NSObject as a base class in iPhone SDK
The NSObject protocol groups methods (NS stands for NEXTSTEP) are fundamental to all Objective-C objects. In Mac OS X v10.5 and later, developer can use automatic memory management by adopting garbage collection, as it described in Garbage Collection Programming Guide.
A simple Window-Based Application iPhone app could be created in XCode, with next code right after line :
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSObject *obj; // declare variable
obj = [NSObject alloc]; // allocate variable
[obj init]; // initialize variable
NSLog(@”Option 2:%@\n”, obj); // output variable declaration into console
This NSLog output is sent to Console. To test this code goto Run -> Console -> Build and Go.