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<TITLE>Comparing Dates
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<B><A HREF="../java.util/pkg.html#Dates">Dates</A></B><font color="#666666" SIZE="-2">
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<h3>
e376.
Comparing Dates</h3>
<pre>
Calendar xmas = new GregorianCalendar(<font color="#0066ff"><i>1998</i></font>, Calendar.<font color="#0066ff"><i>DECEMBER</i></font>, <font color="#0066ff"><i>25</i></font>);
Calendar newyears = new GregorianCalendar(<font color="#0066ff"><i>1999</i></font>, Calendar.<font color="#0066ff"><i>JANUARY</i></font>, <font color="#0066ff"><i>1</i></font>);
// Determine which is earlier
boolean b = xmas.after(newyears); // false
b = xmas.before(newyears); // true
// Get difference in milliseconds
long diffMillis = newyears.getTimeInMillis()-xmas.getTimeInMillis();
// Get difference in seconds
long diffSecs = diffMillis/(1000); // 604800
// Get difference in minutes
long diffMins = diffMillis/(60*1000); // 10080
// Get difference in hours
long diffHours = diffMillis/(60*60*1000); // 168
// Get difference in days
long diffDays = diffMillis/(24*60*60*1000); // 7
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Related Examples
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e373. <a class="eglink" href="GetCurDate.html?l=rel">
Getting the Current Date
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e374. <a class="eglink" href="GetDateFromCalendar.html?l=rel">
Creating a Date Object for a Particular Date
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e375. <a class="eglink" href="GetDaysInMonth.html?l=rel">
Determining the Number of Days in a Month
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e377. <a class="eglink" href="GetAge.html?l=rel">
Determining a Person's Age
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e378. <a class="eglink" href="IsLeap.html?l=rel">
Determining If a Year Is a Leap Year
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e379. <a class="eglink" href="DayOfWeek.html?l=rel">
Determining the Day-of-Week for a Particular Date
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See also:
<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Arrays">
Arrays
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Bits">
Bits
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Collections">
Collections
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Hash%20Tables">
Hash Tables
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Lists">
Lists
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Property%20Files">
Property Files
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Sets">
Sets
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Sorted%20Collections">
Sorted Collections
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Time">
Time
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<a class="eglink" href="/egs/java.util/pkg.html?l=rel#Timers">
Timers
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