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How can I transform a time value into YYYY-MM-DD format in Java?
long lastmodified = file.lastModified();
String lasmod = /*TODO: Transform it to this format YYYY-MM-DD*/
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In data processing, the year, month and day information are usually written as yyyymmdd, where the first four digits are Year, the fifth and sixth digits are Month, and the last two digits are Day. For example, 19710428 means April 8, 1971, and 20000101 means January 1, 2000.
Something like:
Date lm = new Date(lastmodified);
String lasmod = new SimpleDateFormat("yyyy-MM-dd").format(lm);
See the javadoc for SimpleDateFormat.
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final Date modDate = new Date(lastmodified);
final SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
final String lasmod = f.format(modDate);
SimpleDateFormat
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