C++ course (third section 2)

C++ course (third section 2)

third section(writing your first C++ program 2)

#include <iostream>      <------ this is the header     
using namespace std;     <------ location of header files
void main( )                      <------primary function
{                                   <------marks beginning of function body
cout << “This is C++!”;    <----statement that prints a string which is: This is C++!
}                                     <----- marks end of function body

Debugging

-Error in program called bug
-Process of looking for and correcting bugs
-Three types of errors:
   –Syntax
   –Run-time
   –Logic

1)Syntax Errors

Mistakes by violating “grammar” rules 
Diagnosed by C++ compiler 
Must fix before compiler will translate code

2)Run-Time Errors

Violation of rules during execution of program 

Computer displays message during execution and execution is terminated 

Error message may help locating error

3)Logic Errors

Computer does not recognize 
Difficult to find 
Execution is complete but output is incorrect 
Programmer checks for reasonable and correct output

Unknown

Author & Editor

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