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Java > Learn Java > Can you use abstract and final both with a method? Why?
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Can you use abstract and final both with a method? Why?

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No because we have to provide an abstract method with implementation in the subclass (the child class of the parent class in which the abstract method was declared). And for providing this implementation the abstract method has to be overridden in the child class. Since final methods cannot be overridden...
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No because we have to provide an abstract method with implementation in the subclass (the child class of the parent class in which the abstract method was declared). And for providing this implementation the abstract method has to be overridden in the child class. Since final methods cannot be overridden so we can't declare a method both abstract and final as by doing so you won't be able to implement the method in the child class as it was declared both final and abstract in the parent class. read less
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Experienced Java Professional

No, we can not declare abstract method as final. We have to proved implementation to abstract methods in subclasses. and method declared as final mean don't override (or redefine) this method. So the abstract and final combination is contradicting with each other.
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Computer Classes

No, we can not declare abstract method as final. We have to proved implementation to abstract methods in subclasses.
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Certified Hadoop Developer with Spark Expertise

We should not write, because abstract meaning is partially implemented, so some one has to implement that, if we create that as final then we cant change that further.
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IT Professional Trainer with 13 years of experience in IT industry + Academics

Nope..... Because abstract methods are needed to be defined in the subclass..So you can't have abstract final method because then after you can not define it
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12 years of MNC company work experience on java ,J2ee technologies

No ,abstract and final both should not give to a method.Abstract method should be overriden in the subclasses.But final methods can't override.So these two rules are contradict.
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Trainer

No, because we have to provide the implementation to methods in subclasses.
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More than 12 years of experience in IT Industry including Science/Computer teaching

No, Abstract method cannot be declared as final. This is because, abstract method has to be overridden to provide implementation. If it is declared as final, it cannot be overridden.
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Java Trainer

No, Abstract is meant to be overridden in subclass so it wont have method body and final means it cannot be overridden in subclass and method body needs to be provided.
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Experienced Software Professional

No. This is so because an abstract method is there for implementation. Putting a final is illegal. A Final method needs to have a body or implementation. Final restricts further overriding of the method in any derived class.
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