java - 2.2 and 4.1.2 differences in SimpleDateFormat? -

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i have code:

public static string week_day_short = "c";  public static string getweekday(int day) {     gregoriancalendar calendar = new gregoriancalendar();      calendar.set(calendar.day_of_week, day + 2);      dateformat formatter = new simpledateformat(week_day_short + ", " + date);     return formatter.format(calendar.gettime()); }

when run method on 4.1.2 okay , outputs mo;di;mi;... when run on 2.2 following error:

java.lang.illegalargumentexception: unknown pattern character - 'c'         @ java.text.simpledateformat.validateformat(simpledateformat.java:379)         @ java.text.simpledateformat.validatepattern(simpledateformat.java:428)         @ java.text.simpledateformat.<init>(simpledateformat.java:499)         @ java.text.simpledateformat.<init>(simpledateformat.java:363)         @ de.mayerhofersimon.vertretungsplan.utils.datehelper.getweekday(datehelper.java:54)

the same when try "cc" short dayname or "cccc" long dayname.

are there differences in simpledateformat class between 2.2 , 4.1.2 ? , how can fix this?

try using "eeee" dayname, , "eee" short dayname


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