Five weekends: Difference between revisions
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{{Task/realazthat |
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=={{header|Java}}== |
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}} |
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<lang java>import java.util.Calendar; |
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import java.util.GregorianCalendar; |
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public class FiveFSS { |
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//dreizig tage habt september... |
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private static int[] month31 = {Calendar.JANUARY, Calendar.MARCH, Calendar.MAY, |
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Calendar.JULY, Calendar.AUGUST, Calendar.OCTOBER, Calendar.DECEMBER}; |
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public static void main(String[] args){ |
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for(int year = 1900; year <= 2100; year++){ |
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for(int month:month31){ |
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Calendar date = new GregorianCalendar(year, month, 1); |
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if(date.get(Calendar.DAY_OF_WEEK) == Calendar.FRIDAY){ |
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//months are 0-indexed in Calendar |
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System.out.println((date.get(Calendar.MONTH) + 1) + "-" + year); |
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} |
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} |
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} |
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} |
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}</lang> |
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Output (middle results cut out): |
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<pre>3-1901 |
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8-1902 |
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5-1903 |
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1-1904 |
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7-1904 |
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12-1905 |
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3-1907 |
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5-1908 |
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1-1909 |
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10-1909 |
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7-1910 |
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... |
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12-2090 |
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8-2092 |
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5-2093 |
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1-2094 |
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10-2094 |
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7-2095 |
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3-2097 |
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8-2098 |
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5-2099 |
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1-2100 |
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10-2100</pre> |
Revision as of 22:23, 22 October 2010
![Task](http://static.miraheze.org/rosettacodewiki/thumb/b/ba/Rcode-button-task-crushed.png/64px-Rcode-button-task-crushed.png)
You are encouraged to solve this task according to the task description, using any language you may know.
October of 2010 had five Fridays, five Saturdays, and Five Sundays. Write a program to show all months that have this same characteristic from the year 1900 through 2100 (Gregorian calendar).
Java
<lang java>import java.util.Calendar; import java.util.GregorianCalendar;
public class FiveFSS {
//dreizig tage habt september... private static int[] month31 = {Calendar.JANUARY, Calendar.MARCH, Calendar.MAY, Calendar.JULY, Calendar.AUGUST, Calendar.OCTOBER, Calendar.DECEMBER}; public static void main(String[] args){ for(int year = 1900; year <= 2100; year++){ for(int month:month31){ Calendar date = new GregorianCalendar(year, month, 1); if(date.get(Calendar.DAY_OF_WEEK) == Calendar.FRIDAY){ //months are 0-indexed in Calendar System.out.println((date.get(Calendar.MONTH) + 1) + "-" + year); } } } }
}</lang> Output (middle results cut out):
3-1901 8-1902 5-1903 1-1904 7-1904 12-1905 3-1907 5-1908 1-1909 10-1909 7-1910 ... 12-2090 8-2092 5-2093 1-2094 10-2094 7-2095 3-2097 8-2098 5-2099 1-2100 10-2100