This is the first question that comes in mind before starting to learn Hibernate Framework. How much time it takes to learn Hibernate? It depends on the time you devote per day on learning Hibernate. One has to spend time in learning the theory and then experimenting with the code in Hibernate.
Hibernate is ORM framework and it relives programmers from writing JDBC code. Hibernate generates all necessary SQL code on fly and run it for you using the JDBC against database. It saves lots of time of developer and reduces errors.
You can learn Hibernate in 3 weeks if you spend 2-3 hours per day in learning and trying Hibernate code. In Hibernate you will have to learn write Java code which maps to the database table and then configure it with Hibernate.
After this you can write code for adding, updating, deleting and searching the database. The process of adding (create), reading (read), updating (update) and delete is popularly know as CRUD operations. In 2 days you can easily learn CRUD operations.
After learning CRUD operations you will have to learn many API and features of Hibernate.
So, for learning Hibernate spend 3-4 hours per for 3 weeks and you will be master of Hibernate. You can also join our training course Hibernate Training and learn it from our training team.
Here are tutorials of learning Hibernate yourself in 3 weeks:
Here are examples of Hibernate 5.x:
If you follow above tutorials you will learn Hibernate in 3 weeks by just spending 2-3 hour per day and experimenting with the examples provided on our websites.