feat(w2): add DataCleaner.java

DataCleaner.java

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+package Homework;
+
+public class DataCleaner {
+    public static void main(String[] args) {
+        int[] sensorData = {85, -5, 92, 0, 105, 999, 88, 76};
+
+        int validSum = 0;   // 有效数据总和
+        int validCount = 0; // 有效数据个数
+
+        // 请在此处编写你的流程控制代码
+       for (int i=0;i<sensorData.length;i++){
+           if(sensorData[i]>=1&&sensorData[i]<=100){
+               validSum+=sensorData[i];
+               validCount++;
+           }else if((sensorData[i]>100||sensorData[i]<=0)&&sensorData[i]!=999){
+               System.out.println("警告：发现越界数据 [数值]，已跳过");
+               continue;
+           }else if(sensorData[i]==999){
+               System.out.println("致命错误：传感器掉线，终止处理");
+               break;
+           }
+    }
+       if (validCount>0){
+           double average=0;
+           average=(double)validSum/validCount;
+           System.out.println("有效数据平均值为："+average);
+       }else{
+           System.out.println("无有效的数据");
+       }
+}
+}

README.md

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-# java
-