The Java Collections Framework (JCF), introduced in 1998 in JDK 1.2, is quickly becoming the standard for storing dynamic data in Java systems. Many new APIs use JCF’s container interfaces to ...

One of the nasty little traps a Java developer can run into occurs when Collection.contains(Object) is not used with appropriate understanding. I demonstrate this potential trap in this post.

A collection in Java is an object that groups multiple elements into a single unit. Collections are used to store, retrieve, manipulate, and communicate aggregate data. Java provides a rich set of ...

Using Java collection you can perform all the operations on the data like searching, sorting, ... Iterators are one of the predefined interfaces that are present in the java.util.*package.

Collection represents a single unit of objects (grp) .It is a set of classes and interfaces that provide a framwork to store and manipulate group of objects .It is part of the java.util package . =>It ...