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Assume that Employee has been defined as a class in a Java program. Consider the declaration “Employee emp;”. Does emp point to an Employee object? [yes or no]

LANGUAGE: JAVA

CHALLENGE:

QUESTION 1: Assume that Employee has been defined as a class in a Java program. Consider the declaration “Employee emp;”. Does emp point to an Employee object? [yes or no]:

SOLUTION:

no

Posted in Java, Learn To Code

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← Regardless of the type of communications device, there must be a way to transmit and receive data. Define an interface, CommDevice, with two methods : transmit, that accepts two parameters — reference to a Destination object , and a string (in that order), and returns a boolean; and receive, that accepts a parameter of type Duration, and returns a reference to a String.
Given the abstract class , RentableDwelling, containing: a (private ) double instance variable , rentPerUnit a constructor accepting a double used to initialize rentPerUnit a method , getRentPerUnit that returns the value of rentPerUnit an abstract method getRentalIncome that returns a double write a (non-abstract) subclass, ApartmentHouse, containing: an int instance variable numberOfApartments a constructor accepting a double , passed to the superclass constructor , and an int used to initialize numberOfApartments the method getRentalIncome calculated as the product of numberOfApartments and the rent per unit. getRentalIncome returns a double. →

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