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Which of the following is the default mode of the opening using the ifstream class?

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in C++ by (98.8k points)
Which of the following is the default mode of the opening using the ifstream class?

(a) ios::in

(b) ios::out

(c) ios::app

(d) ios::trunc

The question was asked in exam.

My query is from File Handling topic in section Strings, Streams & Numerics in C++ of C++

1 Answer

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Best answer
Correct answer is (a) ios::in

Explanation: By default, the file is opened in ios::in mode if the file object we are using is of ifstream class.

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