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2 Commits
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c80cb5ac3b
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c80cb5ac3b | 4 weeks ago |
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9346bde68c | 4 weeks ago |
4 changed files with 80 additions and 0 deletions
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/** |
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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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public class DataCleaner { |
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public static void main(String[] args) { |
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int[] sensorData = {85, -5, 92, 0, 105, 999, 88, 76}; |
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int validSum = 0; // 有效数据总和
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int validCount = 0; // 有效数据个数
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// 遍历数组
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for (int value : sensorData) { |
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if (value == 999) { |
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System.out.println("致命错误:传感器掉线,终止处理"); |
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break; |
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} |
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if (value >= 1 && value <= 100) { |
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// 正常范围
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validSum += value; |
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validCount++; |
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} else { |
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// 无效数据:0、负数或大于100(且不是999,因为999已提前处理)
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System.out.println("警告:发现越界数据 [" + value + "],已跳过"); |
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continue; // 可省略,但为符合题意显式写出
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} |
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} |
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// 输出结果
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if (validCount > 0) { |
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double average = (double) validSum / validCount; |
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System.out.println("有效数据的平均值为:" + average); |
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} else { |
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System.out.println("无有效数据"); |
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} |
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} |
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} |
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