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package bjc.esodata;
/**
* Interface for a double-sided object.
*
* @author bjculkin
*
*/
public interface DoubleSided {
/**
* Flips the object.
*
* The active side becomes inactive, and the inactive side becomes active.
*/
void flip();
/**
* Check which side of the object is active;
*
* @return True if the front side is active, false otherwise.
*/
boolean currentSide();
}
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