![]() 5 courses to learn Spring Boot and Spring Cloud ( courses).Other Java and Spring articles you may like What are some challenges faced while using Microservices?Īnswer: Here are some challenges faced on building applications on Microservices architecture:Ī) Being a distributed system, Microservice architecture is a heavily involved model.ī) Microservices always need to communicate with each other because they always rely on each other. It's a great course to learn OAuth 2 in depth.ħ. If you want to learn more about OAuth and Spring Security I suggest you join OAuth 2.0 in the Spring Boot Applications course on Udemy. On Java world, Spring Security supports OAuth 2.0 which you can use to secure your application. OAuth is used to access the client applications on HTTP for third-party providers Facebook, GitHub, etc. What is the meaning of OAuth? And why is it used?Īnswer: OAuth means open authorization protocol. It's based on HTTP protocol and has been the backbone of modern web development which is highly based upon APIs.Ħ. So assume that an automobile manufacturer wants to build a car.Answer: RESTful means Representational State Transfer web services. And based on the type of car, there can be many differences. There are many components to build a car. It uses a factory builder pattern to decide which concrete class to initiate in order to build the desired type of object. It provides a common interface through which the object can be created. A client only needs to provide type and data for the class for the object to be created. When classes are more complex in nature and when a client needs to create an object, builder pattern comes to the rescue. Visitor:Define a new operation on a class without changing it. ![]()
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