try {
Handler handler = new FileHandler("OutFile.log");
Logger.getLogger("").addHandler(handler);
} catch (IOException e) {
Logger logger = Logger.getLogger("package.name");
StackTraceElement elements[] = e.getStackTrace();
for (int i = 0, n = elements.length; i < n; i++) {
logger.log(Level.WARNING, elements[i].getMethodName());
}
}
[Exception.getStackTrace()]
catch (Exception cause) {
StackTraceElement elements[] = cause.getStackTrace();
for (int i = 0, n = elements.length; i < n; i++) {
System.err.println(elements[i].getFileName()
+ ":" + elements[i].getLineNumber()
+ ">> "
+ elements[i].getMethodName() + "()");
}
}
[ExceptionObject.printStackTrace()]
BigInteger prime = BigInteger.valueOf(0);
for (int i = 0; i < n; i++) {
prime = prime.nextProbablePrime();
}
System.out.println(prime.intValue());/* rotation animation */
@-webkit-keyframes rotate {
from { -webkit-transform:rotate(0deg); }
to { -webkit-transform:rotate(360deg); }
}
@-moz-keyframes rotate {
from { -moz-transform:rotate(0deg); }
to { -moz-transform:rotate(360deg); }
}
@-ms-keyframes rotate {
from { -ms-transform:rotate(0deg); }
to { -ms-transform:rotate(360deg); }
}
@-o-keyframes rotate {
from { -o-transform:rotate(0deg); }
to { -o-transform:rotate(360deg); }
}
.rotating {
-webkit-transform-origin: 50% 50%;
-webkit-animation-name: rotate;
-webkit-animation-duration: 1s;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: linear;
-moz-transform-origin: 50% 50%;
-moz-animation-name: rotate;
-moz-animation-duration: 1s;
-moz-animation-iteration-count: infinite;
-moz-animation-timing-function: linear;
-ms-transform-origin: 50% 50%;
-ms-animation-name: rotate;
-ms-animation-duration: 1s;
-ms-animation-iteration-count: infinite;
-ms-animation-timing-function: linear;
-o-transform-origin: 50% 50%;
-o-animation-name: rotate;
-o-animation-duration: 1s;
-o-animation-iteration-count: infinite;
-o-animation-timing-function: linear;
}
//生年月日
LocalDate bf=LocalDate.of(1992,12,16);
LocalDate rf=LocalDate.of(2015,12,19);
Clock c=Clock.systemUTC();
Clock d=Clock.systemDefaultZone();
LocalDate n=LocalDate.now();//c or d
dump("Current Instant : "+Instant.now());
dump("Current Instant as per System UTC: "+Instant.now(c));
dump("Current Instant as per System Default Timezone : "+Instant.now(d));
dump("Birthdate -> "+bf);
dump("DoM : " +bf.getDayOfMonth()+" of "+bf.lengthOfMonth()+"-day long "+bf.getMonth());
dump("DoY : "+bf.getDayOfYear()+" of "+bf.lengthOfYear()+"-day long "+bf.getYear());
dump("Today -> "+n);
Period yet=bf.until(n);//Duration equivalent in terms of Days
//å¹´é½¢
dump("Age : -> "+yet.getYears()+" years "+yet.getMonths()+" months "+yet.getDays()+" days");
dump("Today -> "+n);
dump("Flight -> "+rf);
Period more=n.until(rf);//Try Duration for time to sleep, go home or wake up.
dump("Return : -> "+more.getYears()+" years "+more.getMonths()+" months "+more.getDays()+" days");
Current Instant : 2015-05-18T07:55:55.178Z Current Instant as per System UTC: 2015-05-18T07:55:55.192Z Current Instant as per System Default Timezone : 2015-05-18T07:55:55.192Z Birthdate -> 1992-12-16 DoM : 16 of 31-day long DECEMBER DoY : 351 of 366-day long 1992 Today -> 2015-05-18 Age : -> 22 years 5 months 2 days Today -> 2015-05-18 Flight -> 2015-12-19 Return : -> 0 years 7 months 1 days
\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b
MAC Address Regexp
^([0-9a-fA-F][0-9a-fA-F]:){5}([0-9a-fA-F][0-9a-fA-F])$
Domain Name Regexp
^([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}$
Floating Point Number Regexp
[-+]?(?:\b[0-9]+(?:\.[0-9]*)?|\.[0-9]+\b)(?:[eE][-+]?[0-9]+\b)?
Roman Number Regexp
^(?i:(?=[MDCLXVI])((M{0,3})((C[DM])|(D?C{0,3}))?((X[LC])|(L?XX{0,2})|L)?((I[VX])|(V?(II{0,2}))|V)?))$