Accenture Java Spring Boot Developer Interview Questions and Answers

Dependency injection is a design pattern where the dependencies of a class are provided externally rather than being created within the class itself.

• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing and maintenance of code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: In Spring Boot, dependencies

HTTP status 204 means no content, while 404 means not found.

• HTTP status 204 indicates a successful request, but with no content to return.

• HTTP status 404 indicates that the requested resource could not be found on the server.

• HTTP status 204 is often used for successful DELETE requests where no content needs to be returned.

• HTTP status 404 is commonly seen when a user tries to access a non-existent URL.