上传文件至 'W1-王严笛-202506050329'

W1-王严笛-202506050329/Java源码.java

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+import java.util.Scanner;
+public class TemperatureConverter{
+    public static double celsiusToFahrenheit(double celsius){
+        return celsius * 9.0/5.0 + 32.0;
+    }
+    public static double fahrenheitToCelsius(double fahrenheit){
+        return (fahrenheit - 32.0) * 5.0 / 9.0;
+    }
+    public static void main(String[] args){
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("请输入要转换的温度与单位：");
+        String input = scanner.nextLine().trim();
+        if (input.isEmpty()){
+            System.out.println("输入为空，程序退出。");
+            return;
+        }
+        try{
+            double value = Double.parseDouble(parts[0]);
+            String unit = 'C';
+            if (parts.length > 1){
+                unit = parts[1].toUpperCase();
+            }
+            if (unit.startsWith('C')){
+                double f = celsiusToFahrenheit(value);
+                System.out.printf("%.1f℃ = %.2f℉%n",value,f);
+            } else if (unit.startsWith("F")){
+                double c = fahrenheitToCelsius(value);
+                System.out.println("未知单位，请使用C或F。");
+            }
+        } catch (NumberFormatExpectation e){
+            System.out.println("输入解析失败，请按示例输入数值与单位。");
+        } catch (Expectation e){
+            System.out.println("输入格式错误，请检查输入。");
+        } finally {
+            scanner,close();
+        }
+    }
+}