exception handing: error message "undefined symbol try . . "

[arvindkuk]

how to work with expection handing in which when i am using try block then the error message coming that "undefined symbol try" why it is so, please solve my problem.

[gpraghuram]

Can you post the piece of code where u are getting the error?
Also which compiler u are using?

Raghu

[arvindkuk]

 
//Compile is turbo c++
 
 
#include<iostream.h>
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
int a,b;
cout<<"Enter value of a and b\n";
cin>>a>>b;
int x=a-b;
try
{
if(x!=0)
{
cout<<"Result(a/x)="<<a/x<<endl;
}
else
{
throw(x);
}
}
catch(int i)
{
cout<<"Exption caughg:x="<<x<<endl;
}
cout<<"End";
getch();
}
 

[r035198x]

Are you compiling as c or c++?
Is that the only error message you are getting?

[arvindkuk]

then what I should do and how can i run my programme

[Banfa]

You should start by re-writing void main() as int main(). Main returns an int, always, anything else is undefined behaviour.

[r035198x]

@arvindkuk
I don't think you started learning C++ by learning exceptions. How did you compile your hello world c++ program?

[arvindkuk]

my problem is "undefined symbol try" how can I handle this

[r035198x]

Your problem is not being sure which language you are coding in. You want to use try/catch exception handling so you must use c++ not c.
For c++ you need to change these things

1.) replace #include<iostream.h> with #include<iostream>
2.) Remove all other includes
3.) add using namespace std; before the definition of main
4.) Make main return an int not void. void is wrong even in c
5.) Remove lines with clrscr(); and getch(); in your code
6.) Compile the file as a c++ file not as a c source file.

[Banfa]

Something obvious that has not been mentioned yet is what is the name of your file?

if it is <something>.c then the compiler will almost certainly be compiling it as C code it needs to be <something>.cpp

[weaknessforcats]

Also, keep in mind that exception handling is often turned off in most C++ compilers by default. You have have to enable it by setting a compiler switch.

That would explain your indefined symbol.