Compare objects

gistfile1.txt

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[])
{

    @autoreleasepool {
        
        NSString *text1 = @"String number 1.";
        NSString *text2 = [NSString stringWithFormat:@"String number %i.", 1];
        
        BOOL equal1 = (text1 == text2);
        NSLog(@"pointer values are %@", equal1 ? @"equal" : @"not equal");
        
        BOOL equal2 = [text1 isEqual:text2];
        NSLog(@"objects are %@", equal2 ? @"equal" : @"not equal");

        BOOL equal3 = [text1 isEqualToString:text2];
        NSLog(@"string objects are %@", equal3 ? @"equal" : @"not equal");
    }
    return 0;
}