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Interview Questions and Answers for 'Thomson Reuters' - 4 question(s) found - Order By Newest

Frequently asked in Infosys and HCL Technologies ( Based on 2 feedback )
 Q1. What are different ways of object creation in Java ?Core Java
Admin
info@buggybread.com
Ans. Using new operator - new xyzClass()

Using factory methods - xyzFactory.getInstance( )

Using newInstance( ) method - (Class.forName(xyzClass))emp.newInstance( )

By cloning an already available object - (xyzClass)obj1.clone( )

  Sample Code for object initialization using clone

  Sample Code for object initialization using getInstance

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   Like      Discuss      Correct / Improve     java   oops   object creation   new operator   class.forname   cloning   ebay     Intelligrape  Infosys  Polaris  British Telecom (BT)  Vyom Labs  Deutsche Bank  HCL Technologies   Genpact  Thomson Reuters      expert


Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. Frequently asked in HCL Technologies, TCS and Accenture.
  Q2. What is the difference between final, finally and finalize() ?Core Java
Admin
info@buggybread.com
Ans. final - constant variable, objects cannot be de-referenced, restricting method overriding, restricting class sub classing.

finally - handles exception. The finally block is optional and provides a mechanism to clean up regardless of what happens within the try block. Use the finally block to close files or to release other system resources like database connections, statements etc.

finalize() - method helps in garbage collection. A method that is invoked before an object is discarded by the garbage collector, allowing it to clean up its state.

  Sample Code for final

  Sample Code for finally

  Sample Code for finalize

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   Like      Discuss      Correct / Improve     java   oops   final   finally   finalize     Thomson Reuters  WITS  Antra  Jive  MorningStar  VanGuard   Alcatel Lucent  Morningstar  A9.com  EPAM  Nuance  SirsiDynix  NCR  VanGuard  Proofpoint Interview  Disney  Orbitz Worldwide  GFI Informatique  Canon  WITS  Simba Technologies  Marlabs  American Well  Global Relay  L&T Infotech  HCL Technologies  Tata Consultancy (TCS)  Wipro  Infosys  Accenture  Jive  Salesforce  Deegit  NTT DATA  Proofpoint  Morningstar  Bank Of America  Manhattan Associates  Optum  NorthPoint  Nok Nok Labs  Simba Technologies   Rhino Africa  Solutionreach  V Soft Consulting  EBay  Cognizant (CTS)  IBM  ExactTargetKewill  CV Holdings  Symphony  Cubic Web solutions  Star International  FatWire  Mindteck  Dark Horse  TrueCaller      basic        frequent

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Very frequently asked. Usually difference between String,StringBuffer and StringBuilder is asked in different variations.
  Q3. Difference between StringBuffer and StringBuilder ?Core Java
Anonymous
Ans. StringBuffer is synchronized whereas StringBuilder is not.

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   Like      Discuss      Correct / Improve     java   string   stringbuffer   string class   stringbuilder   synchronized   basic interview question   infosys technologies     Thomson Reuters  Ludia  QualiTest  United Health Group (UHG)  Sophos  JPMorgan Chase  ebay  Infosys Technologies  Experian India  HCL Technologies  Symantec  Tata Consultancy (TCS)  Accenture  Infosys  Cerner  Priceline      basic        frequent

Try 1 Question(s) Test


  Q4. Can we overload main method in Java ?Core Java
Admin
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Ans. Yes, but the overloaded main methods without single String[] argument doesn't get any special status by the JVM. They are just another methods that needs to be called explicitly.

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   Like      Discuss      Correct / Improve     java   main method   overloading   yes-no     The Advisory Board Company  Thomson Reuters  ePace Technologies  PC Technology  PEOL  MilleniumSoft      intermediate        frequent




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