Arrays And Strings In C Plus Plus — Part 2 MCQs with Explanations

matrix[2][3] is the correct answer to “How do you access the element at the second row and third column of a two-dimensional array named 'matrix' in C++”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

It requires a null character at the end is the correct answer to “Which of the following is true regarding the declaration of a string in C++ using the char array”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

String class is the correct answer to “Which is an instantiation of the basic_string class template”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Jobs the apple is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str="Steve Jobs founded the apple"; string str2 = str.substr (6, 4); unsigned pos = str.find("the"); string str3 = str.substr (pos); cout << str2 << ' ' << str3 << '\n'; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

compile time error is the correct answer to “What will be the output of the following C++ code? #include <stdio.h> #include<iostream> using namespace std; int main() { int a = 5, b = 10, c = 15; int arr[3] = {&a, &b, &c}; cout << *arr[*arr[1] - 8]; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

10 is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str ("Steve jobs"); cout << str.length(); return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

It can be used is the correct answer to “What will happen if a string is empty”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

1 or 2 is the correct answer to “How many parameters can a resize method take”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

-30 is the correct answer to “What will be the output of the following C++ code? #include <stdio.h> #include <iostream> using namespace std; int main() { int array[] = {10, 20, 30}; cout << -2[array]; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

They are same is the correct answer to “What is the difference between unsigned int length() and unsigned int size()”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Contiguous is the correct answer to “How does the strings are stored in the memory”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

6533 is the correct answer to “What will be the output of the following C++ code? #include <stdio.h> #include<iostream> using namespace std; int array1[] = {1200, 200, 2300, 1230, 1543}; int array2[] = {12, 14, 16, 18, 20}; int temp, result = 0; int main() { for (temp = 0; temp < 5; temp++) { result += array1[temp]; } for (temp = 0; temp < 4; temp++) { result += array2[temp]; } cout << result; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Not Fix is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str ("Steve jobs"); cout << str.capacity() << "\n"; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

3 is the correct answer to “How many maximum number of parameters does a string constructor can take”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Steve jobsndended apple..... is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str; string str2="Steve jobs"; string str3="He founded apple"; str.append(str2); str.append(str3, 6, 3); str.append(str3.begin() + 6, str3.end()); str.append(5,0x2e); cout << str << '\n'; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

array[6] is the correct answer to “Which of the following accesses the seventh element stored in array”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

An array is a series of elements of the same type in contiguous memory locations is the correct answer to “What is the correct definition of an array”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

array is the correct answer to “Which of the following gives the memory address of the first element in array”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Null is the correct answer to “Which character is used to terminate the string”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Both Stack & Heap is the correct answer to “Where are the strings stored”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

I like to code is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str ("I like to code in C"); unsigned sz = str.size(); str.resize (sz + 2, '+'); str.resize (14); cout << str << '\n'; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Error is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <cstring> #include <string> using namespace std; int main () { string str ("Steve jobs"); char * cstr = new char [str.length() + 1]; strcpy (cstr, str.c_str()); char * p = strtok (cstr," "); while (p != 0) { cout << p << '\n'; p = strtok(NULL," "); } delete[] cstr; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

bool empty() is the correct answer to “Which constant member functions does not modify the string”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

ABC is the correct answer to “What will be the output of the following C++ code? #include <stdio.h> #include <iostream> using namespace std; int main() { char str[5] = "ABC"; cout << str[3]; cout << str; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

8 is the correct answer to “What is the index number of the last element of an array with 9 elements”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

string is the correct answer to “Which header file is used to manipulate the string”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Error is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str ("Test string"); for ( string :: iterator it = str.begin(); it != 5; ++it) cout << *it; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

23 is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str ("Steve jobs founded the apple"); string str2 ("apple"); unsigned found = str.find(str2); if (found != string :: npos) cout << found << '\n'; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

Jobs Apple Steve is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string name ("Jobs"); string family ("Steve"); name += " Apple "; name += family; name += '\n'; cout << name; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

int array[10] is the correct answer to “Which of the following correctly declares an array”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

27 is the correct answer to “What will be the output of the following C++ code? #include <stdio.h> #include<iostream> using namespace std; int main () { int array[] = {0, 2, 4, 6, 7, 5, 3}; int n, result = 0; for (n = 0; n < 8; n++) { result += array[n]; } cout << result; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.

St*v* j*bs is the correct answer to “What will be the output of the following C++ code? #include <iostream> #include <string> using namespace std; int main () { string str ("Steve jobs"); unsigned long int found = str.find_first_of("aeiou"); while (found != string :: npos) { str[found] = '*'; found = str.find_first_of("aeiou", found + 1); } cout << str << '\n'; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Plus Plus.