1- We can store duplicate elements in ArrayList 2- Insertion order is maintained in ArrayList 3- It is non synchronized 4- As array works on index basis ArrayList allows random access of the elements.

Array based implementation of an ArrayList in Java Implement a MyArrayList class similar to the java.util.ArrayList class using an array of objects. Although an array’s size is fixed once the array is ...

Here the Below Example will show you how you can construct your own Collection (ArrayList) in Java. The below example will show you that our Class Generics will behave like the ArrayList. I have use ...