require_relative "course_01_collections/serving_01_fixed_arrays"
require_relative "course_01_collections/serving_02_array_lists"
require_relative "course_01_collections/serving_03_linked_lists"
require_relative "course_01_collections/serving_04_doubly_linked_lists"
require_relative "course_01_collections/serving_05_stacks"
require_relative "course_01_collections/serving_06_queues"
#require_relative "course_01_collections/serving_07_trees"
#require_relative "course_01_collections/serving_08_tree_maps"
#require_relative "course_01_collections/serving_09_hash_maps"
#require_relative "course_01_collections/serving_10_tree_sets"
#require_relative "course_01_collections/serving_11_hash_sets"
