C# |创建一个空的区分大小写的混合字典类
原文:https://www . geesforgeks . org/c-sharp-creating-a-empty-区分大小写-hybriddictionary-class/
杂交词典()创建一个空的 区分大小写的 杂交词典。
语法:
public HybridDictionary ();
下面给出了一些例子，以便更好地理解实现:
例 1:
// C# code to create an empty
// case-sensitive HybridDictionary.
using System;
using System.Collections;
using System.Collections.Specialized;
class GFG {
// Driver code
public static void Main()
{
// Creating an empty case-sensitive
// HybridDictionary named myDict
HybridDictionary myDict = new HybridDictionary();
// Adding key/value pairs in myDict
myDict.Add("I", "first");
myDict.Add("II", "second");
myDict.Add("III", "third");
myDict.Add("IV", "fourth");
myDict.Add("V", "fifth");
// Displaying the key/value pairs in myDict
foreach(DictionaryEntry de in myDict)
Console.WriteLine(de.Key + " " + de.Value);
}
}
输出:
I first
II second
III third
IV fourth
V fifth
例 2:
// C# code to create an empty
// case-sensitive HybridDictionary.
using System;
using System.Collections;
using System.Collections.Specialized;
class GFG {
// Driver code
public static void Main()
{
// Creating an empty case-sensitive
// HybridDictionary named myDict
HybridDictionary myDict = new HybridDictionary();
// Adding key/value pairs in myDict
myDict.Add("A", "Apple");
// To show that the HybridDictionary is
// case-sensitive
myDict.Add("a", "Air");
myDict.Add("B", "Banana");
myDict.Add("C", "Cat");
myDict.Add("D", "Dog");
myDict.Add("d", "Dolphine");
myDict.Add("E", "Elephant");
myDict.Add("F", "Fish");
// Displaying the key/value pairs in myDict
foreach(DictionaryEntry de in myDict)
Console.WriteLine(de.Key + " " + de.Value);
}
}
输出:
A Apple
a Air
B Banana
C Cat
D Dog
d Dolphine
E Elephant
F Fish
注:
- 默认情况下，集合区分大小写。
- 比较器确定两个键是否相等。混合字典中的每个键都必须是唯一的。
- 这个构造函数是一个 O(1)运算。
参考:
- https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.hybriddictionary.-ctor?view=netframework-4.7.2# System_Collections_Specialized_HybridDictionary__ctor
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