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- package harj2;
- public class Suorakulmio
- {
- private double x1;
- private double y1;
- private double x2;
- private double y2;
- public Suorakulmio()
- {
- x1=0;
- y1=0;
- x2=1;
- y2=1;
- }
- public Suorakulmio(double _x2, double _y2)
- {
- x1=0;
- y1=0;
- }
- public Suorakulmio(double _x1, double _y1, double _x2, double _y2)
- {
- x1= _x1;
- y1= _y1;
- x2= _x2;
- y2= _y2;
- }
- public double kanta() {
- return x2-x1;
- }
- public double korkeus() {
- return y2-y1;
- }
- public double pintaAla() {
- return kanta() * korkeus();
- }
- public static void main(String[] args)
- {
- Suorakulmio test = new Suorakulmio();
- System.out.println("Kannan pituus= " + test.kanta() + "\nKorkeus= " + test.korkeus() + "\nPinta-ala= " + test.pintaAla());
- }
- }
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