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2 wrz 2024 · In C#, Dictionary is a generic collection which is generally used to store key/value pairs. The working of Dictionary is quite similar to the non-generic hashtable. The advantage of Dictionary is, it is generic type. Dictionary is defined under System.Collections.Generic namespace.
The example shows how to use the TryGetValue method as a more efficient way to retrieve values if a program often must try key values that are not in the dictionary, and it shows how to use the ContainsKey method to test whether a key exists before calling the Add method.
A Dictionary is a generic collection that consists of elements as key/value pairs. In this tutorial, you will learn about the C# Dictionary with the help of examples.
Learn how to create, access, update and remove elements from a dictionary, a generic collection that stores key-value pairs in no particular order. See examples of creating a dictionary using collection-initializer syntax, indexer, ElementAt() method and more.
Learn how to use the C# Dictionary class to create and manipulate dictionaries of keys and values. See examples of creating, populating, accessing, iterating and using dictionaries in C# code.
C# Dictionary is a key-value data structure that allows efficient retrieval, storage, and manipulation of data. It provides a collection of unique keys mapped to corresponding values, offering fast access to values based on their keys.
5 lip 2023 · Learn how to work with a Dictionary collection in C#, a collection of unique keys and values. See how to initialize, add, remove, count, and traverse dictionaries using literal notation, methods, and foreach loops.
