What is a Sub class
Sub class: It is a class which extends its super class. The sub-class inherits all the members of its super class. All Java classes are the sub-classes of Object class, which is at the root of inheritance hierarchy.
Consider a dartboard of radius 1. Since the area of the board will be π r2 = π * 1 *1, it's clear the area of the dartboard is exactly π. The area of a square surrounding the board (circumscribing it) would be 2*2 = 4, sin
What is testing?
The company wish to provide an incentive of free shipping to such customers who have not returned for 2 months. Build a procedure named PROMO_SHIP_SP which determines these customers are and then updates the BB_PROMOLIST table accordingly. The procedure employs the be
Why did Microsoft develop the Windows Communication Foundation (WCF) technology?
Explain the important libraries involved in Windows programming?
What are good examples of element attributes?
What are the different compatibility types when creating a COM COMPONENT?
Memory leak: It is a situation in which memory which is no longer being employed has not been returned to the pool of free memory. The garbage collector is designed to return unreferenced objects to the free memory pool in order to shun memory leaks.<
Define the term Dynamic type: This type of an object is the name of the class employed to construct it.
Encapsulation: Safeguarding the state of objects by stating its attributes as private and channeling entrance to them via accessor and mutator techniques.
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