Question: solve please Methods declared in a Java. must be abstract a. Abstract Classes b. Interfaces All of them d. None of them QUESTION 10 Hiding

solve please solve please Methods declared in a Java. must be abstract a. Abstract

Methods declared in a Java. must be abstract a. Abstract Classes b. Interfaces All of them d. None of them QUESTION 10 Hiding internal data from the outside world, and accessing it only through publicly exposed methods is known as data .... a. Polymorphism b.Encapsulation C. Inheritance d. Abstraction QUESTION 11 If a (an)...... variable has been changed in any object this change will be reflected on all working objects. a. Constant b. Static C Instance d. Protected

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