commit 598d13c54e7cf841efcb23d6e10a796fbfb5beb2
Author: unknown <you@example.com>
Date:   Sun Mar 15 21:29:21 2026 +0800

    feat:完成W2作业

diff --git a/Java源码.md b/Java源码.md
new file mode 100644
index 0000000..6f4836f
--- /dev/null
+++ b/Java源码.md
@@ -0,0 +1,118 @@
+**Java源码**
+
+import java.util.Scanner;
+
+public class TemperatureConverter {
+
+&nbsp;   public static double celsiusToFahrenheit(double c){
+
+&nbsp;       return c\*9.0/5.0+32.0;
+
+&nbsp;   }
+
+&nbsp;   public static double fahrenheitToCelsius(double f){
+
+&nbsp;       return(f-32.0)\*5.0/9.0;
+
+&nbsp;   }
+
+&nbsp;   public static void main(String\[] args){
+
+&nbsp;       if (args.length>=2){
+
+&nbsp;           try{
+
+&nbsp;               double value=Double.parseDouble(args\[0]);
+
+&nbsp;               String unit=args\[1].toUpperCase();
+
+&nbsp;               if(unit.startsWith("C")){
+
+&nbsp;                   double f=celsiusToFahrenheit(value);
+
+&nbsp;                   System.out.printf("%.2f℃=%.2f℉%n",value,f);
+
+&nbsp;               }else if (unit.startsWith("F")){
+
+&nbsp;                   double c=fahrenheitToCelsius(value);
+
+&nbsp;                   System.out.printf("%.2f℉=%.2f℃%n",value,c);
+
+&nbsp;               }else {
+
+&nbsp;                   System.out.println("未知单位，请使用 C 或 F。");
+
+&nbsp;               }
+
+&nbsp;           }catch(Exception e){
+
+&nbsp;               System.out.println("命令行解析失败，请按示例输入，例如：java TemperatureConverter 36.6 C");
+
+&nbsp;           }
+
+&nbsp;       }else{
+
+&nbsp;           mainLogic();
+
+&nbsp;       }
+
+&nbsp;   }
+
+&nbsp;   public static void mainLogic(){
+
+&nbsp;       Scanner scanner=new Scanner(System.in);
+
+&nbsp;       System.out.print("请输入要转换的温度与单位（例如 36.6 C 或 97 F）:");
+
+&nbsp;       String s=scanner.nextLine().trim();
+
+&nbsp;       if (s.isEmpty()){
+
+&nbsp;           System.out.println("'输入为空，程序退出。");
+
+&nbsp;           return;
+
+&nbsp;       }
+
+&nbsp;       String\[] parts=s.split("\\\\s+");
+
+&nbsp;       try{
+
+&nbsp;           double value=Double.parseDouble(parts\[0]);
+
+&nbsp;           String unit=parts.length>1? parts\[1].toUpperCase():"C";
+
+&nbsp;           if (unit.startsWith("C")){
+
+&nbsp;               double f=celsiusToFahrenheit(value);
+
+&nbsp;               System.out.printf("%.2f℃=%.2f℉%n",value,f);
+
+&nbsp;           }else if(unit.startsWith("F")){
+
+&nbsp;               double c=fahrenheitToCelsius(value);
+
+&nbsp;               System.out.printf("%.2f℉=%.2f℃%n",value,c);
+
+&nbsp;           }else{
+
+&nbsp;               System.out.println("未知单位，请使用 C 或 F。");
+
+&nbsp;           }
+
+&nbsp;       }catch(Exception e){
+
+&nbsp;           System.out.println("输入解析失败，请按示例输入数值与单位，例如：36.6 C");
+
+&nbsp;       }finally{
+
+&nbsp;           scanner.close();
+
+&nbsp;       }
+
+&nbsp;   }
+
+}
+
+
+
diff --git a/test.txt.txt b/test.txt.txt
new file mode 100644
index 0000000..e69de29
diff --git a/w2/Java源码（2）.md b/w2/Java源码（2）.md
new file mode 100644
index 0000000..797a980
--- /dev/null
+++ b/w2/Java源码（2）.md
@@ -0,0 +1,60 @@
+**异常数据拦截与清洗流水线**
+
+public class DataCleaner {
+
+&#x20;   public static void main(String\[] args) {
+
+&#x20;       int\[] sensorData = {85, -5, 92, 0, 105, 999, 88, 76};
+
+&#x20;       int validSum = 0;
+
+&#x20;       int validCount = 0;
+
+&#x20;       for (int data:sensorData){
+
+&#x20;           if (data==999){
+
+&#x20;               System.out.println("致命错误：传感器掉线，终止处理");
+
+&#x20;               break;
+
+&#x20;           }
+
+&#x20;           if(data>=1 \&\& data<=100){
+
+&#x20;               validSum +=data;
+
+&#x20;               validCount++;
+
+&#x20;           }
+
+&#x20;           else if (data<=0||(data>10 \&\& data!=999)){
+
+&#x20;               System.out.println("警告：发现越界数据 \["+data+"]，已跳过");
+
+&#x20;               continue;
+
+&#x20;           }
+
+&#x20;       }
+
+&#x20;       if(validCount>0){
+
+&#x20;           double average=(double) validSum/validCount;
+
+&#x20;           System.out.println("有效数据的平均值"+average);
+
+&#x20;       }else{
+
+&#x20;           System.out.println("无有效数据");
+
+&#x20;       }
+
+&#x20;   }
+
+}
+
+
+
+
+