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How to get a column element from an Instance variable ArrayList

d873d057-8b2e-49e4-a962-aabfa165df4dApr 23 2017 — edited Apr 23 2017

I have created a two dimensional ArrayList by inserting one row at a time.  Now I need to find the max value of one column and perform some operations on it and then apply these operations to the other rows in another column.  Is this possible?  I have been Google'ing and Bing'ing for a week now and nothing seems to work.  The array is an Instance variable.

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Locked on May 21 2017
Added on Apr 23 2017
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