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- public class Rechteck
- {
- int laenge;
- int breite;
- Rechteck(int laenge1, int breite1)
- {
- laenge = laenge1;
- breite = breite1;
- }
- public double flaechenBerechnen()
- {
- return laenge*breite;
- }
- public boolean istQuadrat()
- {
- return (laenge == breite);
- }
- public void groesseSetzen(int neu1, int neu2)
- {
- laenge = neu1;
- breite = neu2;
- }
- public double diagonaleBerechnen()
- {
- return Math.sqrt(laenge*laenge + breite*breite);
- }
- public boolean Objekttest()
- {
- return (this instanceof Object);
- }
- public double SLQuadrat()
- {
- if (laenge == breite)
- {
- return laenge;
- }
- else{
- return Math.sqrt(flaechenBerechnen());
- }
- }
- }
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