Day of the week: Difference between revisions
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'''In what years between 2008 and 2099 will the 25th of December be a Sunday?''' |
'''In what years between 2008 and 2099 will the 25th of December be a Sunday?''' |
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Using any standard date handling libraries of your programming language; compare the dates calculated with the output of other languages to discover any anomalies in the handling of dates which may be due to, for example, overflow in types used to represent dates/times similar to [[ |
Using any standard date handling libraries of your programming language; compare the dates calculated with the output of other languages to discover any anomalies in the handling of dates which may be due to, for example, overflow in types used to represent dates/times similar to [[yp:Y2k#See_also y2k]] problems. |
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=={{header|Java}}== |
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<java>import java.util.Calendar; |
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import java.util.Date; |
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import java.util.GregorianCalendar; |
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public class Blah { |
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public static void main(String[] args) { |
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for(int i = 2008;i<=2099;i++){ |
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GregorianCalendar cal = new GregorianCalendar(i, Calendar.DECEMBER, |
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25); |
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if((cal.get(Calendar.DAY_OF_WEEK))==Calendar.SUNDAY){ |
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System.out.println(new Date(cal.getTimeInMillis())); |
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} |
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} |
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} |
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}</java> |
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Output: |
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<pre>Sun Dec 25 00:00:00 CST 2011 |
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Sun Dec 25 00:00:00 CST 2016 |
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Sun Dec 25 00:00:00 CST 2022 |
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Sun Dec 25 00:00:00 CST 2033 |
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Sun Dec 25 00:00:00 CST 2039 |
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Sun Dec 25 00:00:00 CST 2044 |
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Sun Dec 25 00:00:00 CST 2050 |
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Sun Dec 25 00:00:00 CST 2061 |
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Sun Dec 25 00:00:00 CST 2067 |
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Sun Dec 25 00:00:00 CST 2072 |
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Sun Dec 25 00:00:00 CST 2078 |
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Sun Dec 25 00:00:00 CST 2089 |
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Sun Dec 25 00:00:00 CST 2095</pre> |
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=={{header|UNIX Shell}}== |
=={{header|UNIX Shell}}== |
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