Ruby Array contains method index() to get the selected element index inside array. Syntax: Example: # array declaration lang = ["Java","Flutter","ReactNative","Ruby","Perl"] puts "Array index implementation." puts "Enter the element whose index you want to find:" ele = gets.chomp if(ind = lang.index(ele)) puts "#{ele} found at index #{ind}" else puts "Array doesn't contains given element" end Output
array_instance.index()
Array index implementation.
Enter the element whose index you want to find:
Flutter
Flutter found at index 1
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