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