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General - Interview Questions and Answers for 'General electric' - 12 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 80 Companies      intermediate        frequent


Frequently asked. Among first few questions in the J2EE segment of interview.
  Q2. What is deployment descriptor ?

or

What is the use of deployment descriptor ?
Java EE2016-06-04 22:46:40

Ans. Deployment Descriptor which is usually web.xml is used to specify the classes, resources and configuration of the application and how the web server uses them to serve web requests.This file is usually added to WEB-INF folder and contains following

* Servlet entries and url mapping
* Plugins
* Some info regarding authentication / filters
* Landing Page
* Event Handlers

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   Like         Discuss         Correct / Improve     web.xml   servlets  deployment descriptor     Asked in 15 Companies      basic        frequent

Try 1 Question(s) Test


 Q3. What is a ConcurrentHashMap ?Core Java
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Ans. ConcurrentHashMap is a hashMap that allows concurrent modifications from multiple threads as there can be multiple locks on the same hashmap.

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   Like         Discuss         Correct / Improve     java   collections   hashmap   map   concurrenthashmap   concurrenthashmap  concurrency   general electric   ge     Asked in 32 Companies        rare


Very Frequently asked Spring question.
  Q4. What is bean auto wiring?Spring
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Ans. The Spring container is able to autowire relationships between collaborating beans. This means that it is possible to automatically let Spring resolve collaborators (other beans) for your bean by inspecting the contents of the BeanFactory without using and elements.

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   Like         Discuss         Correct / Improve     j2ee   spring   mvc   frameworks   web applications   autowiring   beans   at&t   ge     Asked in 9 Companies        frequent


Frequently asked in Phone Interviews.
 Q5. What the Bean scopes provided by Spring ?Spring
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Ans. Singleton , Prototype , Request , Session , global-session

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   Like         Discuss         Correct / Improve     spring framework   bean scope   general electric   ge


Frequently asked in Phone Interviews.
 Q6. What are the various Auto Wiring types in Spring ?
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Ans. By Name , By Type and Constructor.

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   Like         Discuss         Correct / Improve     java   spring   spring container   dependency injection   auto wiring   auto wiring types   general electric   ge


 Q7. When should we use prototype scope and singleton scope for beans ?Spring
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Ans. We should use singleton scope for beans when they are stateless and prototype when they are stateful.

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   Like         Discuss         Correct / Improve     spring   bean scope   general electric   ge  singleton


 Q8. What is a Test Dependency Scope in Maven ?Maven2016-11-14 10:51:53

Ans. This scope indicates that the dependency is not required for normal use of the application, and is only available for the test compilation and execution phases. This scope is not transitive.

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   Like         Discuss         Correct / Improve     maven     Asked in 2 Companies


Very Frequently asked to Senior Software Engineers or Developers.
  Q9. Describe some of the Design Patterns you have used ?Design2016-12-01 16:31:17

Ans. [Open Ended Answer]

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   Like         Discuss         Correct / Improve     design patterns     Asked in 17 Companies      intermediate        frequent


 Q10. How to create list that will sort it's elements dynamically?Algorithm2017-02-21 12:47:22

Ans. Override the behavior of collection class to sort the list upon each element addition. Though it's not recommended as list are sorting heavy data structures.

List<MyType> list = new ArrayList<MyType>() {
public boolean add(MyType mt) {
super.add(mt);
Collections.sort(list, comparator);
return true;
}
};

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   Like         Discuss         Correct / Improve          Asked in 1 Companies      intermediate


 Q11. How do you keep yourself aupdated with the changes in technologies ?General2017-08-23 20:33:28

 This question was recently asked at 'Sofi,Overstock.com,General Electric (GE)'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve          Asked in 3 Companies


 Q12. What is abstraction ?2017-10-13 09:23:38

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          Asked in 20 Companies




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