Laboratory Exercises – Java Lesson 5: Creating Classes and Objects 1 a . Create a class named Pizza. Data fields include String for toppings (such as “pepperoni”), an integer for diameter in inches (such as 12) and double for price (as in 13.99). Include methods to get and set values for each of these fields. b. Create a class named TestPizza that instantiates one Pizza object and demonstrates the use of the Pizza set and get methods.
Laboratory Exercises – Java Lesson 5: Creating Classes and Objects
1 a . Create a class named Pizza. Data fields include String for toppings (such as “pepperoni”), an integer for diameter in inches (such as 12) and double for price (as in 13.99). Include methods to get and set values for each of these fields.
b. Create a class named TestPizza that instantiates one Pizza object and demonstrates the use of the Pizza set and get methods.
2. Write a
3. a. Create a class named Circle with fields named radius, area and diameter. Include methods names setRadius(), getRadius(), computeDiameter() which computes a circles’s diameter and computeArea which computes a circle’s area. The diameter of a circle is twice its radius and the area is 3.14 multiplied by the square of the radius.
b. Create a class named TestCircle whose main() declares three Circle objects. Using the setRadius() method, assign one circle a small radius value. Assign another circle a larger radius value and assign the third circle a radius of 1. Call computeDiameter() and computeArea() for each circle and display the results.
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