Miscellaneous In C Sharp - Study Mode

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[#91] Which of these method of class String is used to obtain length of String object?

(A) get()

(B) Sizeof()

(C) Lengthof()

(D) Length()

Correct Answer

(D) Length()

[#92] Which of these operators can be used to concatenate two or more String objects?

(A) +

(B) +=

(C) &

(D) ||

Correct Answer

(A) +

[#93] In which of the following collections is the I/O based on a key?

(A) BitArray

(B) SortedList

(C) Queue

(D) Stack

Correct Answer

(B) SortedList

[#94] Which among the following is not a preprocessor directive?

(A) #ifdef

(B) #pragma

(C) #Or

(D) #undef

Correct Answer

(C) #Or

[#95] Which among the following is the correct way to find out the number of elements currently present in an ArrayListCollection called arr?

(A) arr.Capacity

(B) arr.Count

(C) arr.MaxIndex

(D) arr.UpperBound

Correct Answer

(B) arr.Count