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Create an abstract class Shape with the following specifications: An abstract method surface _ area ( ) of return type double An abstract method
Create an abstract class "Shape" with the following specifications:
An abstract method "surfacearea of return type double
An abstract method "volume of return type double
Put your code in a Java source file named "Shape.java."
I.
Create a class "Sphere" that extends the Shape class with the following specifications:
Attributes:
Radius
Constructor:
Implement a parameterized constructor needed to initialize the data.
toString:
Implement a "toString" method that prints out the surface area and volume.
Implement methods to compute the surface area and volume.
II
Create a class "Cylinder" that extends the Shape class with the following specifications:
Attributes:
Radius, height both of type double
Constructor:
Implement a parameterized constructor to initialize the data.
toString:
Implement a "toString" method that prints out the surface area and volume.
Implement methods to compute the surface area and volume.
III.
Create a class "Cone" that extends the Shape class with the following specifications:
Attributes:
Radius, height both of type double
Constructor:
Implement a parameterized constructor to initialize the data.
toString:
Implement a "toString" method that prints out the surface area and volume.
Implement methods to compute the surface area and volume.
IV
Create a driver class named "ShapeArray" with the following specifications:
Instantiate one sphere.
Instantiate one cylinder.
Instantiate one cone.
Store the class instances into an array named "shapeArray."
Loop through the array and print out the instance data of each object using the object instance's "toString" method.
Show a Unified Modeling Language UML diagram of your project.
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