simpledateformat

问题 I am trying to get previous 12 month into an arraylist, from the given month(taken from DB). List<String> allDates = new ArrayList<String>(); sqlQuery="select max(date) from Table_Name"; maxDate="Jan-2016"; (Result from Query); To get previous 12 months from maxDate,where i use SimpleDateFormat. I want to calculate the previous 12 months from Given Month (maxDate), not from current month, i tried the following code. // Parsing maxDate to an integer (say Jan-2016 = 0, Feb-2016= 1) Date date =

问题 This question already has answers here : How to get Date in the same format as String (2 answers) Closed 3 years ago . I need to convert a simple String eg: 30.06.2017 18:00 to a Date, but the simpledateformat i set just wont apply. for some reason it gives output like this Fri Jun 30 18:00:00 UTC 2017 I know there are other questions concerning this issue , but I think iam certain that i followed all the instructions correctly, I set the format correct and the strange thing is , I used the

问题 This question already has answers here : How to get Date in the same format as String (2 answers) Closed 3 years ago . I need to convert a simple String eg: 30.06.2017 18:00 to a Date, but the simpledateformat i set just wont apply. for some reason it gives output like this Fri Jun 30 18:00:00 UTC 2017 I know there are other questions concerning this issue , but I think iam certain that i followed all the instructions correctly, I set the format correct and the strange thing is , I used the

问题 This question already has answers here : java parsing string to date (2 answers) how to parse output of new Date().toString() (4 answers) Closed 2 days ago . I have to parse the following date Fri Sep 30 18:31:00 GMT+04:00 2016 and it is not working with the following pattern: new SimpleDateFormat("EEE MMM dd HH:mm:ss z YYYY", Locale.ENGLISH); I get the following date as output: Fri Jan 01 18:31:00 GMT+04:00 2016. Could you please tell me what I am doing wrong? 回答1: It should be lower case "y

问题 This question already has answers here : How to get date from date time in java (6 answers) Why can't this SimpleDateFormat parse this date string? (4 answers) how to parse output of new Date().toString() (4 answers) Java - Unparseable date (3 answers) Closed last year . I have a date that looks like that: Sun Dec 29 00:24:09 CET 2019 I have a little utility method that parses a string date from a format to another: public String formatDate(String date, String fromFormat, String toFormat)

问题 I am trying to convert the string to Date like the following: val inputFormat = SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss", Locale.getDefault()) val s = "Mon, 14 Oct 2019 07:10:28" val time = inputFormat.parse(s) Log.d("HttpTools", "time server:$time") But it show the error java.text.ParseException: Unparseable date: "Mon, 14 Oct 2019 07:10:28" Did I missing something ? Thanks in advance. 回答1: Use this format: EEE, dd MMM yyyy hh:mm:ss 回答2: The format is wrong. According to the

问题 I understand that in Java, it is possible to use a ScheduledExecutorService to perform a specific task after a certain delay. This post shows how to execute the task at a specific date, but not with a SimpleDateFormat . For example, I have a format initialized like below: dateFormatter = new SimpleDateFormat("MM-dd-yyyy hh:mm aa"); Additionally, I want to execute a particular task declared under an else if statement in an ActionListener , such as below: foo.addActionListener(e -> { if

问题 I need to parse a date string with timezone to Date object. The input date string pattern is: "MM/dd/yyyy hh:mm a z" (eg: 04/30/2018 06:00 PM IST). I have used below given code. But it returns incorrect date as output. new SimpleDateFormat("MM/dd/yyyy hh:mm a z").parse("04/30/2018 06:00 PM IST") Current Output: "Mon Apr 30 09:00:00 PDT 2018" . Expected Output: "Mon Apr 30 05:30:00 PDT 2018 . 回答1: That's because timezone's abbreviations such as IST are ambiguous. IST is used in India, Israel

问题 I need to parse a date string with timezone to Date object. The input date string pattern is: "MM/dd/yyyy hh:mm a z" (eg: 04/30/2018 06:00 PM IST). I have used below given code. But it returns incorrect date as output. new SimpleDateFormat("MM/dd/yyyy hh:mm a z").parse("04/30/2018 06:00 PM IST") Current Output: "Mon Apr 30 09:00:00 PDT 2018" . Expected Output: "Mon Apr 30 05:30:00 PDT 2018 . 回答1: That's because timezone's abbreviations such as IST are ambiguous. IST is used in India, Israel

问题 I need to parse a date string with timezone to Date object. The input date string pattern is: "MM/dd/yyyy hh:mm a z" (eg: 04/30/2018 06:00 PM IST). I have used below given code. But it returns incorrect date as output. new SimpleDateFormat("MM/dd/yyyy hh:mm a z").parse("04/30/2018 06:00 PM IST") Current Output: "Mon Apr 30 09:00:00 PDT 2018" . Expected Output: "Mon Apr 30 05:30:00 PDT 2018 . 回答1: That's because timezone's abbreviations such as IST are ambiguous. IST is used in India, Israel