Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

testing-modules/testing-libraries/src/main/java/com/baeldung/lambdabehave/Calculator.java

@@ -0,0 +1,24 @@
+package com.baeldung.lambdabehave;
+
+public class Calculator {
+
+    private int x;
+    private int y;
+
+    Calculator(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    public int add() {
+        return this.x + this.y;
+    }
+
+    public int divide(int a, int b) {
+        return a / b;
+    }
+
+    public int add(int a, int b) {
+        return a + b;
+    }
+}