Java collection framework provides you with the complete architecture of objects. Java frameworks group of objects includes – classes, interfaces, and algorithm. Class – Everything in Java is ...

At the base of the Framework are the interfaces java.util.Collection and java.util.Map. The Collection interface represents just a group of objects, with no particular order or restriction.

The collections framework was designed to meet several goals. The framework had to be high-performance. The implementations for the fundamental collections (dynamic arrays, linked lists, trees, and ...

With the sequenced collections proposal, all of the new methods declared in the new interfaces have default implementations. Sequenced collections would be added to the standard edition of Java.

The Java Iterator is accessible to all Collection classes, but the ListIterator is confined only to classes that implement the List interface. Java Collections Framework However, classes in the Java ...

When Java was born, the only data structure support built into the core libraries involved arrays, vectors (essentially dynamically-sized arrays), and hash tables (for key-value pairs).