iphone - Replace The object at index of NSMutablearray objective c? -


main array :

    (     "thursday, apr 18,2013",     xyz,         (         "give ",         "lv"     ),         (         "wed",         "mon"     )    )

for main array need add sub array:

sub array : (   "hi" )

when click on x button sub array objects increces example :

sub array : ( "hi" "hello" )

how can add main array?

you can use :

[array replaceobjectatindex:index withobject:newobject];

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