newbie alert : obj-c src compile : howto?

[Mayuresh Kathe]

hello, is there any document which show how to compile
simple hello world snippet written in obj-c?
#import <stdio.h>
#import <Foundation/Foundation.h>

int main(void) {
        NSLog(@"Hello, World!\n");
        return 0;
}


thanks,
-mayuresh