- C Sharp FileStream
- C Sharp SystemException class
- C Sharp StreamWriter
- C Sharp Checked / Unchecked
- C Sharp StreamReader
- C Sharp TextWriter
- C Sharp TextReader
- C Sharp BinaryWriter
- C Sharp BinaryReader
- C Sharp StringWriter Class
- C Sharp StringReader Class
- C Sharp FileInfo Class
- C Sharp DirectoryInfo Class
- C Sharp Serialization
- C Sharp Deserialization
- C Sharp System.IO Namespace
- C Sharp Collections
- “>C Sharp HashSet
- “>C Sharp Stack
- “>C Sharp LinkedList
- C Sharp SortedDictionary
- C Sharp SortedList
- C Sharp Generics
- C Sharp Delegates
- C Sharp Reflection
- C Sharp Anonymous Functions
- C Sharp Multithreading
- C Sharp Thread Life Cycle