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What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why?
Abstract classes are closely related to interfaces. They are classes that cannot be instantiated, and are frequently either partially executed, or not at all implemented. One key difference among abstract classes and interfaces is that a class may execute an unlimited number of interfaces, but may inherit from only single abstract (or any other kind of) class. A class that is derived from an abstract class may still execute interfaces. Abstract classes are useful when creating components because they permit you specify an invariant level of functionality in some methods, but leave the implementation of other methods until a specific implementation of that class is required. They also version well, because if additional functionality is required in derived classes, it can be added to the base class without breaking code.
What is the difference between = = = and = = ? output of "==" can be 1, 0 or X. output of "===" can only be 0 or 1. When you are comparing 2 nos using "==" and if one/bo
CMOS circuits are extensively used for ON-chip computers mainly because of their extremely ? Ans. Since CMOS circuits have large packing density, so these are extensively use
Computer Concepts & C Programming 1. Write a program to read four floating point numbers and find their sum and average. 2. What is the difference between string constants a
What are the features of Client/Server Computing? Although there are several different configurations, different hardware and software platforms and even dissimilar network pro
solve the primal problem using duality and determine the primal and dual solution P= 300x1 + 300x2 S.T. 2x1 + 3x2 => 13 3x1 = 2x2 => 15 x1,x2 => 0
Put the node in the right subtree Then, Put the root Put the node in the left subtree
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The VLSI technology is still developing. More and more powerful microprocessors and more storage space now are being put in single chip. One question that we have still not conside
Explain the Race Condition The situation where various processes access - and manipulate shared data concurrently. The final value of the shared data relies upon which process
attribute primitive
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