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count duplicate items in array ()
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| array = ['jim','jack','joe','larry','larry','larry','larry','larry', 'joe'] | |
| def count_items(array) | |
| hash = {} | |
| array.each do |name| | |
| if hash[name] | |
| hash[name] = hash[name] + 1 | |
| else | |
| hash[name] = 1 | |
| end | |
| end | |
| puts hash | |
| end | |
| count_items(array) |
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