+package de.juplo.kafka;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+
+@RequiredArgsConstructor
+@Getter
+@EqualsAndHashCode
+public class AdderResult
+{
+ final int number;
+ final long sum;
+
+ @Override
+ public String toString()
+ {
+ return "sum(" + number + ") = " + sum;
+ }
+}