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I am trying to find min of two dates.

I used MIN(date1,date2) but I am facing the following error: "Method does not exist or incorrect signature: void min(Date, Date)"

How can we find the minimum of two dates?

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2 Answers 2

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Probably best to add your own static method either into the class where you need the minimum (make it private) or a utility class (make it public). This version handles nulls:

private static Date min(Date d1, Date d2) {
    if (d1 != null && d2 != null) return d1 < d2 ? d1 : d2;
    else if (d1 != null) return d1;
    else if (d2 != null) return d2;
    else return null;
}
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You can use standard compare functions:

Boolean date1IsSmaller = false;
if (date1 < date2){
    date1IsSmaller = true;
}
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  • This can throw NullPointerException if date1 or date2 is null.
    – sfdcfox
    Jan 28, 2019 at 18:04
  • Yes, it's a snippet. Just the important bits. Jan 28, 2019 at 22:06

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