static field should be accessed in a static way

[ireallyneedtoknow2007]

Hi
I need to get the current time + 15 minutes for a given time zone.

Question: the c.get(...) show warnings such as
"The static field Calendar.HOUR_OF_DAY should be accessed in a static
way"

how do I avoid these warnings? thanks

public String addMinutes(String tz)
{
if (tz.equalsIgnoreCase("E"))tz="US/Eastern";
else if (tz.equalsIgnoreCase("C")) tz="US/Central";
else if (tz.equalsIgnoreCase("M")) tz="US/Mountain";
else if (tz.equalsIgnoreCase("P")) tz="US/Pacific";
else if (tz.equalsIgnoreCase("A")) tz="US/Alaska";
else if (tz.equalsIgnoreCase("H")) tz="US/Hawaii";
DecimalFormat f=new DecimalFormat("00");
Calendar c = Calendar.getInstance(TimeZone.getTimeZone(tz));
c.set
(
Calendar.getInstance(TimeZone.getTimeZone(tz)).get(Calendar.YEAR),
Calendar.getInstance(TimeZone.getTimeZone(tz)).get(Calendar.MONTH)
+1 ,

Calendar.getInstance(TimeZone.getTimeZone(tz)).get(Calendar.DAY_OF_MONTH),

Calendar.getInstance(TimeZone.getTimeZone(tz)).get(Calendar.HOUR_OF_DAY),
Calendar.getInstance(TimeZone.getTimeZone(tz)).get(Calendar.MINUTE)
);
c.add(Calendar.MINUTE,15 );
// warnings appear below.....
String t=f.format(c.get(c.YEAR)) +
f.format(c.get(c.MONTH)) +
f.format(c.get(c.DAY_OF_MONTH)) +
f.format(c.get(c.HOUR_OF_DAY)) +
f.format(c.MINUTE);
return t;
}

 

[Chase Preuninger]

then ccess it in a static way.

//non-static
MyObject o = new MyObject(...);
o.somethingStatic;

//proper static way
MyObject.somethingStatic;

 

[Roedy Green]

"The static field Calendar.HOUR_OF_DAY should be accessed in a static
way"

see http://mindprod.com/jgloss/compileerrormessages.html#STATICFIELD

 

[Hendrik Maryns]

(e-mail address removed) schreef:

Hi
I need to get the current time + 15 minutes for a given time zone.

Question: the c.get(...) show warnings such as
"The static field Calendar.HOUR_OF_DAY should be accessed in a static
way"

It’s not c.get() which is the problem, but that which is inside of it.
In the lines above, you do it right: c.get(Calendar.YEAR)

Calendar.getInstance(TimeZone.getTimeZone(tz)).get(Calendar.YEAR), Good.
String t=f.format(c.get(c.YEAR)) +

Bad.

HTH, H.
--
Hendrik Maryns
http://tcl.sfs.uni-tuebingen.de/~hendrik/
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