Popular Java Frameworks

Few Popular Java Frameworks:

• Spring MVC: From Spring Source, based on MVC architecture
• Spring Webflow : From Spring Source, based on MVC architecture
• Struts : From Apache, based on MVC architecture
• Spark : From Apache based on MVC architecture
• Hibernate : From Red Hat, based on object-oriented domain model
• JSF (Java Server Faces) : From Sun Microsystem, based on Component centric approach
• GWT (Google Web Toolkit) : From Google, based on Widgets (AJAX)

What is Framework?

Frameworks are large bodies of pre written codes (library) in which you add your own code to solve a problem in a specific domain. 

Then, what is the difference between and Library and Framework?

The main difference is "Library" will be used by you're code and "Framework" will use or control your code.

In more simply words - You're code calls Library and Framework calls you're code as follows