Public IEnumerator> GetEnumerator() => internalDictionary. Private Dictionary> internalDictionary = new Dictionary>() public class DictionaryExampleĬlass RudimentaryMultiValuedDictionary : IEnumerable> This example also demonstrates the custom implementation of an indexer to initialize a collection using indexes. public class CatĬat cat = new Cat įoreach (string addressEntry in addresses)Ĭonsole.WriteLine("\r\n" + addressEntry) Īdd methods can use the params keyword to take a variable number of arguments, as shown in the following example. Typically initialization performs by initializers and initializer lists. The way to initialize an object depends on the programming language as well as its type, storage class, etc. For more information, see Auto-Implemented Properties. In C programming, initialization is the assignment of an initial value for a variable (object). Note the use of auto-implemented properties in the Cat class. The following example shows how to use an object initializer with a named type, Cat and how to invoke the parameterless constructor. Where classname is a valid identifier for the class. In terms of variables, a class would be the type, and an object would be the variable.
An object is an instantiation of a class. The object initializer syntax enables you to specify arguments for a constructor or omit the arguments (and parentheses syntax). Classes (I) Classes are an expanded concept of data structures: like data structures, they can contain data members, but they can also contain functions as members. Object initializers let you assign values to any accessible fields or properties of an object at creation time without having to invoke a constructor followed by lines of assignment statements. C# lets you instantiate an object or collection and perform member assignments in a single statement.
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