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Interview Questions and Answers for 'Fareportal' - 2 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 Arrays and ArrayList ?Core Java2018-07-22 07:23:59

Ans. Both Arrays and ArrayLists are used to store elements. Elements can be either primitives or objects in case of Arrays, but only objects can be stored in Arraylist. Array is a fixed length data structure while arraylist is variable length collection class. Once created, you cannot change the size of the arrays, but arraylists can dynamically resize itself when needed.Another notable difference between Arrays and Arrayslist is that arary is part of core java programming and array list is part of collection classes

  Sample Code for arrays arraylist

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Map<String, List<String>> inventoryManagerCountMap = new HashMap<String, ArrayList<String>>();
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