Facade design pattern in Ruby to provide simple interface to use an existing system in an easy way.
Output
Using FacadeSystem::Method1()
Using SubSystemClass1::SubSysClass1Method1()
Using SubSystemClass2::SubSysClass2Method2()
Using SubSystemClass3::SubSysClass3Method1()
Using FacadeSystem::Method2()
Using SubSystemClass1::SubSysClass1Method2()
Using SubSystemClass2::SubSysClass2Method1()
Using SubSystemClass3::SubSysClass3Method2()
Suresh Kumar Srivastava is founder of online learning site coursegalaxy.com and author of popular books C In Depth,
Data Structures Through C In Depth. He has 18+ years experience in industry and worked on architecture and design of
multiple products. This article Facade Design Pattern In Ruby is from his Design Patterns course.