gistfile1.m

#import <Foundation/Foundation.h>

void testForNumber(){
    NSLog(@"%s", __func__);
    NSNumber* number11 = [NSNumber numberWithInt:11];
    NSNumber* number22 = [NSNumber numberWithInt:22];

    switch([number11 compare:number22]){
    case NSOrderedAscending:
        NSLog(@"NSOrderedAscending");
        break;
    case NSOrderedSame:
        NSLog(@"NSOrderedSame");
        break;
    case NSOrderedDescending:
        NSLog(@"NSOrderedDescending");
        break;
    }
}

void testForString(){
    NSLog(@"%s", __func__);
    NSString* string1 = [NSString stringWithString:@"APPLE"];
    NSString* string2 = [NSString stringWithString:@"ORANGE"];

    switch([string1 compare:string2]){
    case NSOrderedAscending:
        NSLog(@"NSOrderedAscending");
        break;
    case NSOrderedSame:
        NSLog(@"NSOrderedSame");
        break;
    case NSOrderedDescending:
        NSLog(@"NSOrderedDescending");
        break;
    }
}

int main() {
    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];

    testForNumber();
    testForString();

    [pool release];

    return 0;
}