properties c programming questions
6.
If Sample class has a Length property with get and set accessors then which of the following statements will work correctly?
Sample.Length = 20;
Sample m = new Sample();
m.Length = 10;
Console.WriteLine(Sample.Length);
Sample m = new Sample();
int len;
len = m.Length;
Sample m = new Sample();
m.Length = m.Length + 20;
A. 1, 3
B. 2, 4, 5
C. 4 only
D. 3, 5
Answer & Explanation
Answer: Option B
Explanation:
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7.
Which of the following is the correct way to implement a write only property Length in a Sample class?
A.
class Sample
{
public int Length
{
set
{
Length = value;
}
}
}
B.
class Sample
{
int len;
public int Length
{
get
{
return len;
}
set
{
len = value;
}
}
}
C.
class Sample
{
int len;
public int Length
{
WriteOnly set
{
len = value;
}
}
}
D.
class Sample
{
int len;
public int Length
{
set
{
len = value;
}
}
}
Answer & Explanation
Answer: Option D
Explanation:
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8.
A property can be declared inside a namespace or a procedure.
A. True B. False
Answer & Explanation
Answer: Option B
Explanation:
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9.
If a Student class has an indexed property which is used to store or retrieve values to/from an array of 5 integers, then which of the following are the correct ways to use this indexed property?
Student[3] = 34;
Student s = new Student();
s[3] = 34;
Student s = new Student();
Console.WriteLine(s[3]);
Console.WriteLine(Student[3]);
Student.this s = new Student.this();
s[3] = 34;
A. 1, 2
B. 2, 3
C. 3, 4
D. 3, 5
Answer & Explanation
Answer: Option B
Explanation:
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10.
If Sample class has a Length property with set accessor then which of the following statements will work correctly?
A.
Sample m = new Sample();
int l;
l = m.Length;
B.
Sample m = new Sample();
m.Length = m.Length + 20;
C.
Sample.Length = 20;
D.
Console.WriteLine (Sample.Length);
E.
Sample m = new Sample();
m.Length = 10;
Answer & Explanation
Answer: Option E
Explanation:
No answer description available for this question.