shuffle!() is a Array class method which shuffles elements in an array Syntax Array.shuffle!() Example: With shuffle!() method we will shuffle the given array elements. a = [1, 22, 123, nil, 2, 3] # declaring array b = [12, 24, 41, 1, 48, 99] # declaring array c = [18, 22, 50, 6] # shuffle! method example puts "shuffle!() method form : #{a.shuffle!()}\n\n" puts "shuffle!() method form : #{b.shuffle!()}\n\n" puts "shuffle!() method form : #{c.shuffle!()}\n\n" Output
shuffle!() method form : [2, 1, 123, 3, nil, 22]
shuffle!() method form : [24, 99, 48, 1, 12, 41]
shuffle!() method form : [50, 18, 6, 22]
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