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47 lines
1.5 KiB
47 lines
1.5 KiB
/**
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* 温度转换程序
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* 支持摄氏度和华氏度的互相转换
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* @author 陈全文
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* @version 1.0
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*/
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import java.util.Scanner;
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public class TemperatureConverter {
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public static double celsiusToFahrenheit(double celsius) {
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return celsius * 9.0 / 5.0 + 32.0;
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}
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public static double fahrenheitToCelsius(double fahrenheit) {
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return (fahrenheit - 32.0) * 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. 摄氏度 -> 华氏度");
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System.out.println("2. 华氏度 -> 摄氏度");
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System.out.print("请选择转换类型 (1/2): ");
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String choice = scanner.nextLine();
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if (choice.equals("1")) {
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System.out.print("请输入摄氏度: ");
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double celsius = scanner.nextDouble();
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double fahrenheit = celsiusToFahrenheit(celsius);
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System.out.println(celsius + "°C = " + fahrenheit + "°F");
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} else if (choice.equals("2")) {
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System.out.print("请输入华氏度: ");
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double fahrenheit = scanner.nextDouble();
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double celsius = fahrenheitToCelsius(fahrenheit);
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System.out.println(fahrenheit + "°F = " + celsius + "°C");
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} else {
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System.out.println("无效选择，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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