Creating Hashes : Hash.new « Hash « Ruby






Creating Hashes


# You can create an empty hash with the new class method.

months = Hash.new

 








Related examples in the same category

1.You can test to see if a hash is empty with empty?
2.Test how big it is with length or size
3.use new to create a hash with a default value which is otherwise just nil
4.access any key in a hash that has a default value
5.Hash with =>
6.Hash.new with block logic
7.This lazily initialized hash maps integers to their factorials