Why does simpledateformat throw an illegal argument exception at runtime?
SimpleDateFormat throws java.lang.IllegalArgumentException at runtime while parsing the date format. Follow the link below to get deep understanding of IllegalArgumentException. In this example, the target format throws IllegalArgumentException due to the use of illegal pattern characters such as Z and T.
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When does java.lang.illegalargumentexception occur?
When closing files you have given as an argument a method to read that file. That means the argument is invalid. When a method needs a non-empty string as a parameter but a null string is passed. This way, when invalid arguments are supplied, an illegal argument exception will be raised.
How to format a date object in Java?
SimpleDateFormat in can be used to format a date object. First, you need to parse your string into a data object using the format in the SimpleDateFormat you declared. After that you can send it using a second SimpleDataFromat to whatever string you want.
How to throw java.lang.illegalargumentexception at runtime?
SimpleDateFormat throws java.lang.IllegalArgumentException at runtime while parsing the date format. Follow the link below to get deep understanding of IllegalArgumentException. In this example, the target format throws IllegalArgumentException due to the use of an illegal pattern character such as Z and T. } catch (ParseException ex) {
What does simple date formatting do in Java?
SimpleDateFormatis a concrete class for formatting and parsing dates in a locale-sensitive manner. It allows formatting (date → text), parsing (text → date) and normalizing. SimpleDateFormat allows you to start by choosing any user-defined pattern for the date and time format.
How to format Char characters in date format?
To solve such problems for using characters other than char format in date format, always use ‘Z’ or ‘T’ (with single quotes) as below. Follow the link to see the full list of format characters and date formatting.