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The Handbook for Ruby Developers

Combining Conditions

Learn to use the AND and OR operators in the if statements.

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and and OR

We can combine conditions that go right after the if statement. Sometimes, we need to perform multiple checks:

if ...
  puts ...
end

There are two ways of combining the conditions: AND and OR. Each way can be represented by the characters && (double ampersand) and || (double pipe).

Example

Ruby
# Combining Conditions
puts 1 == 1 && 2 == 2 # it will display true because both conditions are true
puts 1 == 5 && 2 == 2 # it will display false because 1st condition is false
puts 1 == 5 || 2 == 2 # it will display true because OR opearator is used and one condition is true

Explanation

It is important to note that we can also ...