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Interview Questions and Answers for 'Fico' - 3 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


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 Which of the following Java features facilitates Dependency Injection - Inheritance or Composition ?
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 Q2. What are some different logging levels for log4j ?Log4j
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Ans. DEBUG
ERROR
ALL
WARN
INFO
FATAL
OFF
TRACE
TRACE_INT
WARN

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   Like         Discuss         Correct / Improve     java   log4j   log4j level   logging   error logging     Asked in 10 Companies


Related Questions

 Can you organize following Log4j levels in hierarchy ?

WARN, DEBUG,INFO, ERROR
 What is the difference between INFO and DEBUG logging levels ?


 Q3. What is a Webdriver ?Testing2017-02-02 08:25:41

Ans. Selenium WebDriver is a tool for automating web application testing.It helps in replicating the manual tester behavior like keyboard entry, mouse events etc and then matching the output against the expected.

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   Like         Discuss         Correct / Improve     selenium  webdriver     Asked in 37 Companies


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