Questions and Answers about C #

Does q:c# support multiple inheritance?
A: No
What is the Q:protected class access level?
A: Allow access to this class and subclass
Can q:private class variables be inherited?
A: line, but cannot be accessed, but can be inherited
Q: Describe protected internal
A: Only derived types or types in the same assembly can access the member.
Q:What does the term immutable mean?
A:The data value may is changed. Note:the variable value may changed, but the original immutable data value is discarded and a new data value was Crea Ted in memory.
The difference between q:system.string and System.Text.StringBuilder?
A:
Q: Can different types of data exist in System.Array?
A: No

Q:system.array.copyto () and System.Array.Clone () difference?

A:The Clone () method returns a new array (a shallow copy) object containing all the elements in the original array.  The CopyTo () method copies the elements into another existing array.  Both perform a shallow copy. A shallow copy means the contents (each array element) contains references to the same object as the elements  NAL Array. A deep copy (which neither of these methods performs) would create a new instance of each element ' s object, resulting in a Different, yet identacle object.