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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.
Often calculating all the data is not possible by aggregations for this reason some of the difficult data problems are solved. In order to verify which data should be solved and me
A full size keyboard has distance between centres of keycaps (keys) like 19mm (0.75in).The keycaps have a top of nearly 0.5in (12.5in) that is shaped as a sort of dish to help you
design modulo 12 up synchronous counter using t flip flop
How will you prepare problem statement? Problem statement should state what is to be completed and not how it is to be executed. It should be a statement of requirements not a
What are the languages evolved in the html open standard Even the companies or developers themselves have been affected with such modifications to the open standards since they
A class that has no functionality of its own is an Adaptor class in C++. Its member functions hide the use of a third party software component or an object with the non-compatible
Shared executes most of the security features into OLAP. If multiple accesses are needed admin can make essential changes. The default security level for all OLAP products is read
Takes care structural and behavioural aspect of a software system. Contains software usage, functionality, performance, economic, reuse, and technology constraints.
Ask qa survey was conducted among the residents of pune city,it suburbs and the pune cantonment area.the following three pie diagrams show their respective preferences for living i
What is DMA operations? State its advantages. In order to transfer bulk amount of data among memory and I/O device without involvement of CPU, the Direct Memory Access metho
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