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Interview Questions and Answers for '1-800 contacts' - 3 question(s) found - Order By Newest

Frequently asked at Manhattan Associates ( Based on 2 feedback )
  Q1. What is a Lambda Expression ? What's its use ?Core Java
Ans. Its an anonymous method without any declaration.

Lambda Expression are useful to write shorthand Code and hence saves the effort of writing lengthy Code.

It promotes Developer productivity, Better Readable and Reliable code.

  Sample Code for lambda

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   Like         Discuss         Correct / Improve     java   java8   lambda expression   architecture     Asked in 58 Companies      expert        frequent

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Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc )
  Q2. 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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 Q3. create an SQL query across multiple tables involving outer joins Database2019-01-27 16:06:28

Ans. Select * from table1 t1Left outer join table2 t2 on t1.tid =

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   Like         Discuss         Correct / Improve     sql query  database  outer joins     Asked in 2 Companies

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