What are the Built-in Exceptions in C#?

1.	What are the Built-in Exceptions in C#?
Answer» Exceptions in C# are REPRESENTED by classes. The System.Exception class has all the classes to handle exceptions. Let us see some of the classes under the System.Exception class: System.IO.IOException: Handles I/O errors. System.IndexOutOfRangeException: Handles errors generated when a method refers to an array index out of range. System.ArrayTypeMismatchException: Handles errors generated when TYPE is mismatched with the array type. System.NullReferenceException: Handles errors generated from referencing a null object. System.DivideByZeroException: Handles errors generated from DIVIDING a dividend with zero. System.InvalidCastException: Handles errors generated during typecasting. System.OutOfMemoryException: Handles errors generated from insufficient free MEMORY.

Answer»

Exceptions in C# are REPRESENTED by classes. The System.Exception class has all the classes to handle exceptions.

Let us see some of the classes under the System.Exception class:

System.IO.IOException: Handles I/O errors.
System.IndexOutOfRangeException: Handles errors generated when a method refers to an array index out of range.
System.ArrayTypeMismatchException: Handles errors generated when TYPE is mismatched with the array type.
System.NullReferenceException: Handles errors generated from referencing a null object.
System.DivideByZeroException: Handles errors generated from DIVIDING a dividend with zero.
System.InvalidCastException: Handles errors generated during typecasting.
System.OutOfMemoryException: Handles errors generated from insufficient free MEMORY.

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