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 10 of 21
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#include <stdio.h>
int main ()
{
char buffer[BUFSIZ];
FILE *p1, *p2;
p1 = fopen ("myfile.txt", "w");
p2 = fopen ("myfile2.txt", "a");
setbuf ( p1 , buffer );
fputs ("Buffered stream", p1);
fflush (p1);
setbuf ( p2 , NULL );
fputs ("Unbuffered stream", p2);
fclose (p1);
fclose (p2);
return 0;
} #include <stdio.h>
int main ()
{
FILE * p;
long size;
p = fopen ("test.txt", "rb");
if (p == NULL)
perror ("Error opening file");
else
{
fseek (p, 0, SEEK_END);
size = ftell (p);
fclose (p);
printf (" %ld\n", size);
}
return 0;
} #include <stdio.h>
int main ()
{
freopen ("myfile.txt", "w", stdout);
printf ("This sentence is redirected to a file");
fclose (stdout);
return 0;
} #include <stdio.h>
int main ()
{
int n;
FILE * p;
char buffer [5];
p = fopen ("myfile.txt", "w+");
for ( n = 'A' ; n <= 'D' ; n++)
fputc ( n, p);
rewind (p);
fread (buffer, 1, 5, p);
fclose (p);
buffer[3] = '\0';
puts (buffer);
return 0;
} #include <stdio.h>
int main ()
{
FILE * p;
char buffer[] = { 'x' , 'y' , 'z' };
p = fopen ( "myfile.txt" , "wb" );
fwrite (buffer , 1 , sizeof(buffer) , p );
fclose (p);
return 0;
}Suggested Topics
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