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✦Inner class

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✦Anonymous inner class

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✦Abstract class

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✦Inheritance

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✦Superclasses

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✦Interfaces

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✦Class members

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✦Constructors

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✦Positional parameters

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✦Named parameters

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✦Methods

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✦Method definition

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✦Mixing named and positional parameters

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✦Default arguments

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✦Varargs

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✦Method selection algorithm

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✦Exception declaration

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✦Fields and Properties

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✦Fields

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✦Properties

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✦Property naming conventions

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✦Modifiers on a property

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✦Annotations on a property

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✦Split property definition with an explicit backing field

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✦Explicit accessor methods

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✦Overview

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✦Annotation definition

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✦Annotation placement

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✦Annotation member values

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✦Retention policy

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✦Closure annotation parameters

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✦Meta-annotations

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✦Declaring meta-annotations

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✦Behavior of meta-annotations

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✦Meta-annotation parameters

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✦Handling duplicate annotations in meta-annotations

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✦Custom meta-annotation processors

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✦Overview

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✦Methods

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✦Public methods

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✦Abstract methods

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✦Private methods

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✦Final methods

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✦The meaning of this

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✦Interfaces

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✦Properties

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✦Fields

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✦Private fields

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✦Public fields

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✦Composition of behaviors

Groovy

✦Overriding default methods

Groovy

✦Extending traits

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✦Simple inheritance

Groovy

✦Multiple inheritance

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✦Duck typing and traits

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✦Dynamic code

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✦Dynamic methods in a trait

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✦Multiple inheritance conflicts

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✦Default conflict resolution

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✦User conflict resolution

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✦Runtime implementation of traits

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✦Implementing a trait at runtime

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✦Implementing multiple traits at once

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✦Chaining behavior

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✦Semantics of super inside a trait

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✦Record classes (incubating)

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✦Special record features

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✦Compact constructor

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✦Serializability

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✦Argument defaults

Groovy

✦Declarative toString customization

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✦Obtaining a list of the record component values

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✦Obtaining a map of the record component values

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✦Obtaining the number of components in a record

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✦Obtaining the nth component from a record

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✦Dates & Times

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✦Regular Expressions

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✦Exception Handling

Groovy

✦Generics

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✦Closures

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✦XML

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✦JMX

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✦JSON

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✦DSLS

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✦Database

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✦Builders

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✦Command Line

Groovy

✦Unit Testing

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✦Template Engines

Groovy

✦Meta Object Programming