Welcome to the Strings,Streams and Numerics in C++ MCQs Page
Dive deep into the fascinating world of Strings,Streams and Numerics in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Strings,Streams and Numerics in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Strings,Streams and Numerics in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.
Check out the MCQs below to embark on an enriching journey through Strings,Streams and Numerics in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Strings,Streams and Numerics in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Strings,Streams and Numerics in C++ MCQs | Page 9 of 21
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    #include <iostream>
    #include <fstream>
    using namespace std;
    int main () 
    {
        int length;
        char * buffer;
        ifstream is;
        is.open ("sample.txt", ios :: binary );
        is.seekg (0, ios :: end);
        length = is.tellg();
        is.seekg (0, ios :: beg);
        buffer = new char [length];
        is.read (buffer, length);
        is.close();
        cout.write (buffer, length);
        delete[] buffer;
        return 0;
    }    #include <iostream>
    using namespace std;
    int main ()
    {
        char first, second;
        cout << "Enter a word: ";
        first = cin.get();
        cin.sync();
        second = cin.get();
        cout << first << endl;
        cout << second << endl;
        return 0;
    }    #include<iostream>
    #include <fstream>
    using namespace std;
    int main () 
    {
        ofstream outfile ("test.txt");
        for (int n = 0; n < 100; n++)
        {
            outfile << n;
            outfile.flush();
        }
        cout << "Done";
        outfile.close();
        return 0;
    }    #include <iostream>
    using namespace std;
    int main ()
    {
        int a = 100;
        double b = 3.14;
        cout << a;
        cout << endl;
        cout << b << endl << a * b;
        endl (cout);
        return 0;
    }    #include <iostream>
    #include <fstream>
    using namespace std;
    int main ()
    {
        char ch;
        streambuf * p;
        ofstream os ("test.txt");
        pbuf = os.rdbuf();
        do {
            ch = cin.get();
            p -> sputc(ch);
        } while (ch != '.');
        os.close();
        return 0;
    }Suggested Topics
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