VB.NET STRING CLASS
The String Class represents character strings. The following sections describes , how to work with VB.NET String class . The String data type comes from the System.String class . The String type represents a string of Unicode Characters . The String class is a sealed class , so you cannot inherit another class from the String class.
The String object is Immutable , it cannot be modified once it created, that means every time you use any operation in the String object , you create a new String Object . So if you are in a situation in continuous operation with String Object it is recommended to use System.Text.StringBuilder . System.Text.StringBuilder class to modify a string without creating a new object. In the following sections you can see the important methods in details with descriptions .