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how to handle delete( ), add( )?

 
xiaoma wang
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hi, guys:
I have a question: some methods in the Data class are not used in this assignment. But u know, i have a interface which has all the public methods in the Data class and i have to implement this interface in my project. i need to write some code in the override methods such as delete(), add() and .. or just let then empty?
Thanks a lot!
Xiaoma Wang
 
Mark Spritzler
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IntelliJ IDE Mac Spring
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I just passed the call to the Data class, even though they won't ever be called.
Mark
 
xiaoma wang
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Thanks Mark, you always save me!
Xiaoma Wang
 
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