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Core java - Interview Questions and Answers for 'Jabong.com' - 3 question(s) found - Order By Newest

Very Frequently asked to fresh graduates and less experienced. Favorite question in Walk in drives. Frequently asked in Indian Services companies.
  Q1. Difference between Overloading and Overriding ?Core Java
Anonymous
Ans. Overloading - Similar Signature but different definition , like function overloading.

Overriding - Overriding the Definition of base class in the derived class.

  Sample Code for overloading

  Sample Code for overriding

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Related Questions

  What is the difference between Encapsulation and Abstraction?
  Difference between Composition and Inheritance ?
 What is Polymorphism in Java ?
 Which of the following Java feature promotes access protection or Hiding ?

a. Inheritance
b. Encapsulation
c. Abstraction
d. Composition
  What are the features of encapsulation ?
  How is Abstraction implemented in Java ?
  Difference between Encapsulation and Data Hiding ?
  Difference between Abstraction and Implementation hiding ?
  What are the examples of Abstraction in Java ?


 Q2. How can we create objects if we make the constructor private ?Core Java
Anonymous
Ans. We can do so through a static public member method or static block.

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   Like      Discuss      Correct / Improve     java   oops   static   constructor   static method   static block  private     Jabong.com


Related Questions

  How can we run a java program without making any object?
  Similarity and Difference between static block and static method ?
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  Explain static blocks in Java ?
  Will the static block be executed in the following code ? Why ?
  Will static block for Test Class execute in the following code ?
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 Q3. What will happen if we make the constructor private ?Core Java
Anonymous
Ans. We can't create the objects directly by invoking new operator.

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   Like      Discuss      Correct / Improve     java   oops   constructor   access specifier   private     Jabong.com      basic

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Related Questions

  What are points to consider in terms of access modifier when we are overriding any method?
  Difference between Public, Private, Default and Protected ?
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