Creation and simple application of OC variable array

Creation and simple application of OC variable array

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Int main (int argc, const char * argv []) {// NSMutableArray * array1 = [[NSMutableArray alloc] initWithObjects: @ one, @ two, @ three, nil]; NSArray * array = @ [@ 1, @ 2, @ 3]; // initialize a mutable array NSMutableArray * array2 = [[NSMutableArray alloc] initWithArray: array]; // 2. specify the object Insertion Location // index to be less than count NSString * str1 = @ one; [array2 insertObject: str1 atIndex: 2]; NSLog (@ % @, array2); // 3. deleting the object [array2 addObject: str1]; NSLog (@ % @, array2); // delete all objects [array2 removeAllObjects]; NSString * str4 = @ 4; [array2 addObject: str4]; NSLog (@%@, array2); // for (NSString * str in array2) // {// [array2 removeObjectAtIndex: 0]; //} // return 0 ;}