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Java OOPS Interview Questions


Java OOPS Interview Questions

Questions: 31
Comments: 169
 Java OOPS Tags
 Showing Questions 21-30 of 31 Questions
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 Java OOPS Interview Questions
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Latest Answer: The class whose all methods have body is called as conceetclass Yes object class is concreet class ...
Read Answers (6) | Asked by : vishal

Latest Answer: in java there is no concept of static object ...
Read Answers (6) | Asked by : ap_rams

Latest Answer: Hi  every bodyOverloading is Compile time PolymorphismOverriding is Run time PolymorphismPlease dont  confuse  everything  Mail  me  for any  questions   and  my  id  is   sv.vgayathri@gmail.com ...

Can I restrict the users of my class(say class A) to create an instance of my class not more than once(only one), and if anybody tries to create more than one instance, all the object refernces should refer to the same (one) instance
Read Answers (7) | Asked by : waseem

What is the use of abstract classes? How will we decide in a scenario, whether we have to use abstract class or interface?
Read Answers (20) | Asked by : Rajiv
Tags : Abstract

Latest Answer: Hi,The final step should be to deploy deployable jar.With Best Regards-ashruf ...
Read Answers (2) | Asked by : alok

Latest Answer: An abstract class can always have a constructor for a reason that an abstract class even though cannot be instantiated but it can be extended. Once its extended by its subclass. the object of the subclass can be instantiated. Incase of constructors its ...
Read Answers (5) | Asked by : subbu

Latest Answer: in unicode all character availbale in the world has been assign with a unique number that is for internationalization ...
Read Answers (10) | Asked by : sanoosh

Latest Answer: Found this reply by Tony Sintes (from Java World) :-Whenever you find yourself asking why Java has or does not have some feature, consider the design goals behind the Java language. With that in mind, I started my search by skimming through "The ...
Read Answers (18) | Asked by : swati

Latest Answer: Actully this is an attribute of this page, and this particular page will be displayed when the other page( say page 2) got some error, provided, where the errorpage attribute  has to de set to this page. put it in a nut shell, this shows that ...
Read Answers (2) | Asked by : Naresh

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