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import java.util.Scanner;
/**
* 温度转换程序
* 功能:实现摄氏温度与华氏温度之间的相互转换
*/
public class TemperatureConverter {
/**
* 摄氏温度转华氏温度
* @param celsius 摄氏温度
* @return 对应的华氏温度
*/
public static double celsiusToFahrenheit(double celsius) {
return celsius * 9.0 / 5.0 + 32;
}
/**
* 华氏温度转摄氏温度
* @param fahrenheit 华氏温度
* @return 对应的摄氏温度
*/
public static double fahrenheitToCelsius(double fahrenheit) {
return (fahrenheit - 32) * 5.0 / 9.0;
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("===== 温度转换程序 =====");
System.out.println("1. 摄氏转华氏");
System.out.println("2. 华氏转摄氏");
System.out.print("请选择功能(1/2):");
int choice = scanner.nextInt();
double result;
if (choice == 1) {
System.out.print("请输入摄氏温度:");
double c = scanner.nextDouble();
result = celsiusToFahrenheit(c);
System.out.printf("%.2f 摄氏 = %.2f 华氏\n", c, result);
} else if (choice == 2) {
System.out.print("请输入华氏温度:");
double f = scanner.nextDouble();
result = fahrenheitToCelsius(f);
System.out.printf("%.2f 华氏 = %.2f 摄氏\n", f, result);
} else {
System.out.println("输入错误,请输入 1 或 2");
}
scanner.close();
}
}