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Posted By

joshnunn on 08/12/09


Tagged

basic class command constructor query rectangle learning area private perimeter


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Rectangle.java

 / Published in: Java
 

URL: http://nunnone.com

This is a program to implement a Rectangle. Private fields record the length and width and methods calculate the area and perimeter. It sets a default length and width if one is not given.

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  1. public class Rectangle {
  2. 	private double length;
  3. 	private double width;
  4. 	private double area;
  5. 	private double perimeter;
  6.  
  7. 	public Rectangle(){
  8. 		this.length = 1.0;
  9. 		this.width = 1.0;
  10. 	}
  11.  
  12. 	public Rectangle(double theLength, double theWidth){
  13. 		length = theLength;
  14. 		width = theWidth;
  15. 	}
  16.  
  17. 	public double getArea() {
  18. 		area = width * length;
  19. 		return area;
  20. 	}
  21.  
  22. 	public double getPerimeter(){
  23. 		perimeter = (width * 2) + (length * 2);
  24. 		return perimeter;
  25. 	}
  26. }

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