４段階目終わりました

em-oop/src/EmployeeData.java

@@ -1,5 +1,5 @@
 
-public class EmployeeData {
+public class EmployeeData extends BaseData {
 	private String idEmployee;
 	private String nmEmployee;
 	private String knEmployee;
@@ -91,4 +91,14 @@ public class EmployeeData {
 
 	}
 
+	@Override
+	public String toCSV() {
+		return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress() + ","
+				+ getPassword() + "," + getIdDepartment();
+	}
+
+	public String getPrimaryKeyValue() {
+		return getIdEmployee();
+	}
+
 }