we use Interface though it contain only blank implementation?

April 29, 2007 1:42pm CST
"When we r implementing the some comman methods in the every class at that time we keep that all methods in the one interface. Another way example:- for example for CD Writer soft ware dovelepment all companies(LG,SAMSUNG) follow the method names r coman.But the internal code is differnet for each company.For write the data or read the data frome cd.Due to it need some understanding between the any OS and the Writers due to we r using different different combinations.. We can say by using the interface concept all r following some comman stadard methods." anymore improvements?
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