Usually, our applications operate with the current state of a domain object. But sometimes, we need to know the entire history of the domain object changes. For example, we want to know how an order ...

Need of 𝑷𝑶𝑱𝑶 As dealing with complex JSON response is not straight forward so it's better to map them in to Java Objects Using POJO and then play with Java Objects.

Dependency Injection (DI) in Spring Boot is a design pattern that allows objects to receive their dependencies from an external source (the ⁠Spring IoC container) rather than creating them internally ...

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