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  Tutorial: Abstract methods and classes

While going through the java language programming you have learned so many times the word abstract. In java programming language the word abstract is used with methods and classes.

Tutorial Details:

An abstract method one that have the empty implementation. All the methods in any interface are abstract by default. Abstract method provides the standardization for the " name and signature" of any method.

One can extend and implement to these methods in their own classes according to the requirements.

e.g.
public abstract abs_value();


 

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Abstract methods and classes

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