Method declaration with def in Ruby - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a method named greet.

Ruby

def [1]
  puts "Hello!"
end

Drag options to blanks, or click blank then click option'

Ahello

Bsay_hello

Cgreet

Dgreeting

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different method name than 'greet'.

Forgetting to write the method name after 'def'.

The method name should be greet as specified.

2fill in blank

medium

Complete the code to declare a method named add that takes two parameters.

Ruby

def [1](a, b)
  a + b
end

Drag options to blanks, or click blank then click option'

Aadd

Bsum

Cplus

Dcombine

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different method name than 'add'.

Leaving out the parameters.

The method name should be add as specified.

3fill in blank

hard

Fix the error in the method declaration by completing the method name.

Ruby

def [1](name)
  puts "Hello, #{name}!"
end

Drag options to blanks, or click blank then click option'

Ahello

Bgreeting

CsayHello

Dgreet

Attempts:

3 left

💡 Hint

Common Mistakes

Using camelCase instead of snake_case.

Choosing a method name that does not match the greeting.

The method name should be greet to match the usage.

4fill in blank

hard

Fill both blanks to declare a method that returns the square of a number.

Ruby

def [1](num)
  num [2] 2
end

Drag options to blanks, or click blank then click option'

Asquare

B*

C**

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using multiplication (*) instead of exponentiation (**).

Choosing a method name that does not describe squaring.

The method name is square and the exponent operator is ** in Ruby.

5fill in blank

hard

Fill all three blanks to declare a method that greets a person with their name and age.

Ruby

def [1](name, age)
  puts "Hello, [2]! You are [3] years old."
end

Drag options to blanks, or click blank then click option'

Agreet_person

B#{name}

C#{age}

Dgreet

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to use string interpolation syntax.

Using a method name that is too generic.

The method name is greet_person. Use Ruby string interpolation #{name} and #{age} to insert values.