1 why can't NSArray contain NSInteger Instance? with which extra step can you do it?
2.complete this code so that it becomes syntacticallty correct using no more than one additional word and square branckets
這個我會回答是：NSInteger myInt = [myString intValue];
3.What does the following code do? Variable age is defined as NSInteger It compiles fine..but why does it crash?
UILabel *mylabel=[UILabel new];
4.Why does the following code crash as soon as the property is set?What is the simple fix?
@property (nonatomic,assign)NSUIInteger minvalue;
#progma mark Passthrough properties
Some other file:
MeasueStripView *myMS=[MeasueStripView ww]；
myMS.minValue=100;//THis Line crashes..
5.You have a UIView and would like to for it to have rounded corners, What's the Fastest way to achive that|
6 How many methods do you know of performing a piece of code in other thread on IOS4.0 and later version.