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Design - Interview Questions and Answers for 'Barclays' - 2 question(s) found - Order By Newest

Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc )
  Q1. What is Dependency Injection or IOC ( Inversion of Control ) ?Design
Ans. It is a Design Pattern that facilitates loose coupling by sending the dependency information ( object references of dependent object ) while building the state of the object. Objects are designed in a manner where they receive instances of the objects from other pieces of code, instead of constructing them internally and hence provide better flexibility.

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   Like         Discuss         Correct / Improve     design patterns   ioc ( Inversion of Control )  dependency injection     Asked in 83 Companies      intermediate        frequent


Related Questions

 What are the benefits of Dependency Injection or IOC ?
 What are different types of dependency injections ?
  Name few Dependency Injection frameworks ?
 Why do we need polymorphism in Java ?
  What are the various Auto Wiring types in Spring ?
  What is the difference betweeen @Inject and @Autowired ?
 Which of the following Java features facilitates Dependency Injection - Inheritance or Composition ?
 What are the different ways in which dependency injection can be done using Spring Framework ?
 Difference between constructor and setter injection ?


 Q2. What is abstraction ?Design
Ans. Abstraction is a process of hiding the implementation details and describing only the functionality to the user.

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   Like         Discuss         Correct / Improve     bstraction  oops concepts  oops principle     Asked in 22 Companies


Related Questions

  What is the difference between Encapsulation and Abstraction?
 Can you give a real world example of Encapsulation and Abstraction ?
 Which of the following Java feature promotes access protection or Hiding ?

a. Inheritance
b. Encapsulation
c. Abstraction
d. Composition
  How is Abstraction implemented in Java ?
  Difference between Abstraction and Implementation hiding ?
  What are the examples of Abstraction in Java ?
 What are the uses of Abstraction ?
 how does abstraction help your application ?



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