MindCraft Software Senior Java Developer Interview Questions, Process, and Tips

Spring Boot is a framework built on top of Spring, providing a more streamlined development experience.

• Spring Boot provides auto-configuration, reducing the need for manual configuration

• Spring Boot includes an embedded server, making it easier to deploy applications

• Spring Boot provides a simpler project structure and faster development experience

• Spring Boot is opinionated, providing defaults for many configuration opti...read more

Spring Boot has various annotations for different purposes.

• SpringBootApplication - main class of Spring Boot application

• RestController - marks a class as a RESTful controller

• Autowired - injects dependencies automatically

• RequestMapping - maps HTTP requests to handler methods

• Value - injects values from properties file or environment variables

OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

• OOPS is based on four main concepts: Encapsulation, Inheritance, Polymorphism, and Abstraction.

• Encapsulation is the process of hiding the implementation details of an object from the outside world.

• Inheritance is the process of creating a new class from an existing class, inheriting all the properties and met...read more

There are three types of exceptions in Java: checked, unchecked, and errors.

• Checked exceptions are checked at compile-time, e.g. IOException

• Unchecked exceptions are not checked at compile-time, e.g. NullPointerException

• Errors are caused by the environment in which the application is running, e.g. OutOfMemoryError