IOS interview (autonavi) and ios interview with autonavi

IOS interview (autonavi) and ios interview with autonavi
Autonavi iOS interview arrangement (the order is messy)
I really can't help the interviewer. I have no voice on this side during video interviews.
1.
-(Void) testFun
{
CGRect;
//.....


}
Is there a stack or a stack?
2 .. How can we put a CGRect type of data on the heap? How many methods can you think?
3. CGRect;
[A retain];
Can I compile
4. Has autorelease pool been used?
Can multiple auto release pools exist in the same thread for the auto release pool?
If yes, if there is a variable [B autorelease]
Which auto release pool does B join?
5. What is the relationship between nsunloop and thread? Must an auto release pool exist in a thread?
6 have you used uiview? What are the differences between the first two? If we know bound/center, can we calculate the frame?
7. What is the loading mechanism of uiviewcontroller? Could you give me a description.
8. Could you tell me the mechanism of clicking hit test in the view?
9. If you use the native Apple code, write a code for requesting the taobo homepage for me.
10. Can you describe the concept of deadlock in the operating system?
11. If we implement NSMutableDictionary by ourselves, can you describe the idea?
In the 12 s master course, the memory includes the design model. Have you learned it? Can you describe how to construct the observer mode?
13 have you read iWatch?
14. There is a mutable array. How can I delete all elements in the even order?