diff --git a/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/src/main/java/com/baeldung/spring/cloud/springcloudcontractconsumer/controller/BasicMathController.java b/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/src/main/java/com/baeldung/spring/cloud/springcloudcontractconsumer/controller/BasicMathController.java
index f164af89e6..58e6d5d5b8 100644
--- a/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/src/main/java/com/baeldung/spring/cloud/springcloudcontractconsumer/controller/BasicMathController.java
+++ b/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/src/main/java/com/baeldung/spring/cloud/springcloudcontractconsumer/controller/BasicMathController.java
@@ -16,7 +16,7 @@ public class BasicMathController {
     private RestTemplate restTemplate;
 
     @GetMapping("/calculate")
-    public String checkOddAndEven(@RequestParam("number") String number) {
+    public String checkOddAndEven(@RequestParam("number") Integer number) {
         HttpHeaders httpHeaders = new HttpHeaders();
         httpHeaders.add("Content-Type", "application/json");
 
diff --git a/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/src/main/java/com/baeldung/spring/cloud/springcloudcontractproducer/controller/EvenOddController.java b/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/src/main/java/com/baeldung/spring/cloud/springcloudcontractproducer/controller/EvenOddController.java
index e61cc1120c..b8cc002fb4 100644
--- a/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/src/main/java/com/baeldung/spring/cloud/springcloudcontractproducer/controller/EvenOddController.java
+++ b/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/src/main/java/com/baeldung/spring/cloud/springcloudcontractproducer/controller/EvenOddController.java
@@ -9,7 +9,7 @@ import org.springframework.web.bind.annotation.RestController;
 public class EvenOddController {
 
     @GetMapping("/validate/prime-number")
-    public String isNumberPrime(@RequestParam("number") String number) {
-        return Integer.parseInt(number) % 2 == 0 ? "Even" : "Odd";
+    public String isNumberPrime(@RequestParam("number") Integer number) {
+        return number % 2 == 0 ? "Even" : "Odd";
     }
 }