The information hiding is the concept of allowing a class’s private data to be changed only by a class’s own methods. Hence, the correct option is “ c ”.

Question

Write Rectangle class to represent a rectangle. The class contains:a. Two double data fields named width and height that specify the width and height ofthe rectangle. The default values are 1 for both width and height.b. A no-arg constructor that creates a default rectangle.c. A constructor that creates a rectangle with the specified width and height.d. A method named getArea() that returns the area of this rectangle.e. A method named getPerimeter() that returns the perimeter.

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Chapter 3, Problem 17RQ

Program Description Answer

The information hiding is the concept of allowing a class’s private data to be changed only by a class’s own methods.

Hence, the correct option is “c”.

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Write Rectangle class to represent a rectangle. The class contains:a. Two double data fields named width and height that specify the width and height ofthe rectangle. The default values are 1 for both width and height.b. A no-arg constructor that creates a default rectangle.c. A constructor that creates a rectangle with the specified width and height.d. A method named getArea() that returns the area of this rectangle.e. A method named getPerimeter() that returns the perimeter.

Write Rectangle class to represent a rectangle. The class contains:a. Two double data fields named width and height that specify the width and height ofthe rectangle. The default values are 1 for both width and height.b. A no-arg constructor that creates a default rectangle.c. A constructor that creates a rectangle with the specified width and height.d. A method named getArea() that returns the area of this rectangle.e. A method named getPerimeter() that returns the perimeter. in Java

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