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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.
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.
The following code example creates an empty Dictionary<TKey,TValue> of strings with string keys and uses the Add method to add some elements. The example demonstrates that the Add method throws an ArgumentException when attempting to add a duplicate key.
The Dictionary<TKey,TValue> class represents a collection of keys and values. It belongs to the System.Collections.Generic namespace. The TKey and TValue are the types of keys and values in the dictionary. Every key in a dictionary must be unique. Also, a key cannot be null if its type is a reference type.
30 gru 2022 · Dictionaries in C# are collections of keys, values, and a well-used class. I’ll show you the class’s basics in this tutorial with examples. I’ll explain what a dictionary is, what it’s used for, and how we use them.
26 sty 2023 · C# Dictionary is a data structure that holds key-value pairs. It's called a Dictionary because the key is used to look up the corresponding value, just like in a real dictionary. The good thing is that the dictionary is a generic, so we can use it to store values of any type.
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.
