//TODO 9.4 : Felder zusammenfuehren	

	public static String[] zusammenfuegen(char[] firstcharFeld, char[] secondcharFeld) {
		String[] emptyArr = {};		
		if (firstcharFeld == null || firstcharFeld.length == 0 || secondcharFeld == null
				|| secondcharFeld.length == 0) {
				return emptyArr;
				}
		
		int n1 = firstcharFeld.length;
		int n2 = secondcharFeld.length;		
		
		String[] erg = new String[n1+n2];
		
		int i = 0, j = 0, k = 0; 
		
        // Traverse both array 
        while (i < n1 && j < n2) 
        { 
        	erg[k++] = String.valueOf(firstcharFeld[i++]); 
        	erg[k++] = String.valueOf(secondcharFeld[j++]); 
        } 
      
        // Store remaining elements of first array 
        while (i < n1) 
            erg[k++] = String.valueOf(firstcharFeld[i++]); 
      
        // Store remaining elements of second array 
        while (j < n2) 
            erg[k++] = String.valueOf(secondcharFeld[j++]);
					
		return erg;
		}
	}