This concept is very important for future lectures such as DAO, Hibernate, and Spring Boot. By the end of this lab, learners will be able to utilize the ArrayList of user-defined objects. Instructions ...

In this blog we will learn about arraylist. arraylist is one of the collection class of collection framework. it is a way of storing elements dynamically in an array. it implements the list interface ...

Sometime we need to save arraylist of objects into shared preferences so that we can use that data in multiple activities when required. we can do that easily as below:suppose we have model users as ...

Java Collection means a single unit of objects. Java Collection framework provides many interfaces (Set, List, Queue, Deque) and classes (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, ...

The use of collections for grouping objects is very common in object oriented applications, and even small-scale programs developed by undergraduate students. One of the most popular collections is ...

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.