objC tips I can not find my own definition of the class

 # import  
# Import "test1.h" 
int main (int argc, const char * argv []) 
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; 

[[Fraction alloc] init]; 
float result = [Fraction calculate: 1.0 another: 2.0]; 
NSLog (@ "result is:% f", result); 

[Pool drain]; 
return 0; 
} 

I could not find this code tips Fraction class.
How it happened?
Reply:
You did not contain fraction class header file it.
Reply:
Is included test.h
Reply:
No instantiation

Reply:
First learn basic grammar
Reply:

cited landlord sunshine_anycall reply:

C / C + + code
# Import
# Import "test1.h"
int main (int argc, const char * argv [])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

[[Fraction alloc] init]; ......

 


NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; 

Fraction * m_Fraction = [[Fraction alloc] init]; 
float result = [m_Fraction calculate: 1.0 another: 2.0]; 
NSLog (@ "result is:% f", result); 

[Pool drain]; 

Reply:
# Import Fraction.h
Reply:
Look framework does not?
Reply:
Know, because they do not seem to support the property's sake
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