Beginner help with applets in java July 2011

[Vuhelper]

Code:

import java.util.Scanner; public class rectangle { public static void main( String[] args ) { rectangle rec = new rectangle(); } double length = 1.0 double width = 1.0 double perimeter double area public class calcPerimeter() { perimeter = 2*length + 2*width; } public class calcArea() { area = length*width; } private double getLength() { return length; } private double getWidth() { return width; } private double setLength( length ) { double recLength = length; if (recLength > 0.0 && recLength < 20.0) { length = recLength; } } private double setWidth( width ) { double recWidth = width; if (recWidth > 0.0 && recWidth < 20.0) { width = recWidth; } } private void toString() { System.out.printf("%s%.2f" + " " "%s%.2f" + " " + "%s%.2f" + " " + "%s%.2f" + " " +, length, width, perimeter, area); } } // end main