NSMutableArray memory management

Question

NSMutableArray *a1 = [[NSMutableArray alloc] init];
NSMutableArray *a2 = [NSMutableArray array];

TempObj *obj = [[TempObj alloc] init]; //assume this line is repeat         


        

Answer 1

i dont know either im right or wrong

NSMutableArray *a1 = [[NSMutableArray alloc] init]; // will be autorelease
NSMutableArray *a1 = [NSMutableArray alloc]; // will not autorelease

after you [a1 removeAllObjects];