Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Interface: An interface is like a class with nothing but abstract methods. All methods of an interface must be public. It is also possible to declare a constructor in an interface. It’s possible for interface to have constants(can not be overridden by a class/interface that inherits them). interface keyword is used to create an