iphone - How to structure data: arrays in array -

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i trying come structure data. let's imagine have library. in library, there different books - can add books library , delete them. guess need start nsmututablearray:

nsmutablearray *entirelibrary;

each book in library has set of features. require array (such different strings headings in each book) , other features, such page length, require integer. set of characteristics stays same each book, so:

nsstring *booktitle; nsmutablearray *chapterheadings; nsinteger *pagecount;

my question best way store of information in library. right now, have different arrays, strings or integers , can't see how can assign them individual book placed in library -- , how access data when need it.

create own custom class called bookclass. keep booktitle, chapterheadings , pagecount properties of class , add bookclass objects entirelibrary nsarray.


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