Array#empty?() : empty?() is a Array class method which checks if the array is empty or not.
Syntax: Array.empty?()
Parameter: Array
Return: true – if no element is present in the array; otherwise false
Code #1 : Example for empty?() method
# Ruby code for empty?() method # declaring array a = [18, 22, 33, nil, 5, 6]
# declaring array b = [1, 4, 1, 1, 88, 9]
# declaring array c = [] # empty? puts "empty? : #{a.empty?()}\n\n"
# empty? puts "empty? : #{b.empty?()}\n\n"
# empty? puts "empty? : #{c.empty?()}\n\n"
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Output :
empty? : false empty? : false empty? : true
Code #2 : Example for empty?() method
# Ruby code for empty?() method # declaring array a = ["abc", "nil", "dog"]
# declaring array b = ["cow", nil, "dog"]
# declaring array c = ["cat", nil, nil]
# empty? puts "empty? : #{a.empty?()}\n\n"
# empty? puts "empty? : #{b.empty?()}\n\n"
# empty? puts "empty? : #{c.empty?()}\n\n"
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Output :
empty? : false empty? : false empty? : false