C# Object-Oriented Programming Final Exam Review

1. CSCI 3328 Object Oriented Programming in C#Review: Final Exam Xiang Lian The University of Texas Rio Grande Valley Edinburg, TX 78539 xiang.lian@utrgv.edu

2. Review • Textbook • Self-Review Exercises • Quick Quiz • Exercises • Time • 1:15pm ~ 3:00pm, Dec. 14 (Monday) • Place • ENGR 1.272 (classroom)

3. Review • Lecture slides • Introduction to Classes and Objects • Control statements • Methods • *Arrays • *LINQ • *Files and Streams • *Databases and LINQ

4. Review • Multiple Choices • True/False Statements • Programming • Write the code • Bonus Question

5. Chapter 3: Introduction to Classes and Objects • Objects • Object-oriented design & programming • Classes • The Syntax for a Class • Variables • Methods • Properties • set and get • Events

6. Chapter 4: Control Statements: Part 1 • The primitive data types • Arithmetic operators & Precedence • +, -, *, /, % • The components of basic control structures • The syntax of basic sequence, selection, and repetition structures in Visual C#

7. Chapter 5: Control Statements: Part 2 • More control structures • Repetition statements • for, do … while statements • Usage of break and continue statements • Selection • switch • Logical operators

8. Chapter 6: Methods • Declaration and call of methods • Static methods • Passing by values and references in methods • ref vs. out • Method overloading • Method signature • Basic classes/functions • Math • Math.Sqrt(x), Math.Floor(x), Math.Ceiling(x), … • Math.PI, Math.E • Random • How to generate random numbers • Next function

9. Chapter 7: Arrays • Declaration and usage of arrays • Index • Length • Initialization and reference to elements of the array • Initializer list • Passing arrays to methods • By reference and by value • Usage of the foreach statement to iterate through elements in the array

10. Chapter 7: Arrays (cont'd) • Sorting data in arrays • Array.Sort(arrayName) • Search • Linear search • Binary search • int index = Array.BinarySearch(array, value); • Copying an array • Array.Copy(fromArray, fromIndex, toArray, to Index, length); • The declaration and usage of rectangular arrays • Index • int [,] array = new int [4, 6];

11. Chapter 8: Introduction to LINQ and Collections • Write filtering statements using LINQ • The usage of LINQ to query an array • Sort an array using LINQ • ascending (default) • descending • Manipulate collections (e.g., List) by LINQ • Functions: • Distinct() • Any()

12. Chapter 11: Files and Streams • Data Hierarchy • Bits  Characters  Fields  Records  Files  Databases • Create a File • StreamReader fileReader = newStreamReader(fileName); • StreamWriter fileWriter = newStreamWriter(fileName); • Read a File • string inputRecord = fileReader.ReadLine(); • Write a File • fileWriter.WriteLine("text"); • Close a File • fileReader.Close(); • fileWriter.Close();

13. Chapter 12:Databases and LINQ • Create a connection between data source and controls • Display the results of the LINQ query • How to update the database via controls

15. Good Luck! Q/A