Course Content

Introduction to Ruby

How to use LearnVern

What is RVM?

How to Install RVM & Ruby Practical

Assignmen of installation version

RVM Functions

RVM Functions Practicals

RVM Assignment-1

RVM Assignment-2

RVM Quiz

Variables Introductions

Local & Global Variables

Instance & Class Variables

Constant

Variables Quiz

Boolean

Numbers

Symbols

Arrays

Hashes

Strings

Object Oriented

Class & Objects

Initializer Method

Instance Method

Initializer Instance Method Practical

Assignment of Initialize Method

Assignment of Instance method

Class Method

Class Method Practical

Class & Methods

Assignment of Class Method

Attribute

Assignment of attr_reader

Assignment of attr_assessor

Assignment of att_write

Object Oriented Quiz

Class and Methods Quiz

Control_Structure Intro

If Else Statement

Assignment of If Else Statement

Unless Statement

Case Statement

Assignment of Case Statement

Intro + While Loop

Assignment of While Loop

Until Loop

Assignment of Until Loop

For Loop

Assignment of For Loop

Break Statement

Assignment of Break Statement

Next Statement

Assignment of Next Statement

Redo Statement

Assignment of Redo Statement

Assignment of Control Structure

Ruby Control Structure Quiz

Introduction of Comments

Assignment of Single line Comments

Assignment of Multi line Comments

Comments Quiz

Arithmetic Operators

Arithmetic Operator Example

Assignment of Arithmetic Operators

Assignment Operators

Assignment Operator Example

Assignment of Assignment Operator

Logical Operators

OR Operator

NOT Operator

Comparison Operators

Comparison Operators Example-1

Comparison Operators Example-2

Assignment of Comparision Operators

Assignment 2 of Arithmetic Operators, Comparision Operators

Assignment 3 of Arithmetic Operators, Comparision Operators

Assignment 5 of Arithmetic Operators, Comparision Operators

Bitwise Operators

And Operator Example

OR Operator Example

XOR Operator

Assignment of Bitwise Operator

Ones Complement Operator

Binary Left Shift Operator

Binary Right Shift Operator

Ternary Operator

Ternary Operator Example

Range Operators

Range Operator Example

Assignment of Range Operator

Operators Quiz

Introduction to Array

Create Array

Access Elements from Array

Methods of Array

Add Element in Array

Remove Element from Array

Assignment of Array

Assignment of Create Array

Assignment of Add element

Array Quiz

Introduction of Hashes

Create Hash

Assignment of Create Hash

Access Elements from Hash

Methods of Hash + Key Method

Hash Methods of values

Hash Methods of clear

Hash Method of delete

Hash Methods of empty

Hash Methods of length

Hash Methods of .has key(key) OR .key(key)

Hash Methods of has value(value) OR .value(value)

Hash Method of Index(value)

Hash Method of Size

Hashes Quiz

Introduction of Blocks

Simple Block

Block With Single Arguments

Block With Multiple Arguments

Assignment of Block

Block Variable Scope

Block Local Scope Variables

Block Global Scope Variables

Assignment of Block Variable

Blocks Quiz

Introduction of Exception

Handling Exceptions

Handling Exceptions Example

Assignment of Handling Exceptions

Retry Statement

Retry Statement Example

Ensure Statement

Ensure Statement Example

Exceptions Assignment-2

Exceptions Assignment-3

Ruby Final Quiz

Assignment of Array

Ruby Programming Course Array

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Discussion

Course Content

Introduction to Ruby

How to use LearnVern

What is RVM?

How to Install RVM & Ruby Practical

Assignmen of installation version

RVM Functions

RVM Functions Practicals

RVM Assignment-1

RVM Assignment-2

Variables Introductions

Local & Global Variables

Instance & Class Variables

Constant

Boolean

Numbers

Symbols

Arrays

Hashes

Strings

Object Oriented

Class & Objects

Initializer Method

Instance Method

Initializer Instance Method Practical

Assignment of Initialize Method

Assignment of Instance method

Class Method

Class Method Practical

Class & Methods

Assignment of Class Method

Attribute

Assignment of attr_reader

Assignment of attr_assessor

Assignment of att_write

Control_Structure Intro

If Else Statement

Assignment of If Else Statement

Unless Statement

Case Statement

Assignment of Case Statement

Intro + While Loop

Assignment of While Loop

Until Loop

Assignment of Until Loop

For Loop

Assignment of For Loop

Break Statement

Assignment of Break Statement

Next Statement

Assignment of Next Statement

Redo Statement

Assignment of Redo Statement

Assignment of Control Structure

Introduction of Comments

Assignment of Single line Comments

Assignment of Multi line Comments

Arithmetic Operators

Arithmetic Operator Example

Assignment of Arithmetic Operators

Assignment Operators

Assignment Operator Example

Assignment of Assignment Operator

Logical Operators

OR Operator

NOT Operator

Comparison Operators

Comparison Operators Example-1

Comparison Operators Example-2

Assignment of Comparision Operators

Assignment 2 of Arithmetic Operators, Comparision Operators

Assignment 3 of Arithmetic Operators, Comparision Operators

Assignment 5 of Arithmetic Operators, Comparision Operators

Bitwise Operators

And Operator Example

OR Operator Example

XOR Operator

Assignment of Bitwise Operator

Ones Complement Operator

Binary Left Shift Operator

Binary Right Shift Operator

Ternary Operator

Ternary Operator Example

Range Operators

Range Operator Example

Assignment of Range Operator

Introduction to Array

Create Array

Access Elements from Array

Methods of Array

Add Element in Array

Remove Element from Array

Assignment of Array

Assignment of Create Array

Assignment of Add element

Introduction of Hashes

Create Hash

Assignment of Create Hash

Access Elements from Hash

Methods of Hash + Key Method

Hash Methods of values

Hash Methods of clear

Hash Method of delete

Hash Methods of empty

Hash Methods of length

Hash Methods of .has key(key) OR .key(key)

Hash Methods of has value(value) OR .value(value)

Hash Method of Index(value)

Hash Method of Size

Introduction of Blocks

Simple Block

Block With Single Arguments

Block With Multiple Arguments

Assignment of Block

Block Variable Scope

Block Local Scope Variables

Block Global Scope Variables

Assignment of Block Variable

Introduction of Exception

Handling Exceptions

Handling Exceptions Example

Assignment of Handling Exceptions

Retry Statement

Retry Statement Example

Ensure Statement

Ensure Statement Example

Exceptions Assignment-2

Exceptions Assignment-3

FAQs

Use square brackets ([]) to build an array in a Ruby programme, and commas to separate the values you want to store.

Array#length(): length() is a method of the Array class that returns the number of elements in the array. The number of elements in the array is returned.

The simplest approach to print the contents of an array is to pass the array as a parameter to the puts or print method. On a separate line, each element is printed. The output is more readable when the examine method is used. The line outputs the array's string representation to the terminal.

Because the index of each item in an array maps to a specific memory address, which may be accessed directly without traversing the array, arrays allow for random access. Arrays just need to contain data, hence pointers to other memory addresses are unnecessary.

Array#unshift prepends an element to the beginning of an array, while Array#push appends an element to the end of an array in Ruby. The names of these approaches aren't immediately obvious. Prepend and append are aliases for the unshift and push methods in Active Support from Rails.

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