diff --git a/w1/README.md b/w1/README.md
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--- /dev/null
+++ b/w1/README.md
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+javac TemperatureConverter.java
+java TemperatureConverter
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diff --git a/w1/TemperatureConverter.java b/w1/TemperatureConverter.java
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+++ b/w1/TemperatureConverter.java
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+import java.util.Scanner;
+
+// 温度转换器：摄氏(C)与华氏(F)互转，复刻Python原程序逻辑
+public class TemperatureConverter {
+    // 摄氏转华氏
+    public static double c2f(double c) {
+        return c * 9.0 / 5.0 + 32.0;
+    }
+
+    // 华氏转摄氏
+    public static double f2c(double f) {
+        return (f - 32.0) * 5.0 / 9.0;
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        // 输入提示与Python完全一致
+        System.out.print("请输入要转换的温度与单位（例如 36.6 C 或 97 F）：");
+        String input = sc.nextLine().strip();
+        sc.close();
+
+        // 空输入处理
+        if (input.isEmpty()) {
+            System.out.println("输入为空，程序退出。");
+            return;
+        }
+
+        // 解析输入并转换
+        String[] parts = input.split(" ");
+        try {
+            double val = Double.parseDouble(parts[0]);
+            String unit = parts.length > 1 ? parts[1].toUpperCase() : "C";
+            if (unit.startsWith("C")) {
+                System.out.printf("%.2f °C = %.2f °F\n", val, c2f(val));
+            } else if (unit.startsWith("F")) {
+                System.out.printf("%.2f °F = %.2f °C\n", val, f2c(val));
+            } else {
+                System.out.println("未知单位，请使用 C 或 F。");
+            }
+        } catch (Exception e) {
+            System.out.println("输入解析失败，请按示例输入数值与单位，例如：36.6 C");
+        }
+    }
+}
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