Understanding the scopes of bean , their life and how to configure them
Complete working of how an IoC container is responsible for dependency injection. Its components and modern-day IOC containers.
The most important concepts of object-oriented programming: abstract classes, interfaces and their uses with a program on a real-life basis and implementing all of them. Bonus Content: Anonymous Classes
Java is the most commonly used programming language with most of the devices using it. These are the most commonly asked interview questions on java you should know.