Blocks and sorting

Question 1

define a method called greeting that prints “Hello world!”

Answer 1

def greeting
puts “Hello World!”
end

Question 2

define a method that takes your name as an argument, then call the function

Answer 2

def my_name(name)
  puts "Hey, #{name}!"
end

my_name(“Mina”)
» Hey, Mina!

Question 3

define a splat greeting method that does not know how many arguments will be

Answer 3

def what_up(greeting, *bros)
  bros.each { |bro| puts "#{greeting}, #{bro}!" }
end

what_up(“What up”, “Justin”, “Ben”, “Kevin Sorbo”)

Question 4

what does return do in methods?

Answer 4

it returns back the value evaluated using this method.

Question 5

define a method that check if the number is divisible by 3

Answer 5

def by_three?(n)
  return n % 3 == 0
end

by_three?(9)
» true

Question 6

define a method that takes 2 arguments and the 2nd is false by default

Answer 6

def my_method(arg1, arg2=false)