Which operator is used to insert the data into file?

1.	Which operator is used to insert the data into file?
A.	<
B.	>>
C.	<<
D.	All of above
E.	None of these
Answer» D. All of above

Discussion

No Comment Found

Related MCQs

What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> int main () { FILE * ptr; long size; ptr = fopen ("Example.txt", "rb"); if (ptr == NULL) perror ("Error opening file"); else { fseek (ptr, 0, SEEK_END); size = ftell (ptr); fclose (ptr); printf (" %ld n", size); } return 0; } </pre>
By seeing which operator thus this program stops getting the input? <pre class="prettyprint lang-c">#include <iostream> #include <fstream> using namespace std; int main () { char ch; streambuf * pbuf; ofstream os ("Example.txt"); pbuf = os.rdbuf(); do { ch = cin.get(); pbuf -> sputc(ch); } while (ch != '.'); os.close(); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; int main () { char First_ch, Second_ch, Third_ch; cout << "Enter any word or number: "; First_ch = cin.get(); cin.sync(); Second_ch = cin.get(); cin.sync(); Third_ch = cin.get(); cout << First_ch << endl; cout << Second_ch << endl; cout << Third_ch << endl; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <fstream> using namespace std; int main () { int len; char * buff; ifstream is; is.open ("Example.txt", ios :: binary ); is.seekg (0, ios :: end); len = is.tellg(); is.seekg (0, ios :: beg); buff = new char [len]; is.read (buff, len); is.close(); cout.write (buff, len); delete[] buff; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; int main () { int num1 = 150; double num2 = 6.251; cout << num1; cout << " "; cout << num2 << " " << num1 * num2; endl (cout); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <fstream> using namespace std; int main () { ofstream outfile ("Sample.txt"); for (int num = 0; num < 50; num++) { outfile << num; outfile.flush(); } cout << "Done successfully"; outfile.close(); return 0; } </pre>
What is the output of this program in text files? <pre class="prettyprint lang-c">#include <iostream> int main () { char buff[BUFSIZ]; FILE *ptr1, *ptr2; ptr1 = fopen ("FirstFile.txt", "w"); ptr2 = fopen ("SecondFile.txt", "a"); setbuf ( ptr1 , buff ); fputs ("Buffered stream", ptr1); fflush (ptr1); setbuf ( ptr2 , NULL ); fputs ("Unbuffered stream", ptr2); fclose (ptr1); fclose (ptr2); return 0; } </pre>
What is the output of this program in the text file? <pre class="prettyprint lang-c">#include <stdio.h> int main () { FILE * ptr; char buff[] = { 'I' , 'L' , 'U' }; ptr = fopen ( "Example.txt" , "wb" ); fwrite (buff , 1 , sizeof(buff) , ptr ); fclose (ptr); return 0; } </stdio.h></pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> int main () { int k; FILE * ptr; char buff[10]; ptr = fopen ("Sample.txt", "w+"); for ( k = 'A' ; k <= 'D' ; k++) fputc ( k, ptr); rewind (ptr); fread (buff, 1, 5, ptr); fclose (ptr); buff[3] = ' 0'; puts (buff); return 0; } </pre>
What is the output of this program in the file? <pre class="prettyprint lang-c">#include <iostream> int main () { freopen ("Sample.txt", "w", stdout); printf ("This is redirected to a file"); fclose (stdout); return 0; } </pre>

Which operator is used to insert the data into file?

Discussion

No Comment Found

Related MCQs

Reply to Comment