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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 Vaadin Framework in java?

 Vaadin Framework

Vaadin is a web application framework that focuses on UX accessibility. It provides you with a platform for streamlined Java development. Vaadin also allows you to build web applications of customizable components.
Vaadin 10 approaches web app development in an entirely new way. It gives you direct access to the DOM from the Java Virtual Machine. With the new release, the Vaadin team split the previously monolithic framework into two parts. It also has a lightweight Java framework called Vaadin Flow that handles routing and server-client communication. 


Uses:

This framework automates all the communication between the browser and the server
It simplifies web application development.

Advantages:-
  • Vaadin gives an opportunity to bind data using either MVC or MVP
  • Drag and drop support along with other outstanding features simplifies the creation of single-page UIs for Java applications
  • Automatic server-client communication with WebSocket support
  • Use Java or HTML for building views
  • Data binding
  • Router with the nested route and parameter support
  • Supports JVM languages like Kotlin and Scala
  • Built-in Spring support



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