hello group members sir i want to know tht 1.wht is diffrence between interface and abstract classes 2.why i prefer to make interface rather than abstract class 3.refer me tht site which contain jouney of beginner to expert java ,i want to do java with projects but from beginning.
The interface vs abstract class topic has been covered many times on the ranch. Use the search tool and type "interface vs abstract class" to get some of the previous threads.