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Tag: date

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 hour, 755

(Date) may expose internal representation by storing an externally mutable object into CategoryModel.createdDate

While working on model class i face an following warning :– My model Class Description of the warning:– Returning a reference to a mutable object value stored in one of the object’s fields exposes the internal representation of the object. If instances are accessed by untrusted code, and unchecked changes to the mutable object would compromise security or other important

Convert java.time.Instant to java.sql.Timestamp without Zone offset

In the application I am developing, I need to convert java.time.Instant object to java.sql.Timestamp. When I create Instant object like: I receive something like 2017-03-13T14:28:59.970Z. And when I try to create Timestamp object like this: I receive something like 2017-03-13T16:28:59.970Z. The same result but with an additional 2 hour delay. Can someone explain why this is happening and provide me

Java Entities Dates fields and Oracle TIMESTAMP data types

In my entities classes I use to define the temporal fields as follows: In my oracle DB the columns mapped by those fields are of type TIMESTAMP. What are the implications of this configurations: Are my dates implicitily UTC dates ? Does it mean I have to be careful on handling by myself Daylight saving time issues ? Answer The

SimpleDateFormat returns wrong number of days

I need to get the number days, hours, minutes, seconds from a long value. But I am getting wrong number of days from a following code. When I pass 106988550 and “dd:HH:mm:ss” to this method, I am getting “02:05:43:08” Expected actual answer is : “01:05:43:08”. I don’t know where it is wrong and how I can achieve the actual answer.

java format particular date with T character

What is the correct form for parse this date?: 2015-05-29T00:00:00+02:00 Answer Try with Notice that MM represents months, while mm represents minutes. if you want to have 24h format use HH, hh is for 12h format XXX represents time zone in format like -08:00 to add literal like T in format you need to surround it with single quotes ‘

How to sort a list of months with years

I have a list of months with years such as: [12-2014,11-2012,5-2014,8-2012] and I have to sort them with the most recent on top (or the latest date on top) eg. [12-2014,5-2014,11-2012,8-2012] . Does anybody have any idea on how to do this in Java efficiently? EDIT: The class YearMonth is not available, I’m on Java 7 Answer Since you are

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