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

Frequently asked question in companies using Hibernate.
  Q1. What is Lazy Initialization in Hibernate ?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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Related Questions

  What are the ways to avoid LazyInitializationException ?
  After which Hibernate version , related Entities are initialized lazily ?


  Q2. Difference between Vector and ArrayList ?Core Java
Anonymous
Ans. Vectors are synchronized whereas Array lists are not.

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a. Set
b. List
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d. Any Collection implementation
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or

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  Q3. What is lazy fetching in Hibernate ?Hibernate
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Ans. Lazy fetching is the technique of not loading the child objects when parent objects are loaded. By default Hibernate does not load child objects. One can specify whether to load them or not while doing the association.

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