Ruby | Array <<() method
Last Updated :
07 Jan, 2020
Array#<<() : <<() is an Array class method which add elements at the end of the array.
Syntax: Array.<<()
Parameter: – Arrays for adding elements.
– elements to add
Return: Array after adding the elements at the end.
Example #1 :
a = [ 18 , 22 , 33 , 4 , 5 , 6 ]
b = [ 5 , 4 , 22 , 1 , 88 , 9 ]
c = [ 18 , 22 , 33 , 40 , 50 , 6 ]
puts "adding elements in a : #{a << " 45 " << [" cat ", " rtt "]}\n\n"
puts "adding elements in b : #{b << " ratttt "}\n\n"
puts "adding elements in c : #{c << b}\n\n"
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Output :
adding elements in a : [18, 22, 33, 4, 5, 6, "45", ["cat", "rtt"]]
adding elements in b : [5, 4, 22, 1, 88, 9, "ratttt"]
adding elements in c : [18, 22, 33, 40, 50, 6, [5, 4, 22, 1, 88, 9, "ratttt"]]
Example #2 :
a = [ "abc" , "xyz" , "dog" ]
b = [ "cow" , "cat" , "dog" ]
c = [ "cat" , "1" , "dog" ]
puts "adding elements in a : #{a << " 45 " << [" cat ", " rtt "]}\n\n"
puts "adding elements in b : #{b << " ratttt "}\n\n"
puts "adding elements in c : #{c << b}\n\n"
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Output :
adding elements in a : ["abc", "xyz", "dog", "45", ["cat", "rtt"]]
adding elements in b : ["cow", "cat", "dog", "ratttt"]
adding elements in c : ["cat", "1", "dog", ["cow", "cat", "dog", "ratttt"]]
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