added calculator.java

tasnim-nz · Aug 21, 2025 · Aug 21, 2025 · Aug 21, 2025 · Aug 21, 2025 · Aug 21, 2025
commit 6864c83e88fe597a3e62ef8b4c10ca60751f86eb
diff --git a/estore/src/com/briup/web/servlet/Calculator.java b/estore/src/com/briup/web/servlet/Calculator.java
@@ -0,0 +1,15 @@
+public class Calculator {
+    public int add(int a, int b) { 
+        return a + b; 
+    }
+    public int subtract(int a, int b) { 
+        return a - b; 
+    }
+    public int multiply(int a, int b) { 
+        return a * b; 
+    }
+    public int divide(int a, int b) {
+        if (b == 0) throw new IllegalArgumentException("Cannot divide by zero");
+        return a / b;
+    }
+}