diff --git a/w1/temperarure.java b/w1/temperarure.java
index e69de29..7b27184 100644
--- a/w1/temperarure.java
+++ b/w1/temperarure.java
@@ -0,0 +1,16 @@
+public class temperature {
+    public static double celsiusToFahrenheit(double c) {
+        return c * 9.0 / 5.0 + 32;
+    }
+    public static double fahrenheitToCelsius(double f) {
+        return (f - 32) * 5.0 / 9.0;
+    }
+    public static void main(String[] args) {
+        double c = 36.6;
+        double f = celsiusToFahrenheit(c);
+        System.out.printf("%.2f 摄氏度 = %.2f 华氏度\n", c, f);
+        double f2 = 98.6;
+        double c2 = fahrenheitToCelsius(f2);
+        System.out.printf("%.2f 华氏度 = %.2f 摄氏度\n", f2, c2);
+    }
+}