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C# Questions & Answers –Properties and its Applications

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This section of our 1000+ C# multiple choice questions focuses onproperties and it’s application in C# Programming Language.

1. Correct way to implement a read only property add in a math class?a)

1. class math2. {3. int ad;4. public int add5. {6. get7. {8. return ad;9. }

10. }11. 12. }

b)

1. class math2. {3. public int add

4. {5. get6. {

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6. {7. return ad; 8. }9. }

10. }

c)

1. class math2. {3. int ad;4. public int add5. {6. get7. {8. return ad;9. }

10. set11. {12. ad = value; 13. }14. }15. }

d) None of the mentionedView Answer

2. Correct way to implement a write only property add in a math class?a)

1. class math2. {3. public int add4. {5. set6. {7. add = value;8. }9. }

10. }

b)

1. class math

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1. class math2. {3. int ad;4. public int add5. {6. set7. {8. ad = value;9. }

10. }11. }

c)

1. class math2. {3. int ad;4. public int add5. {6. get7. {8. return ad;9. }

10. set11. {12. ad = value;13. }14. }15. }

d) None of the mentionedView Answer

3. Select the correct statement about properties in C#.NET?a) A property can simultaneously be read or write onlyb) A property can be either read only or write onlyc) A write only property will have only get accessord) A read only property will have only get accessor

View Answer

4. What will be the output of following snippet of code?

1. class number2. {3. private int num1;

1000 C# MCQs |Quiz

Integer Data TypesFloating and Decimal Data TypesChar Types and String LiteralsInitialization of VariablesScope and Lifetime of VariablesType Conversion in ExpressionsArithmetic OperatorsRelational and Logical OperatorsBit-wise and Conditional OperatorsIF StatementsSwitch StatementsFor Loop StatementsWhile Loop StatementsDo While Loop StatementsContinue, Goto statementsFundamentals of ClassReference Variables and AssignmentMethods in ClassConstructors in ClassDestructors in ClassArray and InitializationBasic Operation on StringsString Class with DescriptionComparison of StringsSearching and Modifying StringsOperation on CharactersPublic & Private Access ModifierUse of Ref and Out ParametersUse of Variable ArguementsPolymorphismStructuresEnumerations

Fundamentals of InheritanceInheritance ImplementationMethod OverloadingMethod OverridingConstructor OverloadingAbstract Class & MethodsIntroduction of Overloaded OperatorsRecursion

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4. private int num2;5. public int anumber6. {7. get8. {9. return num1;

10. }11. set12. {13. num1 = value;14. }15. }16. public int anumber117. {18. get19. {20. return num2;21. }22. set23. {24. num2 = value;25. }26. }27. }28. class Program29. {30. public static void Main(string[] args)31. {32. number p = new number();33. p.anumber = 20;34. number k = new number();35. k.anumber1 = 40; 36. int m = p.anumber;37. int t = k.anumber1;38. int r = p.anumber + k.anumber1;39. Console.WriteLine("number = " +m);40. Console.WriteLine("number = " +t);41. Console.WriteLine("sum = " +r);

42. Console.ReadLine();43. }44. }

a) 0b) Compile time errorc) 60d) None of the above mentioned

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RecursionIntroduction of IndexersIntroduction of PropertiesProperties and its ApplicationsInterfaces IntroductionInterfaces ImplementationFundamentals of Exception HandlingImplementation of Exception HandlingExceptions of Type Finally and Built inTry & Catch in DetailAttributesIntroduction of Console I/O OperationsReading Console Input OperationsWriting Console Output OperationsIntroduction of Stream ClassesByte StreamCharacter StreamFundamental of DelegatesDelegates in DetailEventsFundamental of GenericsGeneric MethodsFundamental of LINQOperation and Query with LINQIntroduction of ReflectionsCollection ClassesMaths ClassRounding Functions in C#Math MethodsMulti-threaded Programming - 1Multi-threaded Programming - 2IteratorsFundamentals of NamespacesFundamentals of PreprocessorsMethod with ParametersFundamental of NetworkingURI classNetwork Errors HandlingType InterfaceUnsafe Code & Pointers Basics

Pointers Operation - 1Pointers Operation - 2Accessor Controls of ClassIntroduction of String FormattingString Formatting - 1String Formatting - 2

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View Answer

5. What will be the output of following snippet of code?

1. class number2. {3. private int num1 = 60;4. private int num2 = 20;5. public int anumber6. {7. get8. {9. return num1;

