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Apr 26th, 2015
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Java 0.43 KB | None | 0 0
  1. package UE3_2;
  2.  
  3. public class Wurzel implements Funktion {
  4.  
  5.     public boolean istDefiniertFuer(double x) {
  6.         if (x < 0) {
  7.             return false;
  8.         } else {
  9.             return true;
  10.         }
  11.     }
  12.    
  13.     public double wert(double x) throws ValueOutOfRangeException{
  14.        
  15.         if (!istDefiniertFuer(x))
  16.             throw new ValueOutOfRangeException("Fehler: Negative Wurzel!");
  17.        
  18.         return Math.sqrt(x);
  19.     }
  20.  
  21.     public String darstellung() {
  22.         return "sqrt(x)";
  23.     }
  24. }
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