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Interview Questions and Answers for 'Daffodil' - 4 question(s) found - Order By Newest | ||||
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Ans. Polymorphism means the condition of occurring in several different forms. Polymorphism in Java is achieved in two manners 1. Static polymorphism is the polymorphic resolution identified at compile time and is achieved through function overloading whereas 2. Dynamic polymorphism is the polymorphic resolution identified at runtime and is achieved through method overriding. | ||||
Sample Code for overloading Sample Code for overriding | ||||
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Like Discuss Correct / Improve  polymorphism  object oriented programming (oops)  oops concepts  oops concepts Asked in 108 Companies Basic   frequent | ||||
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Ans. Car Engine is an example of encapsulation and abstraction. You ignite the car using an interface called starter and least bothered about how the tire actually moves (This is abstraction). The engine encapsulates the complete process to itself only and doesn't allow you to start the other components like the radiator etc ( this is excapsulation ) | ||||
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Like Discuss Correct / Improve  encapsulation  object oriented programming (oops)  oops concepts  abstraction  oops  oops features  java features Asked in 13 Companies | ||||
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Ans. A static initialization block is a normal block of code enclosed in braces, { }, and preceded by the static keyword. Here is an example: static { // whatever code is needed for initialization goes here } A class can have any number of static initialization blocks, and they can appear anywhere in the class body. The runtime system guarantees that static initialization blocks are called in the order that they appear in the source code. | ||||
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Like Discuss Correct / Improve  java   oops   static   static block Asked in 16 Companies basic   frequent | ||||
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Ans. finalize() method is called just before an object is destroyed. | ||||
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Like Discuss Correct / Improve  java   oops   finalize   garbage collection   basic interview question Asked in 1 Companies basic   frequent | ||||
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