public static void main(String[] args) {
// square
Square square = new Square(5.6);
System.out.println("area: " + square.getArea());
System.out.println("perimeter: " + square.getPerimeter());
// rectangle
Rectangle rectangle = new Rectangle(1.2, 3.4);
System.out.println("area: " + rectangle.getArea());
System.out.println("perimeter: " + rectangle.getPerimeter());
// circle
Circle circle = new Circle(1.2);
System.out.println("area: " + circle.getArea());
System.out.println("perimeter: " + circle.getPerimeter());
// triangle
Triangle triangle = new Triangle(1.2, 1.2, 1.2);
System.out.println("area: " + triangle.getArea());
System.out.println("perimeter: " + triangle.getPerimeter());
// shape
Shape shape = new Circle(1);
System.out.println("area: " + shape.getArea());
System.out.println("perimeter: " + shape.getPerimeter());
}
public static void main(String[] args) {
Square square = new Square(4);
Triangle triangle = new Triangle(3, 2, 3, 7.2, 5, 4.5);
Rectangle rectangle = new Rectangle(6, 4);
Circle circle = new Circle(8.5);
System.out.println(square.getArea());
System.out.println(triangle.getArea());
System.out.println(triangle.getWidth());
System.out.println(triangle.getHeight());
System.out.println(rectangle.getArea());
System.out.println(circle.getArea());
}
// App class constructor
public App() {
// Print out a test message to the console to confirm running program
// Uses java.lang library System.out to do priting to console
System.out.println("App constructor success!");
// Delare and instantiate objects
MainWindow myWindow = new MainWindow();
InputBox inBox = new InputBox(myWindow);
OutputBox outBox = new OutputBox(myWindow);
// Render the main window
myWindow.show();
// Declare and initialise variables to default values
double baseDimension = -1;
double heightDimension = -1;
double area = -1;
// Get input form the user
baseDimension = inBox.getDouble("Please enter the size of the base in mm: ");
heightDimension = inBox.getDouble("Please enter the height in mm: ");
// Debug output
System.out.println("The base entered was: " + baseDimension);
System.out.println("The height entered was: " + heightDimension);
// Create the Triangle object
Triangle myTriangle = new Triangle();
// Set values from user
myTriangle.setBaseDimension(baseDimension);
myTriangle.setHeightDimension(heightDimension);
// Calculate the area
myTriangle.computeArea();
area = myTriangle.getArea();
// Show the feedback dialog
outBox.show();
// Return the calculated area
outBox.println("The triangle area was computed to be: " + area);
}
private static boolean testTriangle() {
boolean pass = true;
int test = 1;
Triangle tri;
Point a = new Point(4, 0);
Point b = new Point(-2, -1);
Point c = new Point(1, 4);
System.out.println("Triangle tests...");
tri = new Triangle(a, b, c, Color.cyan, false);
pass &= test(approx(tri.getArea(), 13.5, 0.000001), test++);
pass &= test(tri.getColor().equals(Color.cyan), test++);
tri.setColor(Color.black);
pass &= test(tri.getColor().equals(Color.black), test++);
pass &= test(!tri.getFilled(), test++);
tri.setFilled(true);
pass &= test(tri.getFilled(), test++);
pass &= test(tri.getVertexA().equals(new Point(4, 0)), test++);
pass &= test(tri.getVertexB().equals(new Point(-2, -1)), test++);
pass &= test(tri.getVertexC().equals(new Point(1, 4)), test++);
a = new Point(7, -3);
tri.setVertexA(a);
pass &= test(tri.getVertexA().equals(new Point(7, -3)), test++);
b = new Point(13, 56);
tri.setVertexB(b);
pass &= test(tri.getVertexB().equals(new Point(13, 56)), test++);
c = new Point(-3, 23);
tri.setVertexC(c);
pass &= test(tri.getVertexC().equals(new Point(-3, 23)), test++);
pass &= test(approx(tri.getArea(), 373.0, 0.000001), test++);
tri.move(new Point(-5, -7));
pass &= test(tri.getVertexA().equals(new Point(2, -10)), test++);
pass &= test(tri.getVertexB().equals(new Point(8, 49)), test++);
pass &= test(tri.getVertexC().equals(new Point(-8, 16)), test++);
a = new Point(2, -10);
b = new Point(8, 49);
c = new Point(-8, 16);
Triangle tri2 = new Triangle(a, b, c, Color.black, true);
pass &= test(tri.equals(tri2), test++);
Triangle tri3 = new Triangle(new Point(3, -9), b, c, Color.black, false);
pass &= test(!tri2.equals(tri3), test++);
tri3 = new Triangle(a, new Point(7, 48), c, Color.black, false);
pass &= test(!tri2.equals(tri3), test++);
tri3 = new Triangle(a, b, new Point(-7, 17), Color.black, false);
pass &= test(!tri2.equals(tri3), test++);
tri3 = new Triangle(a, b, c, Color.red, false);
pass &= test(!tri2.equals(tri3), test++);
pass &= test(!tri2.equals(null), test++);
pass &= test(!tri2.equals(new String("Whatever")), test++);
return pass;
}
@Test
public void AreaTest() {
Triangle A = new Triangle(3, 4, 5);
Triangle B = new Triangle(6, 8, 10);
assertTrue(A.getArea() == B.getArea());
}
