Task<string> 释义：It defines a task that returns a string in the future. Task.Run<string>...
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Creating Tasks
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Little LipsEnumerable.Range(int start , int count) 生成指定范围内的整数序列（集合）例： yield 用法解释：yield是C#为了简化遍历操作实...
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SortedList
one value per key 一键一值 SortedList<TKey, TValue> multiple values per key 一键多值 Lookup<TKe...
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Collection
ArrayList (1)一种非泛型的listArrayList is a non-generic list that accepts any Object type for...
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Multicast Delegates 多播委托意义解释：一个委托包含多个方法 A delegate that wraps more than one method is known as a multicast del...
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Real Usefulness of Delegatescoding: BubbleSorter.cs: 注：1)指向一个方法The comparison must refer to a method that takes two...
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Simple Delegate ExampleCoding: MathOperations.cs: Main.cs: Result: (1)an array of delegates委托数组：In this code, ...
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Jagged Arrays 锯齿数组
小例子（一） coding：初始化int[][] jagged = new int[3][];jagged[0] = new int[2] { 1, 2 };jagged[1...
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Implementing User-Defined Casts实现自定义转换Currency.cs Main.cs Tips (1)尽量不损失精度的高级用法：Convert.ToUInt16The System.Convert object cont...
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Indexer-Syntax index用法Person.cs PersonCollection.cs 代码解析： (1)index 数组下标For allowing indexer-syntax to be used...
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Boxing and Unboxing
(1)概念：Boxing and its counterpart, unboxing, enable you to convert value types to refere...
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Type Safer
BigInteger BigInteger is a struct that contains a number of any size. You can initializ...
