Question
1.
#include
2.
using namespace std;
3.
class rect
4.
{
5.
int x, y;
6.
public:
7.
void val (int, int);
8.
int area ()
9.
{
10.
return (x * y);
11.
}
12.
};
13.
void rect::val (int a, int b)
14.
{
15.
x = a;
16.
y = b;
17.
}
18.
int main ()
19.
{
20.
rect rect;
21.
rect.val (3, 4);
22.
cout
What is the output of this program?
1.
#include
2.
using namespace std;
3.
class rect
4.
{
5.
int x, y;
6.
public:
7.
void val (int, int);
8.
int area ()
9.
{
10.
return (x * y);
11.
}
12.
};
13.
void rect::val (int a, int b)
14.
{
15.
x = a;
16.
y = b;
17.
}
18.
int main ()
19.
{
20.
rect rect;
21.
rect.val (3, 4);
22.
cout
Answer: Option B
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In this program, we are calculating the area of rectangle based on given values.
Output:
$ g++ class.cpp
$ a.out
rect area: 12
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