标签:
答案:(B)
答案:(C)
答案:(B)
答案:(D)
答案:(B)
答案:(C)
答案:(D)
答案:(B)
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath { return CGSizeMake(); }
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section { return UIEdgeInsetsMake(); }
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section { return CGSizeMake(); }
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section { return CGSizeMake(); }
答案:(A)
答案:(D)
答案:(A)
static LOSingleton * shareInstance; + ( LOSingleton *)sharedInstance{ @synchronized(self){ if (shareInstance == nil) { shareInstance = [[self alloc] init]; } } return shareInstance; }
static LOSingleton * shareInstance; - ( LOSingleton *)sharedInstance{ @synchronized(self){ if (shareInstance == nil) { shareInstance = [[self alloc] init]; } } return shareInstance; }
+ (LOSingleton *) sharedInstance { LOSingleton *sharedInstance = nil ; static dispatch_once_t onceToken; dispatch_once (& onceToken, ^ { sharedInstance = [[self alloc] init]; }); return sharedInstance; }
- (LOSingleton *) sharedInstance { static LOSingleton *sharedInstance = nil ; static dispatch_once_t onceToken; dispatch_once (& onceToken, ^ { sharedInstance = [[self alloc] init]; }); return sharedInstance; }
答案:(B)
答案:(B)
答案:(A)
答案:(D)
答案:(B)
答案:(D)
答案:(B)
答案:(A)
+ (id)studentWithName:(NSString *)newName andAge:(int)newAge { Student *stu = [[[Student alloc] initWithName:newName andAge:newAge] autorelease]; return stu; }
- (id)studentWithName:(NSString *)newName andAge:(int)newAge { Student *stu = [[Student alloc] initWithName:newName andAge:newAge]; return [stu autorelease]; }
- (void)studentWithName:(NSString *)newName andAge:(int)newAge { Student *stu = [[Student alloc] initWithName:newName andAge:newAge]; return [stu autorelease]; }
+ (void)studentWithName:(NSString *)newName andAge:(int)newAge { Student *stu = [[Student alloc] initWithName:newName andAge:newAge]; return [stu autorelease]; }
答案:(A)
答案:(B)
答案:(D)
答案:(D)
答案:(B)
答案:(A)
答案:(T)
答案:(T)
答案:(F)
答案:(F)
答案:(F)
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原文地址:http://www.cnblogs.com/tian-sun/p/4418648.html