arraylists 1 Answer(s) 4 years and 6 months ago
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November 29, 2008 at 1:03 PM
hi friend till i havt faced this problem what i can give one suggestion try this if it works you can change your outer arraylist in to object array Object ai2[]=needofinsidearrylist.toArray(); then you can take every element of ai[2] that will be your inner arraylist then u can use .length method over that .try this and respond it worked or nor or give some code of ur work.
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it is sometimes useful
to define your own class.
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ArrayLists
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faster than Vectors, but less
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