What defines an abstract class Java?

The only way to access the non-static method of an abstract class is to extend it, implement the abstract methods in it (if any) and then using the subclass object you need to invoke the required methods .

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The only way to access the non-static method of an abstract class is to extend it, implement the abstract methods in it (if any) and then using the subclass object you need to invoke the required methods .

Read more