Question

In a repository that was created in Ubuntu Linux and compiled under OpenJDK 6, when implementing LocationListener and SensorListener, adding the @Override tag above the inherited methods compiles fine.

But when the repo is cloned onto a Windows system with Oracle Java, some of the @Override generates errors. Example below:
The method onAccuracyChanged(Sensor, int) of type ExpeditionActivity must override a superclass method

It seems that this error occurs only when you add @Override above a method that is inherited from implementing an interface. Adding @Override above a method inherited from a base class does not generate the error. This actually makes sense, because you are actually overriding the logic of the original method.

SO, is it syactically correct to write @Override above inherited interface methods?

Answer 1

@Override is limited to base class methods in JDK 5.

JDK 6 introduced the ability to apply @Override to interface methods.

Eclipse must be set to use JDK6/JDK6 language level to use @Override on interface methods.

To answer your question, “yes, if you’re compiling under JDK 6+”.