What defines the design of all classes?

There are three ways to design classes: by composition, via inheritance, and via interface . Composition (or aggregation) is achieved by using existing class as a part of a new class. For example, the ArrayStack class includes an array of objects. Inheritance allows you to define a new class in terms of an old class.

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What are the methods of component class?

Class java. awt. Component Method Summarybooleanaction(Event evt, Object what) Deprecated. As of JDK version 1.1, should register this component as ActionListener on component which fires action events.StringgetName() Gets the name of the component.ContainergetParent() Gets the parent of this component.Class java.awt.Component – Washington courses.cs.washington.edu › courses › cse341 › java › docs › api › Compo…

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Which is the correct method of component class?

Class methods S.N.Method & Description93Toolkit getToolkit() Gets the toolkit of this component.94Object getTreeLock() Gets this component’s locking object (the object that owns the thread sychronization monitor) for AWT component-tree and layout operations.95int getWidth() Returns the current width of this component.AWT Component Class – Tutorialspoint www.tutorialspoint.com › awt › awt_component

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