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Top 10 Advance Java Interview questions?

Top 10 Advance Java Interview questions?   What are the differences between abstract classes and interfaces in Java? What is the difference between ArrayList and LinkedList in Java? What is the purpose of the finalize() method in Java? What is polymorphism in Java and how is it achieved? What are the different types of inner classes in Java? What is the difference between static and non-static methods in Java? What are the different types of exceptions in Java and how do they differ? What is the difference between checked and unchecked exceptions in Java? How does Java handle multithreading and synchronization? What are the different types of JDBC drivers in Java and how do they differ?
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What is Hibernate Framework in java ?

 Hibernate Framework


Hibernate ORM is a stable object-relational mapping framework for Java. It makes better communication possible between the Java programming language and relational database management systems (RDBMS).

When you work with an object-oriented language like Java, you’ll encounter a problem called Object-Relational Impedance Mismatch also called Paradigm Mismatch. This is because OO languages and RDBMSs handle the data differently, which can lead to severe mismatch problems. So, this Hibernate provides you with a framework that overcomes the mismatch problems of Java.

Uses

  • It allows you to develop persistent classes following the object-oriented idiom
  • It allows you to communicate with any database using very tiny alterations in the code, bridging the gap between objects and relational words
  • It is an advanced ORM framework that lets you perform the database operation on Java entities

Advantages

  • Portability, productivity, maintainability
  • Free and open source framework
  • It removes a lot of repetitive code from the JDBC API

Now, talking about the major companies that use Hibernate framework for application development, we have,

  • Oracle
  • IBM
  • DELL
  • Accenture
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