Fixed locale for CSV, and no trailing ;

tree-water-demand/src/main/java/de/hft/stuttgart/water/TreeWaterDemand.java

@@ -11,6 +11,7 @@ import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.stream.Collectors;
 import com.opencsv.CSVReader;
 import com.opencsv.exceptions.CsvException;
@@ -78,6 +79,7 @@ public class TreeWaterDemand
 		int startHours = (int) Duration.between(startOfYear, start).toHours();
 		int hours = (int) Duration.between(start, end).toHours();
 		DateTimeFormatter f = DateTimeFormatter.ofPattern("dd/MM/yyyy HH:mm");
+		Locale.setDefault(new Locale("en", "US"));
 		try (BufferedWriter bw = Files.newBufferedWriter(Paths.get("all_values.csv"), StandardCharsets.UTF_8)) {
 			bw.write("DateTime;Temperature;Humidity;GHI;WindSpeed;SaturationVaporPressure;ActualVaporPressure;ET0;ET0u\n");
 			bw.write("dd/mm/yyyy HH:MM;[°C];[%];[W/m²];[m/s];[?];[?];[l/h];[l/h]\n");
@@ -88,9 +90,9 @@ public class TreeWaterDemand
 				double humidity = Double.parseDouble(row[humidityIndex]);
 				double incomingRadiation = Double.parseDouble(row[irrIndex]);
 
-				bw.write(String.format("%.1f;", temp));
-				bw.write(String.format("%.0f;", humidity));
-				bw.write(String.format("%.0f;", incomingRadiation));
+				bw.write(String.format("%.1f", temp));
+				bw.write(String.format(";%.0f", humidity));
+				bw.write(String.format(";%.0f", incomingRadiation));
 
 				// convert to MJ/h - 1 W = 0.0036 MJ/h
 				incomingRadiation *= 0.0036;
@@ -103,11 +105,11 @@ public class TreeWaterDemand
 						hourOfDay, lz, lm);
 				double et0u = et0u(svf, advection, et0);
 
-				bw.write(String.format("%.1f;", windSpeed));
-				bw.write(String.format("%.3f;", saturationVaporPressure));
-				bw.write(String.format("%.3f;", actualVaporPressure));
-				bw.write(String.format("%.3f;", et0));
-				bw.write(String.format("%.3f;", et0u));
+				bw.write(String.format(";%.1f", windSpeed));
+				bw.write(String.format(";%.3f", saturationVaporPressure));
+				bw.write(String.format(";%.3f", actualVaporPressure));
+				bw.write(String.format(";%.3f", et0));
+				bw.write(String.format(";%.3f", et0u));
 
 				et0s.add(et0);
 				//			System.out.println("et0: " + et0);