Which C++ input stream function examines the next character without extracting it from the stream?
Options
- A. peek()
- B. ignore()
- C. clear()
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. peek()
Detailed Explanation
Answer: (A) peek()
The peek() function examines the next character in the input stream without removing it from the stream.
For example:
char ch = cin.peek();
The next available character is examined and can be stored in ch, while the character remains available in the input stream.
This is useful when a program needs to check the next input character before deciding what operation to perform.