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Interview Questions and Answers for 'Cloning' - 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
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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( )

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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      expert


 Q2. Why do we use a copy constructor ?2016-07-21 08:28:52

Ans. Copy Constructor is used for creating a duplicate of another object. Duplicate object will have the same state of the copied object but will have independent values in different memory locations. Copy Constructor can be useful to create duplicates of immutable objects as the Original cannot be tampered. Moreover It can be useful if base copies are required for individual requests in threading.

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   Like      Discuss      Correct / Improve     copy constructor  clone  cloning object


 Q3. Difference between shallow copy and object cloning ?Core Java2017-01-12 14:21:02

Ans. Shallow copy is one of the way for object cloning, other being deep copy.

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   Like      Discuss      Correct / Improve     cloning  shallow copy  object cloning      basic


 Q4. What is cloning in GIT ?GIT2017-02-08 12:39:40

Ans. Cloning is the process of making a copy. It could be creating local copy of another local repository or local copy of remote repository.

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   Like      Discuss      Correct / Improve     GIT  Configuration Management  GIT Cloning




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