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(The Rectangle class ) Following the example of the Circle class in Section 9.2, design a class named Rectangle to represent a rectangle. The class...
(The Rectangle class ) Following the example of the Circle class in Section 9.2,
design a class named Rectangle to represent a rectangle. The class contains:
■ Two double data fields named width and height that specify the width and
height of the rectangle. The default values are 1 for both width and height .
■ A no-arg constructor that creates a default rectangle.
■ A constructor that creates a rectangle with the specified width and height .
■ A method named getArea() that returns the area of this rectangle.
■ A method named getPerimeter() that returns the perimeter.
Draw the UML diagram for the class and then implement the class. Write a test
program that creates two Rectangle objects—one with width 4 and height 40
and the other with width 3.5 and height 35.9 . Display the width, height, area,
and perimeter of each rectangle in this order.
The requirement is to write a rectangle class and a test class, which include try-catch blocks and exception handling. Exceptions, involving try, catch, throw, throws, and finally commands, I konw how to write a code about basic things, but in the test class, it gives me specific width and height so that
