add diff

Author: serhii-petrenko

pom.xml

@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>ua.javaclub</groupId>
 	<artifactId>tmp2310</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
+	<version>0.0.10</version>
 	<name>tmp2310</name>
 	<description>Demo project for Spring Boot</description>
 	<properties>

src/main/java/ua/javaclub/tmp2310/CalculatorService.java

@@ -5,4 +5,7 @@ public class CalculatorService {
     public Integer sum(Integer a, Integer b) {
         return a + b;
     }
+    public Integer diff(Integer a, Integer b) {
+        return a - b;
+    }
 }