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35 lines
1.2 KiB
35 lines
1.2 KiB
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 x : sensorData) {
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// 致命错误:遇到999,终止处理
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if (x == 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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// 正常范围:1~100之间
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if (x >= 1 && x <= 100) {
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validSum += x;
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validCount++;
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}
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// 无效数据:0/负数/大于100且不是999
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else if (x <= 0 || (x > 100 && x != 999)) {
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System.out.println("警告:发现越界数据 " + x + ",已跳过");
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continue;
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}
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}
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// 最终输出
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if (validCount > 0) {
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// 注意:将int转为double避免整数除法陷阱
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double avg = (double) validSum / validCount;
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System.out.println("有效数据平均值:" + avg);
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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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