Ruby | Array class frozen?() operation

Array#frozen?() : frozen?() is a Array class method which checks whether the array is frozen (or temporarily frozen while being sorted)

Syntax: Array.frozen?()

Parameter: Array to check

Return: true – if array is frozen; otherwise false

Code #1 : Example for frozen?() method

# Ruby code for frozen?() method

# declaring array
a = [18, 22, 33, nil, 5, 6]

# declaring array
b = [1, 4, 1, 1, 88, 9]

# declaring array
c = [18, 22, nil, nil, 50, 6]

# frozen?
puts "frozen? : #{a.frozen?()}\n\n"

# frozen?
puts "frozen? : #{b.frozen?()}\n\n"

# frozen?
puts "frozen? : #{c.frozen?()}\n\n"

Output :

frozen? : false

frozen? : false

frozen? : false

Code #2 : Example for frozen?() method

# Ruby code for frozen?() method

# declaring array
a = ["abc", "nil", "dog"]

# declaring array
b = ["cow", nil, "dog"]

# declaring array
c = ["cat", nil, nil]

# frozen?
puts "frozen? : #{a.frozen?()}\n\n"

# frozen?
puts "frozen? : #{b.frozen?()}\n\n"

# frozen?
puts "frozen? : #{c.frozen?()}\n\n"

Output :

frozen? : false

frozen? : false

frozen? : false