Java includes various mechanisms for iteration, including index (for iterating over an array), cursor (for iterating over the results of a database query), enumeration (in early versions of Java ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

That first line in the while loop splits out the input data and the second line accummulates totals in an array that's indexed by the user's name. Apply this to our sample file and you get: % demo ...