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Introduction to Ruby and Object Oriented Programming
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Chapter 1: Getting Started with Web Development
1. Goals of the Intro Course
2. Guidelines for Learning
Chapter 2: Ruby Fundamentals
1. Introduction to Ruby
2. Setting up your environment
3. Super basic command line crash course
4. Your First Ruby Program
5. Math is easy
6. Strings
7. Variables
8. Arrays
9. Hashes
10. Looping and Iterating
11. Defining our own methods
12. Conditionals and Logical Operators
Chapter 3: Object oriented programming
1. Introduction to Object Oriented Programming
2. Classes
3. Instance Variables
4. attr_reader and attr_writer
5. Instance Methods, Class Methods, and Encapsulation
6. Inheritance
Chapter 4: Ruby challenges
1. FooBar Challenge
2. Test-First Ruby: Hello
3. Challenge: Temperature Conversion
4. Challenge: Ordinal
5. Challenge: Building a Deck of Cards
Introduction to Ruby and Object Oriented Programming > Ruby Fundamentals
Quiz - 5. Math is easy
Q1.
Select all valid data types.
String
Fixnum
Float
Word
Q2.
Select the correct statements.
irb can run ruby code.
Ruby can be used to make simple calculator.
String interpolation can be used in Ruby inside single quote.
Fixnum can be converted to string in ruby.
Q3.
What can we do with irb?
Perform mathematical calculations.
Run logical experssions.
Run any linux commands.
Make functions and run them.
Q4.
Choose the correct statements
"100" * 3 gives 100100100
10.0.class gives Integer
2 + 3 is #{2 + 3} gives 2 + 3 is 5
10 % 7 gives 3
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