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Interview Questions and Answers for 'NIIT' - 10 question(s) found - Order By Newest | ||||
Frequently asked at Manhattan Associates ( Based on 2 feedback ) | ||||
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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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Frequently asked question in companies using Hibernate. | ||||
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Ans. It's a feature to lazily initialize dependencies , relationship and associations from the Database. Any related references marked as @OneToMany or @ManyToMany are loaded lazily i.e when they are accessed and not when the parent is loaded. | ||||
Sample Code for Lazy Initialization | ||||
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Like Discuss Correct / Improve  hibernate   lazy loading hibernate   lazy initialization hibernate   architecture Asked in 77 Companies Basic   frequent | ||||
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Basic and Very Frequently asked. | ||||
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Ans. Polymorphism means the condition of occurring in several different forms. Polymorphism in Java is achieved in two manners 1. Static polymorphism is the polymorphic resolution identified at compile time and is achieved through function overloading whereas 2. Dynamic polymorphism is the polymorphic resolution identified at runtime and is achieved through method overriding. | ||||
Sample Code for overloading Sample Code for overriding | ||||
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Like Discuss Correct / Improve  polymorphism  object oriented programming (oops)  oops concepts  oops concepts Asked in 108 Companies Basic   frequent | ||||
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Frequently asked. Favorite question in Walk in Drive of many Indian service companies. | ||||
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Ans. clone() - Creates and returns a copy of this object. equals() - Indicates whether some other object is "equal to" this one. finalize() - Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. getClass() - Returns the runtime class of an object. hashCode() - Returns a hash code value for the object. toString() - Returns a string representation of the object. notify(), notifyAll(), and wait() - Play a part in synchronizing the activities of independently running threads in a program. | ||||
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Like Discuss Correct / Improve  java   oops   object class Asked in 16 Companies basic   frequent | ||||
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Ans. https://www.tutorialspoint.com/javaexamples/thread_procon.htm | ||||
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Like Discuss Correct / Improve  coding  code Asked in 1 Companies | ||||
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Ans. Abstraction, Encapsulation, Polymorphism , Composition and Inheritance | ||||
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Like Discuss Correct / Improve  core oops concepts Asked in 65 Companies basic   frequent | ||||
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Ans. It returns all the rows form the left table and matches the rows in both tables. | ||||
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Like Discuss Correct / Improve  database   database joins   left outer join  sql Asked in 2 Companies | ||||
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This question was recently asked at 'NIIT Technologies'.This question is still unanswered. Can you please provide an answer. | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||
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This question was recently asked at 'NIIT'.This question is still unanswered. Can you please provide an answer. | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||
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This question was recently asked at 'NIIT'.This question is still unanswered. Can you please provide an answer. | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||