3072>
Hvis vi tager kodne fra 
http://www.eksperten.dk/spm/362201, så
ser den da ud til at virke for maxiletter også:
/**
* Letter information what kind of letter are we dealing with defined by length,
* width, thickness and weight.
*
* @author (your name)
* @version (a version number or a date)
*/
public class Category {
    // instance variables
    private int length, width, weight;
    private double thickness;
    private String country;
    /**
    * Constructor for objects of class Category
    */
    public Category(int l, int w, int we, double t, String c) {
        // initialise instance variables
        length = l;
        width = w;
        weight = we;
        thickness = t;
        country = c;
    }
    //*Find out which type of letter we are dealing with according to weight,width, length and thicknes.*/
    public String getType() {
        if ((length <= 23)
            && (width <= 17)
            && (weight <= 50)
            && (thickness <= 0.5)) {
            return "Standardletter";
        } else if (
            (length <= 33)
                && (width <= 23)
                && (weight <= 1000)
                && (thickness <= 2)) {
            return "Largeletter";
        } else if (
            (length <= 60)
                && (length + width + thickness <= 90)
                && (weight <= 2000)) {
            return "Maxiletter";
        } else {
            return "Not a letter";
        }
    }
    //* Then we have to make the postage calculation according to weight and country.*/
    public double calculatePostage() {
        if ((getType().equals("Standardletter"))
            && (weight <= 50)
            && country.equals("Denmark")) {
            return 4.25;
        }
        if ((getType().equals("Standardletter"))
            && (weight <= 50)
            && country.equals("Europ, The Faroes Island and Greenland")) {
            return 5.50;
        }
        if ((getType().equals("Standardletter"))
            && (weight <= 50)
            && country.equals("Other foreign countries")) {
            return 6.50;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 50)
            && country.equals("Denmark")) {
            return 5.50;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 100)
            && country.equals("Denmark")) {
            return 6.50;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 250)
            && country.equals("Denmark")) {
            return 12.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 500)
            && country.equals("Denmark")) {
            return 20.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 1000)
            && country.equals("Denmark")) {
            return 28.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 50)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 8.50;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 100)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 12.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 250)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 19.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 500)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 33.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 1000)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 57.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 50)
            && country.equals("Other foreign countries")) {
            return 11.50;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 100)
            && country.equals("Other foreign countries")) {
            return 18.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 250)
            && country.equals("Other foreign countries")) {
            return 33.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 500)
            && country.equals("Other foreign countries")) {
            return 56.00;
        }
        if ((getType().equals("Largeletter"))
            && (weight <= 1000)
            && country.equals("Other foreign countries")) {
            return 95.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 50)
            && country.equals("Denmark")) {
            return 7.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 100)
            && country.equals("Denmark")) {
            return 9.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 250)
            && country.equals("Denmark")) {
            return 15.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 500)
            && country.equals("Denmark")) {
            return 24.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 1000)
            && country.equals("Denmark")) {
            return 32.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 2000)
            && country.equals("Denmark")) {
            return 40.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 50)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 14.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 100)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 19.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 250)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 26.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 500)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 41.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 1000)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 65.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 2000)
            && country.equals("Europe, The Faroes Island and Greenland")) {
            return 100.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 50)
            && country.equals("Other foreign countries")) {
            return 19.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 100)
            && country.equals("Other foreign countries")) {
            return 27.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 250)
            && country.equals("Other foreign countries")) {
            return 41.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 500)
            && country.equals("Other foreign countries")) {
            return 61.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 1000)
            && country.equals("Other foreign countries")) {
            return 105.00;
        }
        if ((getType().equals("Maxiletter"))
            && (weight <= 2000)
            && country.equals("Other foreign countries")) {
            return 175.00;
        } else {
            return -1.0;
        }
    }
    public static void main(String[] args) {
        Category brev = new Category(25,10,200,1,"Denmark");
        System.out.println(brev.calculatePostage());
        Category brev2 = new Category(55,10,200,1,"Denmark");
        System.out.println(brev2.calculatePostage());
    }
}