Describe why Java supports only runtime polymorphism?
Latest Answer: There are two ways:1. new operator2. newInstance() method. (Reflection API) ...
What is scope resolution in C++ and object oriented ?
Latest Answer: :: scope resoulation operator is used in two ways1: access global variable 2: access member of a class ...
Latest Answer: Create a prototype based on client requirement to get better understanding and to iorn out the differences bettween client and ours. Once everyone on the same page, start working on implementing these into design and development. ...
Latest Answer: The Class is a blueprint which holds the code, but the instance is the real object inside the memory so we can access its properties and methods in the Run-time. ...
Latest Answer: Encapsulation: wraping of data in a single unit.Abstraction: Data hiding ...
What is the difference between Aggregation and Composition?(Asked in Polaris Interview for Java Experienced People, on April 11, in Chennai)
Latest Answer: Aggregation:In aggregation , one object is composed of multiple objects and every object is useless without the relationship. Suppose there is a car object, so car object is useless without the tyre or steering object, and steering object is useless without ...
Explain Component Object Model used in C, C++ and .NET
Latest Answer: The Component Object Model (COM) is a component software architecture that allows applications and systems to be built from components supplied by different software vendors. COM is the underlying architecture that forms the foundation for higher-level ...
Related to multi-threaded applications - what is the race condition?
Latest Answer: Race condition is a situation whereby two theads simultaneously contends for the same object or datastructure. ...
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