=begin File: hash_map.rb Created Time: 2024-04-14 Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com) =end require_relative '../utils/print_util' ### Driver Code ### if __FILE__ == $0 # 初始化雜湊表 hmap = {} # 新增操作 # 在雜湊表中新增鍵值對 (key, value) hmap[12836] = "小哈" hmap[15937] = "小囉" hmap[16750] = "小算" hmap[13276] = "小法" hmap[10583] = "小鴨" puts "\n新增完成後,雜湊表為\nKey -> Value" print_hash_map(hmap) # 查詢操作 # 向雜湊表中輸入鍵 key ,得到值 value name = hmap[15937] puts "\n輸入學號 15937 ,查詢到姓名 #{name}" # 刪除操作 # 在雜湊表中刪除鍵值對 (key, value) hmap.delete(10583) puts "\n刪除 10583 後,雜湊表為\nKey -> Value" print_hash_map(hmap) # 走訪雜湊表 puts "\n走訪鍵值對 Key->Value" hmap.entries.each { |key, value| puts "#{key} -> #{value}" } puts "\n單獨走訪鍵 Key" hmap.keys.each { |key| puts key } puts "\n單獨走訪值 Value" hmap.values.each { |val| puts val } end