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|Interview Questions and Answers for 'Tridium' - 1 question(s) found - Order By Newest|
|Very frequently asked. Usually asked in this format or as difference with interfaces / concrete classes.|
|Ans. Abstract class is the class that is not supposed to be instantiated. The purpose of the class to only have extension to the derived class.|
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|Like Discuss Correct / Improve abstract class Multivision Starkey Hearing Technologies Avaya Tridium LinkedIn Acute Informatics basic   frequent|
|Differences between abstract class and interface ?|
|If an Abstract class has only abstract methods, What's the difference between such a class and an interface ?|
|Difference between Abstract and Concrete Class ?|
|What are the design considerations while making a choice between using interface and abstract class ?|
|How is Abstraction implemented in Java ?|
|Difference between Base Class, Derived Class , Abstract Class and Concrete Class ?|
|Shall we use abstract classes or Interfaces in Policy / Strategy Design Pattern ?|
|Will this code Work ? If not , Why ?|
|Is java.util.Date an abstract Class ? Is java.util.Calendar an abstract Class ?|