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226

what is the main usage of an abstract keyword?please follow the program class A { void display() { System.out.println("hai"); } void print() { } } class B extends A { void print() { System.out.println("Hello"); } } In this program i was gives the implementation of print() according to my requirements in subclass.And there is no definition in superclass then why we can use abstract keyword before a method that i want to gives definition in other classes,is any mistakes in the above usage of method?

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what is the job description of us it recruiter?

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Can you explain value stack?

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Explain about angularjs service?

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What is detergent?

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What is a double?

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Why Ambari?

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valve guarding superior vena cava in embryonic stage

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How do I repair ubuntu installation?

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How to host WCF Self-Hosting?

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What is untyped dataset?

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Define aop(assepct oriented programing)?

644