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| Mathematically, a set is a collection of elements each of which has a unique value. That is, the value of no element in the set duplicates the value of another element in the set. For example, {1,2,3,4} is a set, because every element is unique. On the other hand, {a,b,c,d,e,a} is not a set, because there are two elements 'a'. The Collections framework includes support for such sets. Here's how...
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This page was last modified on 02 October, 2007 |