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Date conversion

Discuss Date conversion in the Java Help forum on Dev Shed.
Date conversion Java Help forum discussing all Java platforms - J2ME, J2SE and J2EE - as well as relevant standards, APIs and frameworks such as Swing, Servlets, JSPs, Applets, Struts, Spring, Hibernate, ANT, EJB, and other Java-related topics.

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  #1  
Old September 15th, 2002, 10:16 PM
peter83 peter83 is offline
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Date conversion
how do i do a check to see if the string (in this case the date) user entered is in YYYY-MM-DD format. if it is not in this format, then it should convert to this format.

eg: user entered 16-09-2002, it should be converted to 2002-09-16.

however if the user entered 2002-09-16, then no conversion is needed.

pls help asap..
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  #2  
Old September 16th, 2002, 01:16 AM
bricker42 bricker42 is offline
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Use http://java.sun.com/j2se/1.4/docs/a...rmat.html#parse(java.lang.String) then spit the date out however you want.
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  #3  
Old September 16th, 2002, 01:36 AM
peter83 peter83 is offline
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i dun really understand what the website is trying to do. can you show me the codes??
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Old September 16th, 2002, 03:55 AM
bricker42 bricker42 is offline
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Code:
dateString = new SimpleDateFormat( "yyyy-MM-dd" ).format( new SimpleDateFormat.parse( "16-09-2002" ) );

You'll need to import java.text.SimpleDateFormat.
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  #5  
Old September 16th, 2002, 07:40 PM
peter83 peter83 is offline
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how come i get this error: Class java.text.SimpleDateFormat. parse not found, even though i have imported the SimpleDateFormat class???
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  #6  
Old September 16th, 2002, 11:31 PM
bricker42 bricker42 is offline
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Sorry,
Code:
new SimpleDateFormat.parse( "16-09-2002" )
should be
Code:
new SimpleDateFormat().parse( "16-09-2002" )
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