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Define an interface named shape with a single method named area that calculates the area of the geometric shape: public double area (); Next, define a class named cirele that implements Shape. The cirele class should have an instance variable for the radius, a constructor that sets the radius, accessor/ mutator methods for the radius, and an implementation of the area method. Also define a class named Rectangle that implements shape. The Rectangle class should have instance variables for the height and width, a constructor that sets the height and width, accessor and mutator methods for the height and width, and an implementation of the area method. Programming Projects 757 The following test code should then output the area of the cirele and Rectangle objects: public static void main (String() args) circle e- new circle (4), // Radius of 4 Rectangle r - new Rectangle (4,3); // Neight - 4, Width - 3 Showarea (e), Showarea (r) I public static void Showarea (Shape a) double area- .area() System.out.printin("The area of the shape is "+ area);

Define an interface named shape with a single method named area that calculates the area of the geometric shape: public double area (); Next, define a class named cirele that implements Shape. The cirele class should have an instance variable for the radius, a constructor that sets the radius, accessor/ mutator methods for the radius, and an implementation of the area method. Also define a class named Rectangle that implements shape. The Rectangle class should have instance variables for the height and width, a constructor that sets the height and width, accessor and mutator methods for the height and width, and an implementation of the area method. Programming Projects 757 The following test code should then output the area of the cirele and Rectangle objects: public static void main (String() args) circle e- new circle (4), // Radius of 4 Rectangle r - new Rectangle (4,3); // Neight - 4, Width - 3 Showarea (e), Showarea (r) I public static void Showarea (Shape a) double area- .area() System.out.printin("The area of the shape is "+ area);

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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10. Define an interface named shape with a single method named area that calculates the area of the geometric shape: public double area (); Next, define a class named circle that implements shape. The circle class should have an instance variable for the radius, a constructor that sets the radius, accessor/ mutator methods for the radius, and an implementation of the area method. Also define a class named Rectangle that implements shape. The Rectangle class should have instance variables for the height and width, a constructor that sets the height and width, accessor and mutator methods for the height and width, and an implementation of the area method. Programming Projects 757 The following test code should then output the area of the circle and Rectangle objects: public static void main (String 0 args) circle c- new Circle (4); // Radius of 4 Rectangle r - new Rectangle (4,3); // Height - 4, Width - 3 showArea (c) : showArea (r): public static void ShowArea (Shape s) double area- .area () System.out.printin ("The area of the shape is " + area) ;
Transcribed Image Text:10. Define an interface named shape with a single method named area that calculates the area of the geometric shape: public double area (); Next, define a class named circle that implements shape. The circle class should have an instance variable for the radius, a constructor that sets the radius, accessor/ mutator methods for the radius, and an implementation of the area method. Also define a class named Rectangle that implements shape. The Rectangle class should have instance variables for the height and width, a constructor that sets the height and width, accessor and mutator methods for the height and width, and an implementation of the area method. Programming Projects 757 The following test code should then output the area of the circle and Rectangle objects: public static void main (String 0 args) circle c- new Circle (4); // Radius of 4 Rectangle r - new Rectangle (4,3); // Height - 4, Width - 3 showArea (c) : showArea (r): public static void ShowArea (Shape s) double area- .area () System.out.printin ("The area of the shape is " + area) ;
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