How to check if a array is empty in Ruby
In this post we will give you information about How to check if a array is empty in Ruby. Hear we will give you detail about How to check if a array is empty in RubyAnd how to use it also give you demo for it if it is necessary.
we are going to learn about how to check if a given array is empty or not in ruby.
Checking array is empty
To check if a array is empty or not, we can use the built-in empty? method in Ruby.
The empty? method returns true if a array is empty; otherwise, it returns false.
Here is an example:
prices = []if prices.empty? puts "array is empty"else puts "array is not empty"end
Output:
"array is empty"
Similarly, we can also use the length method to check for an empty array in Ruby.
Example:
prices = []if !prices.length puts "array is empty"else puts "array is not empty"end
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