Look at below code and tell what the problem could be:

NSNumber value1 = [[NSNumberalloc] initWithFloat:8.15]; NSNumber value2 = [NSNumber numberWithFloat:8.29]; … … … [value1 release]; [value2 release];

Look at below code and tell which is correct.

Difference between the unsigned int and the NSUInteger?

The part of an Objective-C class specification that declares its public interface which includes its superclass name & instances variables and public-method prototypes is called:

The property attribute that causes the setter to store a strong reference to the assigned value is called:

Proper answer about the difference between nil and NULL?

What is a category?

What happens if you release an unretained object twice?

What does Obj-C not support?

Which of the following is the fastest?

What is true regarding C functions inside .m files?