using System.Collections.Generic;//引用命名空间//Dictionary可以理解为散列集合 public class DictionaryTest { public static void Main() { //1.初始化 Dictionary<string, string> dicA = new Dictionary<string, string>(); //2.添加元素 key,value->学号,姓名 dicA.Add("A0…
Python dictionary 字典 常用法 d = {} d.has_key(key_in) # if has the key of key_in d.keys() # keys list d.values() # values list d.get(key_in,[defualt]) # it will return 'NoneType' or [default] if with the secon…
// // main.swift // 字典 // // Created by zhangbiao on 14-6-15. // Copyright (c) 2014年 理想. All rights reserved. // import Foundation println("字典") /* 字典是一种存储相同类型多重数据的存储器.每个值(value)都关联独特的键(key),键作为字典中的这个值数据的标识符.和数组中的数据项不同,字典中的数据项并没有具体顺序.我们在需要通过…
Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other words in words. If there is more than one possible answer, return the longest word with the smallest l…
字典以键值对的形式存储数据. 键不能重复,但是值可以重复. 基本语法用例: var states : Dictionary<String, String> = ["CA" : "California"] var states : [String : String] = ["CA" : "California"] 也可以使用类型推断的方式: var states = ["CA" : "C…