java Programming Glossary: currenttimemillis

How to transform currentTimeMillis to a readable date format?

http://stackoverflow.com/questions/10364383/how-to-transform-currenttimemillis-to-a-readable-date-format

to transform currentTimeMillis to a readable date format I want to use currentTimeMillis twice.. currentTimeMillis to a readable date format I want to use currentTimeMillis twice so I can calculate a duration but I also want to display.. and date in user readable format. I'm having trouble as currentTimeMillis is good for the caculation but I can't see a built in function..

Precision vs. accuracy of System.nanoTime()

http://stackoverflow.com/questions/11452597/precision-vs-accuracy-of-system-nanotime

except that the resolution is at least as good as that of currentTimeMillis . Differences in successive calls that span greater than approximately..

java.util.Date is using TimeZone?

http://stackoverflow.com/questions/1516213/java-util-date-is-using-timezone

different TimeZone. In one computer im printing System.currentTimeMillis and then prints the following command in both computers System.out.println.. new Date 123456 123456 stands for the number came in the currentTimeMillis in computer #1. The second print though typed hardcoded result..

strange 'out' variable, System.out.println()

http://stackoverflow.com/questions/15565993/strange-out-variable-system-out-println

PrintStream nullPrintStream throws NullPointerException if currentTimeMillis 0 return null throw new NullPointerException when we write System.out.println..

How do I measure time elapsed in Java? [duplicate]

http://stackoverflow.com/questions/1770010/how-do-i-measure-time-elapsed-in-java

you must use System.nanoTime . You cannot use System.currentTimeMillis unless you don't mind your result being wrong. The purpose of.. of nanoTime is to measure elapsed time and the purpose of currentTimeMillis is to measure wall clock time. You can't use the one for the.. what you want to use. Any timings currently underway with currentTimeMillis will be off possibly even negative. You may say this doesn't..

How do I calculate the elapsed time of an event in java?

http://stackoverflow.com/questions/238920/how-do-i-calculate-the-elapsed-time-of-an-event-in-java

share improve this question I would avoid using System.currentTimeMillis for measuring elapsed time. currentTimeMillis returns the 'wall.. using System.currentTimeMillis for measuring elapsed time. currentTimeMillis returns the 'wall clock' time which may change eg daylight savings..

Stop a stopwatch

http://stackoverflow.com/questions/2576353/stop-a-stopwatch

extends TimerTask private final double start System.currentTimeMillis public void run double curr System.currentTimeMillis System.out.println.. public void run double curr System.currentTimeMillis System.out.println curr start 1000 The timer works fine and..

Why is my System.nanoTime() broken?

http://stackoverflow.com/questions/3274892/why-is-my-system-nanotime-broken

long nanosBefore System.nanoTime long millisBefore System.currentTimeMillis Thread.sleep sleepMillis long nanosTaken System.nanoTime nanosBefore.. System.nanoTime nanosBefore long millisTaken System.currentTimeMillis millisBefore System.out.println nanosTaken nanosTaken System.out.println.. we're using it measuring elapsed time more accurately than currentTimeMillis . Does anyone know why it's returning such crazy results Is..

Java Array, Finding Duplicates

http://stackoverflow.com/questions/3951547/java-array-finding-duplicates

zipcodelist i int Math.random MAXZIP 1 long begin System.currentTimeMillis switch approach case NSQUARED tossme ^ duplicatesZero zipcodelist.. tossme ^ duplicatesTwo zipcodelist break long end System.currentTimeMillis times sizei rep end begin long avg 0 for int rep 0 rep REPS.. Wins But only by a hair... .15ms is within the error for currentTimeMillis and there are some gaping holes in my benchmark. Note that for..

Why do System.nanoTime() and System.currentTimeMillis() drift apart so rapidly?

http://stackoverflow.com/questions/5839152/why-do-system-nanotime-and-system-currenttimemillis-drift-apart-so-rapidly

do System.nanoTime and System.currentTimeMillis drift apart so rapidly For diagnostic purposes I want to be.. clock in a long running server application. Since System.currentTimeMillis is based on wall clock time and System.nanoTime is based on.. String args long start System.nanoTime long base System.currentTimeMillis start ONE_MILLION while true try Thread.sleep 1000 catch InterruptedException..

Is it possible to read from a InputStream with a timeout?

http://stackoverflow.com/questions/804951/is-it-possible-to-read-from-a-inputstream-with-a-timeout

for data and so this completes in 5s long start currentTimeMillis int readByte 1 Read data without timeout while readByte 0 readByte.. Read readByte System.out.println Complete in currentTimeMillis start ms which outputs Read 1 Read 2 Read 3 Complete in 5001ms..