11.
Which of the following statements about a String is correct?
A. A String is created on the stack.
B. Whether a String is created on the stack or the heap depends on the length of the String.
C. A String is a primitive.
D. A String can be created by using the statement String s1 = new String;
E. A String is created on the heap.
Answer & Explanation
Answer: Option E
Explanation:
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12.
Which of the following statement is correct about a String in C#.NET?
A. A String is mutable because it can be modified once it has been created.
B. Methods of the String class can be used to modify the string.
C. A number CANNOT be represented in the form of a String.
D. A String has a zero-based index.
E. The System.Array class is used to represent a string.
Answer & Explanation
Answer: Option D
Explanation:
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13.
Which of the following will be the correct output for the C#.NET code snippet given below?
String s1 = “Five Star”;
String s2 = “FIVE STAR”;
int c;
c = s1.CompareTo(s2);
Console.WriteLine(c);
A. 0 B. 1
C. 2 D. -1
E. -2
Answer & Explanation
Answer: Option D
Explanation:
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14.
If s1 and s2 are references to two strings then which of the following are the correct ways to find whether the contents of the two strings are equal?
if(s1 = s2)
if(s1 == s2)
int c;
c = s1.CompareTo(s2);
if( strcmp(s1, s2) )
if (s1 is s2)
A. 1, 2
B. 2, 3
C. 4, 5
D. 3, 5
Answer & Explanation
Answer: Option B
Explanation:
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15.
Which of the following statements are correct about the String Class in C#.NET?
Two strings can be concatenated by using an expression of the form s3 = s1 + s2;
String is a primitive in C#.NET.
A string built using StringBuilder Class is Mutable.
A string built using String Class is Immutable.
Two strings can be concatenated by using an expression of the form s3 = s1&s2;
A. 1, 2, 5
B. 2, 4
C. 1, 3, 4
D. 3, 5
Answer & Explanation
Answer: Option C
Explanation:
No answer description available for this question.