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To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics. In the above example, we already briefly explored a simpler ...

A Java ArrayList allows for duplicate and null values. A Java ArrayList is an ordered collection, and maintains the insertion order of the elements. You cannot create an ArrayList of primitive types ...

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 ...

Hi, it is one of the important topics in java. for dynamically resizable array we use arraylist. arraylist provides us fast access as compare to simple array. 1. as we go to synchronization, vector is ...