Part 1 (Week 15) 1. Create a class named RunQuad. This class shall contain the main method. 2. Add three (3) classes named Quadrilateral, Rectangle, and Square. Rectangle shall inherit from Quadrilateral while Square shall inherit from Rectangle. 3. Declare a public method named showDescription() in all three (3) classes except in RunSquad. Customize each method by creating different println() statements. a. For Quadrilateral: "- is quadrilateral". b. For Rectangle: "- has 4 right angles". Add a super() statement to call Quadrilateral's method. c. For Square: "- has 4 equal sides". Add a super() statement to call Rectangle's method. 4. Code the main method of the RunQuad class. The output shall ask the user to press R or S to choose between rectangle and square. Display appropriate description(s). 5. Keep a copy of your program. You will be using it next week. Part 2 (Week 16) 6. Add three (3) more classes named Parallelogram, Rhombus, and Trapezoid. a. Parallelogram shall inherit from Quadrilateral and shall be the new parent class of Rectangle. Its println() statement shall be "- has 2 pairs of parallel sides". b. Rhombus shall inherit from Parallelogram. Its println() statement shall be "- has 4 congruent sides". c. Trapezoid shall inherit from Quadrilateral. Its println() statement shall be "- has 1 pair of parallel sides". 7. Modify the main method of the RunQuad class. The choices will now be R, S, P, H, and T. Display appropriate description(s).
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Part 1 (Week 15)
1. Create a class named RunQuad. This class shall contain the main method.
2. Add three (3) classes named Quadrilateral, Rectangle, and Square. Rectangle shall inherit from
Quadrilateral while Square shall inherit from Rectangle.
3. Declare a public method named showDescription() in all three (3) classes except in RunSquad.
Customize each method by creating different println() statements.
a. For Quadrilateral: "- is quadrilateral".
b. For Rectangle: "- has 4 right angles". Add a super() statement to call Quadrilateral's
method.
c. For Square: "- has 4 equal sides". Add a super() statement to call Rectangle's method.
4. Code the main method of the RunQuad class. The output shall ask the user to press R or S to
choose between rectangle and square. Display appropriate description(s).
5. Keep a copy of your program. You will be using it next week.
Part 2 (Week 16)
6. Add three (3) more classes named Parallelogram, Rhombus, and Trapezoid.
a. Parallelogram shall inherit from Quadrilateral and shall be the new parent class of
Rectangle. Its println() statement shall be "- has 2 pairs of parallel sides".
b. Rhombus shall inherit from Parallelogram. Its println() statement shall be "- has 4
congruent sides".
c. Trapezoid shall inherit from Quadrilateral. Its println() statement shall be "- has 1 pair
of parallel sides".
7. Modify the main method of the RunQuad class. The choices will now be R, S, P, H, and T. Display
appropriate description(s).
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