·IComparable
- method
–Int
CompareTo(object obj);
•Return:
–Negative =>
less
–Zero =>
equal
–Positive =>
greater
–
·ICloneable
- method
–object
clone();
–
·ICollection
– properties and method
–int
count { get; }
–bool
IsSynchronized { get; }
–object
SyncRoot { get; }
–void
CopyTo(Array array, int index);