add hashCode for corresponding equals function
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1717940 13f79535-47bb-0310-9956-ffa450edef68
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@ -189,4 +189,9 @@ public class ExcelStyleDateFormatter extends SimpleDateFormat {
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ExcelStyleDateFormatter other = (ExcelStyleDateFormatter) o;
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return dateToBeFormatted == other.dateToBeFormatted;
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}
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@Override
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public int hashCode() {
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return new Double(dateToBeFormatted).hashCode();
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}
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}
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