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an abstract class implementing an interface

 
John Call
Greenhorn
Posts: 20
Java MyEclipse IDE Ubuntu
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Hi,

What i have read,according to that,"when an abstract class implements an interface,it need no to give defination to methods of interface,it is the job of the first concrete subclass."
Here is what i am doing,
error-It says abs is not abstract ,doesn't override abstract method,what's the issue?,help.
Thanks, john
 
John Call
Greenhorn
Posts: 20
Java MyEclipse IDE Ubuntu
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all right ,a typo mistake at line 8,got it solved by myself.
 
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