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 ...

// iterator is not index like i in for loop for-each loop internally it using iterator for traverse the list example : // now if we do chnage means we delete and traverse then we get exception but in ...

An Iterator is an object that can be used to loop through collections, like ArrayList and HashSet. It is called an "iterator" because "iterating" is the technical term for looping.