The Collections API is a set of classes and interfaces that support operations oncollections of objects.
Latest Answer : Collection API's are a group of classes where we can store more then one objects in as a single unit. Collection give some useful API where we can directly implement the Data structures. ...
The List interface provides support for ordered collections of objects.
Latest Answer : The list interface extends Collection and declares the behaviour of a collection that stores a sequence of elements. Elements can be inserted or accessed by their position in the list, using a Zero-based index. Alist may contain duplicate elements. ...
The EventObject class and the EventListener interface support event processing.
Latest Answer : Java.util.Event class ...
A package statement must appear as the first line in a source code file (excluding blanklines and comments).
Latest Answer : package statement must appear as the first line in a source code file and one public class declaration. ...
Name three Component subclasses that support painting.The Canvas, Frame, Panel, and Applet classes support painting.
The CheckboxMenuItem class extends the MenuItem class to support a menu item thatmay be checked or unchecked.
The java.awt.AWTEvent class is the highest-level class in the AWT event-classhierarchy.
Most of the AWT-related events of the event-delegation model are defined in thejava.awt.event package. The AWTEvent class is defined in the java.awt package.
The GregorianCalendar provides support for traditional Western calendars.
The event-delegation model has two advantages over the event-inheritance model. First,it enables event handling to be handled by objects other than the ones that generate the events (or their containers).