1.3-Object-Georienteerd-Programmeren

Rectangle

In this assignment, you are going to practice using constructor overloading. We are going to create a Rectangle class with some default properties:

• x and y are set to 0 by default.
• width and height have the value 100 by default.
• color is red by default (we are using the Color class from the package java.awt).

Create this class and make sure that the instance variables are set to these values by default. Now we are going to add some constructors to set different properties when creating:

• Rectangle()
• Rectangle(int x, int y)
• Rectangle(int x, int y, int width, int height)
• Rectangle(Color color)
• Rectangle(int x, int y, Color color)
• Rectangle(int x, int y, int width, int height, Color color)

Try to avoid code duplication by having constructors call each other.

Finally, add the method draw() that can draw the rectangle in the SaxionApp. Test your application by taking the code in the Application class out of comments. Create some rectangles of your own. The result of the sample code should look like this:

Relevant links

• Java documentation of the SaxionApp