Choose the statements which makes use of essential properties rather than making data member public in C#.NET?
a
Properties have their own access levels like private, public, protected etc. which allows it to have better control about managing read and write properties
b
Properties give us control about what values may be assigned to a member variables of a class they represent
c
Properties consist of set accessor inside which we can validate the value before assigning it to the data variable
d
All of the above mentioned
correct answer d
Answer: Option (D)
3
Select the modifiers which can be used with the properties?
a
Private
b
Public
c
Protected Internal
d
Protected
correct answer a,b,c,d
Answer: Options (A), (B), (C) and (D)
4
Choose the correct statement about the properties used in C#.NET?
a
Each property consists of accessor as get and set
b
A property can be either read or write only
c
Properties can be used to store and retrieve values to and from the data members of a class
d
Properties are like actual methods which work like data members
correct answer c,d
Answer: Option (C) and Option (D)
5
Choose the correct statements about write-only properties in C#.NET?
a
Properties which can only be set
b
Properties once set and hence values cannot be read back in nature
c
Useful for usage in classes which store sensitive information like password of a user
d
None of the above mentioned
correct answer a,b,c
Answer: Options (A), (B) and (C)
6
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);
a
Declare maths property with get and set accessors
b
Declare maths property with only get accessors
c
Declare maths property with only set accessors
d
Declare maths property with only get, set and normal accessors
correct answer a
Answer: Option (A)
7
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?
a
Declares sum property with only get accessor
b
Declares sum property with only set accessor
c
Declares sum property with both set and get accessor
d
Declares sum property with both set, get and normal accessor
correct answer b
Answer: Option (B)
8
If math class had add property with get and set accessors, then which of the following statements will work correctly?
a
math.add = 20;
b
math m = new math(); m.add = 10;
c
Console.WriteLine(math.add);
d
math m = new math(); m.add = m.add + 20;
correct answer b,d
Answer: Option (B) and (D)
9
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?
a
Declare sum property with both get and set accessors
b
Declare sum property with both get and set accessors
c
Declare sum property with get, set and normal accessors
d
None of the mentioned
correct answer c
Answer: Option (C)
10
Select the correct statement about properties of read and write in C#.NET?
a
A property can simultaneously be read or write only
