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random-time-generation

java: Random Time generator

Question How do I generate random Time values? For example: 07:02:33, 08:52:14, etc. I know how to generate random numbers but I don't know how to do this. I want to fill my database column TIME with random values. Answer1 import java.util.Random; import java.sql.Time; final Random random = new Random(); final int millisInDay = 24*60*60*1000; Time time = new Time((long)random.nextInt(millisInDay)); For your purposes this might be enough. Don't forget that some days have different lengths for which you might need to add test cases (daylight savings and leap seconds). Answer2 A java.util.Date is

2021-08-31 14:31:13    分类:技术分享    java   random   time   random-time-generation

Random Time Generator for time betweeen 7AM to 11AM [closed]

Question It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago. I am creating a test file and I need to fill it with random times between 7AM to 11AM. Repeating entries are OK as long as they aren't all the same I'm also only interested in HH:MM (no seconds) I don't know where to start. I did Google before posting and I found an interesting search result www.random.org

2021-07-10 18:56:38    分类:技术分享    c#   winforms   random-time-generation

Distinct random time generation in the fixed interval

Question I'm trying to generate a random time between 8:00 AM and 8:00 PM for each row that is selected from a data set, however, I always get the same random value for each row – I want it to be different for each row. Table schema & data: ╔══════╦════════════════╗ ║ ID ║ CREATED_DATE ║ ╠══════╬════════════════╣ ║ ID/1 ║ 26/04/2014 ║ ║ ID/2 ║ 26/04/2014 ║ ║ ID/3 ║ 26/04/2014 ║ ║ ID/4 ║ 26/04/2014 ║ ║ ID/5 ║ 26/04/2014 ║ ╚══════╩════════════════╝ Сurrent SQL statement: SELECT [ID] , MyFunction.dbo.AddWorkDays(14, [CREATED_DATE]) AS [New Date] , CONVERT(VARCHAR, DATEADD(MILLISECOND, CAST

2021-05-06 10:45:05    分类:技术分享    sql   sql-server   sql-server-2008   tsql   random-time-generation