From 5dacd5814b806c106a6356e574b305ef895afa20 Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Tue, 18 Nov 2025 04:56:14 +0000
Subject: [PATCH] [Sync Iteration] java/calculator-conundrum/1

---
 .../1/src/main/java/CalculatorConundrum.java  | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 solutions/java/calculator-conundrum/1/src/main/java/CalculatorConundrum.java

diff --git a/solutions/java/calculator-conundrum/1/src/main/java/CalculatorConundrum.java b/solutions/java/calculator-conundrum/1/src/main/java/CalculatorConundrum.java
new file mode 100644
index 0000000..a6aeecd
--- /dev/null
+++ b/solutions/java/calculator-conundrum/1/src/main/java/CalculatorConundrum.java
@@ -0,0 +1,31 @@
+class CalculatorConundrum {
+    public String calculate(int operand1, int operand2, String operation) {
+        if (operation == null)
+        {
+            throw new IllegalArgumentException("Operation cannot be null");
+        }
+        if(operation == "")
+        {
+            throw new IllegalArgumentException("Operation cannot be empty");
+        }
+        int result ;
+        switch(operation){
+            case "+" : result = operand1 + operand2;
+                break;
+            case "*" : result = operand1 * operand2;
+                break;
+            case "/" : 
+                try{
+                    result = operand1 / operand2;
+                }
+                catch(ArithmeticException e){
+                    throw new IllegalOperationException("Division by zero is not allowed",e);
+                }
+                break;
+            default :
+                throw new IllegalOperationException("Operation '" + operation + "' does not exist");
+        }
+        return operand1 + " " + operation + " " + operand2 + " = " + result;
+
+    }
+}