In this blog we will learn how to iterate over the elements of a collection (here we considered ArrayList) using generics and without generics. First we will go through the process of using iterator ...

An ArrayList is a re-sizable array called a dynamic array. It grows to accommodate new elements and shrinks the size when the elements are removed. ArrayList internally uses an array to store the ...

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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 ...

Since the clone and the original collection are not synchronized with each other, the results generated by looping over a fail-safe iterator may be out of sync with the original collection, but that ...