Einfaches Auslesen eines Excel mit Apach POI

ExcelParserMain.java

    public static Katalog extractKatalog(Workbook excel) {
        // System.out.println(excel.getNumberOfSheets());

        Sheet sheet = excel.getSheetAt(0);

        Katalog katalog = new Katalog("der erste Katalog");

        for (Row zeile : sheet) {
            Cell zelle = zeile.getCell(4);
 

            String geVoString = zelle.getStringCellValue();
     
            ... 

        }
        return katalog;
    }

pom.xml

		<dependency>
			<groupId>org.apache.poi</groupId>
			<artifactId>poi</artifactId>
			<version>3.9</version>
		</dependency>
		<dependency>
			<groupId>org.apache.poi</groupId>
			<artifactId>poi-ooxml</artifactId>
			<version>3.9</version>
		</dependency>