2D arrays using NSMutableArray

Question

I need to create a mutable two-dimensional array in Objective-C.

For example I have:

NSMutableArray *sections;
NSMutableArray *rows;

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Answer 1

FYI: Jack's code needs a bunch of work before it works. Among other issues, the autorelease can cause the data to get released before you access it and his usage calls the class method arrayWithSections:rows: when it is actually defined as sectionArrayWithSections:rows:

I may try to post actual working code later if I get a chance.