What is the difference between a list and a dictionary in C#?

A dictionary is a collection of keys and values ​​in C#. Dictionary is contained in the System.Collection.Generics namespace. Dictionary is a generic type and will return an error if you try to find a key that does not exist.

List collection is a generic class that can store any data type to create a list.

A list is a set of items -

List<string> myList = new List<string>() {
   "Maths",
   "English",
"   Science"
};

A dictionary is a set of key-value pairs.

Dictionary<string, int> d = new Dictionary<string, int>();

d.Add("squash", 1);
d.Add("football", 2);
d.Add("rugby", 3);

Looping through lists is easier and faster, and elements can be accessed easily using indexes through the list.

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