Why r u asking this Q here !! There r lots of web sites which can help u regarding this query. Have u searched on the net for this query !! However, providing here the concepts and basic: http://docs.oracle.com/javase/tutorial/java/
Thank u Subhendu sen for your information.I have already searched about this topic in google and was more confused. So I want someone who can answer this question in 2 to 3 lines.
Abstract class will only be used as a basis for creating new classes.