What should present when throwing a object?
How to handle the exception in constructor?
What is the output of this program?
1.
#include
2.
#include "math.h"
3.
using namespace std;
4.
double MySqrt(double d)
5.
{
6.
if (d < 0.0)
7.
throw "Cannot take sqrt of negative number";
8.
return sqrt(d);
9.
}
10.
int main()
11.
{
12.
double d = 5;
13.
cout << MySqrt(d) << endl;
14.
}
What is the output of this program?
1.
#include
2.
#include
3.
using namespace std;
4.
int main()
5.
{
6.
double Op1 = 10, Op2 = 5, Res;
7.
char Op;
8.
try
9.
{
10.
if (Op != '+' && Op != '-' && Op != '*' && Op != '/')
11.
throw Op;
12.
switch(Op)
13.
{
14.
case '+':
15.
Res = Op1 + Op2;
16.
break;
17.
case '-':
18.
Res = Op1 - Op2;
19.
break;
20.
case '*':
21.
Res = Op1 * Op2;
22.
break;
23.
case '/':
24.
Res = Op1 / Op2;
25.
break;
26.
}
27.
cout << "n" << Op1 << " " << Op << " "<< Op2 << " = " << Res;
28
}
29.
catch (const char n)
30.
{
31.
cout << n << " is not a valid operator";
32.
}
33.
return 0;
34.
}
What is the output of this program?
1.
#include
2.
using namespace std;
3.
double division(int a, int b)
4.
{
5.
if ( b == 0 )
6.
{
7.
throw "Division by zero condition!";
8.
}
9.
return (a / b);
10.
}
11.
int main ()
12.
{
13.
int x = 50;
14.
int y = 0;
15.
double z = 0;
16.
try
17.
{
18.
z = division(x, y);
19.
cout << z << endl;
20.
}
21.
catch (const char* msg)
22.
{
23.
cout << msg << endl;
24.
}
25.
return 0;
26.
}