优化代码。
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@ -4,12 +4,12 @@ import cn.hutool.core.date.DateUnit;
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import cn.hutool.core.date.DateUtil;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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public class FlushDataStatusList {
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private static final Map<String, Date> MAP = new HashMap<>();
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private static final Map<String, Date> MAP = new ConcurrentHashMap<>();
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public static void add(String id) {
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MAP.put(id, new Date());
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