/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.temporal.* ;
import java.time.format.* ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
LocalDate ld = LocalDate.of( 2012 , Month.AUGUST , 7 ) ;
 
int weekOfWeekBasedYear = ld.get( IsoFields.WEEK_OF_WEEK_BASED_YEAR ) ;
int yearOfWeekBasedYear = ld.get( IsoFields.WEEK_BASED_YEAR ) ;
int dayOfWeekNumber = ld.getDayOfWeek().getValue() ;  // 1-7 for Monday-Sunday.
 
String isoOutput = yearOfWeekBasedYear + "-W" + String.format("%02d", weekOfWeekBasedYear) + "-" + dayOfWeekNumber  ;
System.out.println( ld + " is ISO 8601 week: " + isoOutput ) ;
 
	}
}

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