C++

Question 1

What is C++?

Answer 1

A programming language

Question 2

How do you print out “Welcome” in C++?

Answer 2

#include 
using namespace std;

int main()
{
  cout << " Welcome";
  return 0;
}

Question 3

int num = 1;
while (num < 4) {
  cout << "num: " << num << endl;
  num++;
}
what the outcome?

Answer 3

num: 1
num: 2
num: 3

Question 4

How does endl function?

Answer 4

endl separates data or text.

Question 5

for (int a = 20; a >= 5; a -= 5) {
cout &laquo_space;a &laquo_space;endl;
What the outcome?

Answer 5

20
15
10

Question 6

int a = 4;
do {
  cout << a << endl;
  a++;
} while(a < 10);
What would system print?

Answer 6

4
5
6
7
8
9

Question 7

What is the cout function?

Answer 7

cout is use as a insertion operator.

Question 8

How do you make single comment saying “I have no comment.”?

Answer 8

// I have no comment.

Question 9

int age = 19;
switch (age) {
  case 14:
    cout << "You are a preteen!";
    break;
  case 16:
    cout << "You are an teenager!";
    break;
  case :20
    cout << "You are an adult!";
    break;
  default:
    cout << "This is a default case!";
}
What the output?

Answer 9

This is a default case!

Question 10

int age = 15;
int score = 80;
if (age > 20 || score > 65) {
    cout << "Accepted!" << endl;
} else {
cout<

Answer 10

Accepted!