I need to parse Strings to LocalDate using DateTimeFormatter. There are 2 different cases, Strings of pattern dMMyy or ddMMyy (20320, 020320, 120320) and Strings of pattern ddMMyyyy or dMMyyyy (2032020, 02032020, 12032020). For the first case i can just use DateTimeFormatter.ofPattern(“dMMyy”) whi…
Tag: time
Java – ZonedDateTime does not correctly convert to Date object?
I have the following Java code: The Issue I am having is that convertedDateis not correct in comparison to the zonedDateTime object. For Example when I have a zonedDateTime object of: with zone: The code above converts this to: What I would be expecting here is As the Africa/Abidjan timezone is 2 hours ahead …
Is there a way to calculate the time required to complete every completableFuture?
Before I jump into the specifics of the question, I want to give the context of the problem. Basically, my code looks like Now what i want to do is run doSomething() as a completableFuture and get the responseTime as mentioned above. But since doing something like this would be totally incorrect — since…
Read a time from file in java [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed last year. Improve this question I am doing a work for the university and I have to read many lines from file a with that forma…
Is `System.currentTimeMillis()` correct across multiple processes?
We have a situation where a master process writes to a log. It then spawns multiple worker processes which write to their own logs. (I wanted the workers to log through the master, but there was resistance to this idea for some reason.) What I want to know is, can I trust that the timestamps that end up in th…
Date parsing in Java using SimpleDateFormat
I want to parse a date in this format: “Wed Aug 26 2020 11:26:46 GMT+0200” into a date. But I don’t know how to do it. I tried this: I am getting this error: Unparseable date: “Wed Aug 26 2020 11:26:46 GMT+0200”. Is my date format wrong? And if so could somebody please point me i…
How to parse time in any format with LocalTime.parse?
I am having trouble using java’s LocalTime to parse a string with hours, minutes, and seconds. LocalTime t = LocalTime.parse(“8:30:17”); // Simplification This throws the following exception: …
Time difference in AM/PM in Java
I am trying to calculate the time difference in java by input time format in 12 hours it works well when i input start time 11:58:10 pm and end time 12:02:15 am. But as i enter 12:00:00 am and 12:00:00 pm it give difference 0 minutes. don’t know why. Below is my code please let me know where i am
How to convert mm/dd/yy string to “Monday 7th Jan”
I have a database file with mm/dd/yy values for events, and I want to display the date as something similar to “Day(word), day(number), month(word)”. 01/07/19 into Monday 4th Jan or Monday 4 Jan or something similar. Answer You can use SimpleDateFormat to convert the string to date and then conver…
Issue Converting seconds to HH:MM:SS java
I have a long variable which represents the downtime of an application in seconds. I want to display the downtime as HH:mm:ss When passing the long variable to the Date I multiplied it 1000 to get the millisecond value. The newD variable evaluates to Thu Jan 01 01:12:35 GMT 1970 The value of newD is off by 1 …