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import java.util.Scanner; |
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/** |
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* 温度转换程序(与Python版本功能完全等效) |
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* 输入格式:温度值 + 空格 + 单位(C/F),例如 36.6 C 或 97 F |
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* 功能:实现摄氏温度↔华氏温度的相互转换 |
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*/ |
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public class TemperatureConverter { |
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// 摄氏温度转换为华氏温度的核心方法
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public static double celsiusToFahrenheit(double celsius) { |
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return celsius * 9.0 / 5.0 + 32; |
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} |
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// 华氏温度转换为摄氏温度的核心方法
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public static double fahrenheitToCelsius(double fahrenheit) { |
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return (fahrenheit - 32) * 5.0 / 9.0; |
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} |
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// 程序主入口,处理输入和输出逻辑
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public static void main(String[] args) { |
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// 创建Scanner对象接收用户输入
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Scanner scanner = new Scanner(System.in); |
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// 提示语与你的Python程序完全一致
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System.out.print("请输入要转换的温度与单位(例如 36.6 C 或 97 F):"); |
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// 读取温度值和单位(兼容空格分隔的输入格式)
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double temperature; |
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String unit; |
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try { |
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temperature = scanner.nextDouble(); // 读取温度数值
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unit = scanner.next().toUpperCase(); // 读取单位并统一转为大写(兼容小写输入)
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} catch (Exception e) { |
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System.out.println("输入格式错误!请按示例格式输入(如:36.6 C)"); |
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scanner.close(); |
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return; |
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} |
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// 根据单位执行转换并输出结果
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if (unit.equals("C")) { |
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double result = celsiusToFahrenheit(temperature); |
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System.out.printf("%.2f C = %.2f F%n", temperature, result); |
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} else if (unit.equals("F")) { |
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double result = fahrenheitToCelsius(temperature); |
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System.out.printf("%.2f F = %.2f C%n", temperature, result); |
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} else { |
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System.out.println("单位错误!仅支持 C(摄氏)或 F(华氏)"); |
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} |
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// 关闭Scanner,释放资源
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scanner.close(); |
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} |
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} |
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