What is the output of the following code: struct Student { int roll; }; Student s1; s1.roll = 101; cout << s1.roll; in C++?
A. Undefined behavior
B. 0
C. Compilation error
D. 101
Answer: Option D
A. Undefined behavior
B. 0
C. Compilation error
D. 101
Answer: Option D
A. A collection of functions
B. A reserved keyword in C++
C. A user-defined data type containing variables of different data types
D. A way to declare arrays of data
Which keyword is used to define a structure in C++?
A. typedef
B. struct
C. union
D. None of the above
What is the correct way to access members of a structure in C++?
A. Using the star operator
B. Using the double colon operator
C. Using the dot operator
D. Using the arrow operator
What is the purpose of typedef in C++ structures?
A. To define a new structure
B. To initialize structure members
C. To create a pointer to a structure
D. To create an alias for data types
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