User:Aspsecret

In C#

Byilt-in Reference Types There are about 2500 built-in reference types in the .NET Framework. Everything not derived from System.ValueType is a reference type, including these 2500 or so built-in reference types. Table 1-3 lists the most commonly used types, from which many other reference types are derived. type 1. System.Object 2. System.String 3. System.Text.StringBuilder 4. System.Array 5. System.IO.Stream 6. System.Exception