home ‣ Collections: NSArray, NSMutableArray, NSDictionary, NSMutableDictionary, NSSet, NSMutableSet, NSCountedSet

15 Mar 2008 · Tags: objective c

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NSArray:  - (unsigned) count  - (id) objectAtIndex:(int)  - (BOOL) containsObject:(id)anObject
NSMutableArray  - (void)addObject:(id)anObject  - (void)insertObject:(id)anObject atIndex:(unsigned)index  - (void)removeObjectAtIndex:(unsigned)index  - (void)removeObject:(id)anObject

NSDictionary:  - (unsigned) count  - (void) setObject:(id)anObject forKey:(id)aKey

- (NSArray*) allKeys

- (id) objectForKey:(id)aKey

NSMutableDictionary

- (void)setObject:(id)anObject forKey:(id)aKey

- (void)removeObjectForKey:(id)aKey

To store int, float, long: wrap inside NSNumber object

Serializing to/from a file (in plist format):

- (id)initWithContentsOfFile:(NSString*)aPath

- (BOOL)writeToFile:(NSString*)aPath atomically:(BOOL)flag