添加 'TemperatureConverter.java'

TemperatureConverter.java

@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class TemperatureConverter {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        
+        System.out.println("=== 温度转换程序 ===");
+        System.out.print("请输入温度值：");
+        double value = sc.nextDouble();
+        
+        System.out.print("请输入单位（C/F）：");
+        String unit = sc.next();
+
+        if (unit.equalsIgnoreCase("C")) {
+            double f = value * 9 / 5.0 + 32;
+            System.out.printf("%.2f℃ = %.2f℉%n", value, f);
+        } else if (unit.equalsIgnoreCase("F")) {
+            double c = (value - 32) * 5 / 9.0;
+            System.out.printf("%.2f℉ = %.2f℃%n", value, c);
+        } else {
+            System.out.println("输入错误！请输入 C 或 F");
+        }
+        
+        sc.close();
+    }
+}