Gateway Design Pattern is used to simplify access external resource or API.  You can always simply can work with APIs but such APIs are designed with type of resource into account. Since, native APIs are designed to best fit in their own environment and codes, they may not be much compatible to our platform. Therefore,…

Design patterns are certain model of programming developed to solve specific problem in programming. They suit for certain problem and are well tested and proven method to solve such problem. It is a model that can be applied in specific situation to get optimum result. We are going to discuss about some base patterns which…