10. }11. set12. {13. num1 = value;14. }15. }16. public int anumber117. {18. get19. {20. return num2;21. }22. set23. {24. num2 = value;25. }26. }27. }28. class Program29. {30. public static void Main(string[] args)31. {

32. number p = new number();33. number k = new number();34. int m = p.anumber;35. int t = k.anumber1;36. int r = p.anumber * k.anumber1;37. Console.WriteLine("sum = " + r);38. Console.ReadLine();39. }40. }

a) 0

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b) 120c) 1200d) Compile time error

View Answer

6. What will be the output of following snippet of code?

1. class number2. {3. int length = 50;4. public int number15. {6. get7. {8. return length;9. }

10. set11. {12. length = value;13. }14. }15. }16. class Program17. {18. public static void Main(string[] args)19. {20. number p = new number();21. p.number1 = p.number1 + 40;22. int k = p.number1 * 3 / 9;23. Console.WriteLine(k);24. Console.ReadLine();25. }

26. }

a) 0b) 180c) 30d) Compile time error

View Answer

7. What will be the output of following snippet of code?

1. class number2. {3. int length = 60;4. public int number1

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4. public int number15. {6. get7. {8. return length;9. }

10. }11. }12. class Program13. {14. public static void Main(string[] args)15. {16. number p = new number();17. int l;18. l = p.number1 + 40;19. int k = l * 3 / 4;20. Console.WriteLine(k);21. Console.ReadLine();22. }23. }

a) 30b) 75c) 80d) 0

View Answer

8. What will be the output of following snippet of code?

1. class student2. {3. int []scores = new int[5] {23, 42, 54, 11, 65};4. public int this[int index]5. {6. get7. {8. if (index < 5)9. return scores[index];

10. else11. {12. Console.WriteLine("invalid index");13. return 0;14. }15. }16. set17. {

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18. if (index < 5)19. scores[index] = value;20. else21. Console.WriteLine("invalid index");22. }23. }24. }25. class Program26. {27. public static void Main(string[] args)28. {29. student s = new student();30. Console.WriteLine(s[4] + 8);31. Console.ReadLine();32. }33. }

a) 73b) 37c) 0d) Run time error

View Answer

9. Correct way to implement the property for which property reports theerror “invalid index” if user attempts to cross bounds of the array for astudent class with 5 intger arrays.a)

1. class student2. {3. int []scores = new int[5] {23, 42, 54, 11, 65};4. public int this[int index]5. {6. get7. {8. if (index < 5)9. return scores[index];

10. else11. {12. Console.WriteLine("invalid index");13. return 0;14. }15. }16. set17. {18. if (index < 5)19. scores[index] = value;20. else

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20. else21. Console.WriteLine("invalid index");22. }23. }24. }

b)

1. class student2. {3. int []scores = new int[5] {23, 42, 54, 11, 65};4. public int this[int index]5. {6. get7. {8. if (index < 5)9. return scores[index];

10. else11. {12. Console.WriteLine("invalid index");13. return 0;14. }15. }16. }

17. }

c)

1. class student2. {3. int []scores = new int[5]{23, 42, 54, 11, 65};4. public int this[int index]5. {6. set7. {8. if (index < 5)9. return scores[index];

10. else11. {12. Console.WriteLine("invalid index");13. return 0;14. }15. }16. }17. }

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17. }

d) None of the above mentionedView Answer

10. What will be the output of following snippet of code?

1. class student2. {3. int []scores = new int[3] {13, 32, 24};4. public int this[int index]5. {6. get7. {8. if (index < 3)9. return scores[index];

10. else11. {12. Console.WriteLine("invalid index");13. return 0;14. }15. }

16. private set17. {18. if (index < 3)19. scores[index] = value;20. else21. Console.WriteLine("invalid index");22. }23. }24. }25. class Program26. {27. public static void Main(string[] args)28. {29. student s = new student();30. int[] scores1 = new int[3] {8, 19, 40};31. for (int i = 0; i < 3; i++)32. {33. if (scores1[i] > s[i])34. {35. Console.WriteLine(" scores1 had greater value :" + scores1[i]);36. }37. else38. {39. Console.WriteLine("scores had greater value :" + s[i]);40. }

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40. }41. }42. Console.ReadLine();43. }44. }

a) 0b) Compile time errorc) Run time errord) scores had greater value : 13scores had greater value : 32scores1 had greater value : 40

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Read Next:1. C# Program to Demonstrate Properties of the Class2. C# Questions & Answers – Introduction of Properties3. C# Questions & Answers – Introduction of Indexers4. Python Questions and Answers – Files – 15. C# Questions & Answers – Implementation of Exception

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