https://code-reference.com/ 2026-05-31T11:55:19+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2024-02-16T01:06:20+02:00 https://code-reference.com/objective-c/foundation.framework/nsarray.h?rev=1708041980&do=diff NSArray NSArray and its subclass NSMutableArray manage ordered collections of objects called arrays. NSArray creates static arrays, and NSMutableArray creates dynamic arrays. init initWithObjects text/html 2014-05-30T21:47:15+02:00 https://code-reference.com/objective-c/foundation.framework/nsarray.h/init?rev=1401479235&do=diff init - (id)init Returns an empty array. Return Value - NSArray ObjC Sourcecode Example // ** Init array ** NSArray *myArray = [[NSArray alloc]init]; // ** Output array ** NSLog(@"myArray: %@", myArray); If you look at the output for this example code, you`ll see that an empty array was initialized! Because this array is immutable it would make more sense to use a init-method that creates it with some objects or at least one object. For example initWithObje… text/html 2024-02-16T01:12:19+02:00 https://code-reference.com/objective-c/foundation.framework/nsdictionary.h/allkeys?rev=1708042339&do=diff allKeys - (NSArray *)allKeys Returns a new array containing the dictionary’s keys, or an empty array if the dictionary has no entries. Return Value - NSArray ObjC Sourcecode Example // ** Init dictionary with entries NSDictionary *myDictionary = [[NSDictionary alloc]initWithObjectsAndKeys:@"value1", @"key1", @"value2", @"key2", nil]; NSArray *keysArray = [myDictionary allKeys]; // ** Output dictionary keys NSLog(@"myDictionary all keys: %@", keysArra… text/html 2024-02-16T01:06:19+02:00 https://code-reference.com/objective-c/examples/tabbarcontroller?rev=1708041979&do=diff Add two UIViewController named RootViewController and SecondRootViewController to your empty project Create a TabBarController for your project First step import the RootViewController.h and SecondRootViewController.h in your AppDelegate #import "RootViewController.h" #import "SecondRootViewController.h" text/html 2024-02-16T01:12:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsarray.h/initwithobjects?rev=1708042341&do=diff initWithObjects - (id)initWithObjects:(id)firstObj, ... NS_REQUIRES_NIL_TERMINATION; Parameters firstObj, secondObj... Comma-separated objects ending with nil. Return Value An array initialized to include the parameters objects. After an immutable array has been initialized in this way, it can’t be modified. text/html 2014-05-30T20:08:10+02:00 https://code-reference.com/objective-c/foundation.framework?rev=1401473290&do=diff foundation.framework nsstring.h nsnumber.h nsvalue.h nsarray.h nsmutablearray.h nsfilemanager.h nsdictionary.h text/html 2024-02-16T01:06:20+02:00 https://code-reference.com/objective-c/foundation.framework/nsmutablearray.h?rev=1708041980&do=diff NSMutableArray The NSMutableArray class declares the programmatic interface to objects that manage a modifiable array of objects. This class adds insertion and deletion operations to the basic array-handling behavior inherited from NSArray. init addObject text/html 2014-05-30T21:53:18+02:00 https://code-reference.com/objective-c/foundation.framework/nsmutablearray.h/init?rev=1401479598&do=diff init Inherited from NSArray. - (id)init; Returns an empty array. Return Value - NSMutableArray ObjC Sourcecode Example // ** Init array ** NSMutableArray *myArray = [[NSMutableArray alloc]init]; // ** Output array ** NSLog(@"myArray : %@", myArray);