I created an entity class (User.java) and repository interface (UserRepository.java). If I run my application everything ...

I am new to Spring and Hibernate and ran into a problem that I cannot solve for a few more days.

In my project, I use a Many-To-Many relatio ...

I have written a composite item writer for writing to the flat file, but I want to write in database also if certain condition meet. So, how can I ...

I have the following situation: A user entity can have a lot of friends who are also users themselves.

To resolve this situation I used this ...

whenever my home activity opens in emulator this error shows-

java.lang.RuntimeException: Unable to start activity 
ComponentInfo{co ...