C# Programming Questions and Answers

Showing 1 - 10 of 11 questions

Where the properties can be declared?

Class

Struct

Interface

Namespace

correct answer a,b,c

Answer: Options (A), (B) and (C)

Choose the statements which makes use of essential properties rather than making data member public in C#.NET?

Properties have their own access levels like private, public, protected etc. which allows it to have better control about managing read and write properties

Properties give us control about what values may be assigned to a member variables of a class they represent

Properties consist of set accessor inside which we can validate the value before assigning it to the data variable

All of the above mentioned

correct answer d

Answer: Option (D)

Select the modifiers which can be used with the properties?

Private

Public

Protected Internal

Protected

correct answer a,b,c,d

Answer: Options (A), (B), (C) and (D)

Choose the correct statement about the properties used in C#.NET?

Each property consists of accessor as get and set

A property can be either read or write only

Properties can be used to store and retrieve values to and from the data members of a class

Properties are like actual methods which work like data members

correct answer c,d

Answer: Option (C) and Option (D)

Choose the correct statements about write-only properties in C#.NET?

Properties which can only be set

Properties once set and hence values cannot be read back in nature

Useful for usage in classes which store sensitive information like password of a user

None of the above mentioned

correct answer a,b,c

Answer: Options (A), (B) and (C)

Consider a class maths and we had a property called as sum.b is a reference to a maths object and we want the code below to work.Which is the correct solution to ensure this functionality?
b.maths = 10;
Console.WriteLine(b.maths);

Declare maths property with get and set accessors

Declare maths property with only get accessors

Declare maths property with only set accessors

Declare maths property with only get, set and normal accessors

correct answer a

Answer: Option (A)

Consider a class maths and we had a property called as sum.b which is the reference to a maths object and we want the statement Console.WriteLine(b.sum)to fail.Which among the following is the correct solution to ensure this functionality?

Declares sum property with only get accessor

Declares sum property with only set accessor

Declares sum property with both set and get accessor

Declares sum property with both set, get and normal accessor

correct answer b

Answer: Option (B)

If math class had add property with get and set accessors, then which of the following statements will work correctly?

math.add = 20;

math m = new math();
m.add = 10;

Console.WriteLine(math.add);

math m = new math();
m.add = m.add + 20;

correct answer b,d

Answer: Option (B) and (D)

Consider a class maths and we had a property called as sum.b is a reference to a maths object and we want the statement b.sum = 10 to fail.Which of the follwing is the correct
solution to ensure this functionality?

Declare sum property with both get and set accessors

Declare sum property with get, set and normal accessors

None of the mentioned

correct answer c

Answer: Option (C)

Select the correct statement about properties of read and write in C#.NET?

A property can simultaneously be read or write only

A property can be either read only or write only

A write only property will only have get accessor

A read only property will only have get accessor

correct answer b,d

Answer: Option (B) and (D)