APCSA/U5/L7/runner_Rectangle.java

import java.util.Scanner;

public class runner_Rectangle {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Rectangle r = new Rectangle();
        String instruction = "";
        while (!instruction.equals("q")) {
            System.out.println(
                "Type the name of the method to test. Type c to construct a new rectangle, q to quit."
            );
            instruction = scan.nextLine();
            if (instruction.equals("getArea")) {
                System.out.println(r.getArea());
            } else if (instruction.equals("getBase")) {
                System.out.println(r.getBase());
            } else if (instruction.equals("getHeight")) {
                System.out.println(r.getHeight());
            } else if (instruction.equals("getPerimeter")) {
                System.out.println(r.getPerimeter());
            } else if (instruction.equals("toString")) {
                System.out.println(r);
            } else if (instruction.equals("getDiagonal")) {
                System.out.println(r.getDiagonal());
            } else if (instruction.equals("setBase")) {
                System.out.println("Enter parameter value:");
                double arg = scan.nextDouble();
                r.setBase(arg);
                scan.nextLine();
            } else if (instruction.equals("setHeight")) {
                System.out.println("Enter parameter value:");
                double arg = scan.nextDouble();
                r.setHeight(arg);
                scan.nextLine();
            } else if (instruction.equals("equals")) {
                System.out.println("Enter base and height:");
                double bs = scan.nextDouble();
                double ht = scan.nextDouble();
                Rectangle rOther = new Rectangle(bs, ht);
                System.out.println(r.equals(rOther));
                scan.nextLine();
            } else if (instruction.equals("c")) {
                System.out.println("Enter base and height:");
                double bs = scan.nextDouble();
                double ht = scan.nextDouble();
                r = new Rectangle(bs, ht);
                scan.nextLine();
            } else if (!instruction.equals("q")) {
                System.out.println("Not recognized.");
            }
        }
    }
}