From a76f75d5bcb1da22d1e65c25436dc1bd97269dc5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E9=B9=8F=E7=A8=8B?= <3276474371@qq.com>
Date: Thu, 6 Aug 2020 19:28:37 +0800
Subject: [PATCH] Arithmometer.java

---
 Arithmometer.java | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Arithmometer.java

diff --git a/Arithmometer.java b/Arithmometer.java
new file mode 100644
index 0000000..bff74fa
--- /dev/null
+++ b/Arithmometer.java
@@ -0,0 +1,31 @@
+package com.wpc;
+/* --- coding = utf-8 ---
+ * @Time:     2020/8/6 18:34
+ * @Author:   1807310509
+ * @File:     Arithmometer.java
+ * @Software: IntelliJ IDEA
+ */
+
+public class Arithmometer {
+    private static double result;
+
+    public Arithmometer() {
+    }
+
+    public static double calculator(Double num1,String sign,Double num2) {
+        switch (sign) {
+            case "+":
+                result = num1 + num2;
+                break;
+            case "-":
+                result = num1 - num2;
+                break;
+            case "*":
+                result = num1 * num2;
+                break;
+            case "/":
+                result = num1 / num2;
+        }
+        return result;
+    }
+}