Edited the logic about cutomer ages

src/main/java/de/rwth/swc/sqa/DataService.java

@@ -94,7 +94,7 @@ public class DataService {
 	//born before 2008
 	public static boolean customerIsChild(Customer customer){
 		boolean isChild= false;
-		if(Integer.valueOf(customer.getBirthdate().substring(0,4)) <= 2008 ){
+		if(Integer.valueOf(customer.getBirthdate().substring(0,4)) >= 2008 ){
 					isChild=true;
 		}
 
@@ -106,7 +106,7 @@ public class DataService {
 	//born after 1994
 	public static boolean customerIsStudent(Customer customer){
 		boolean isStudent= false;
-		if(Integer.valueOf(customer.getBirthdate().substring(0,4)) <= 1994 && !customerIsChild(customer) ){
+		if(Integer.valueOf(customer.getBirthdate().substring(0,4)) >= 1994 && !customerIsChild(customer) ){
 					isStudent=true;
 		}