Java LocalDate Format

By Arvind Rai, May 09, 2019
Java 8
We can format LocalDate using format() method of LocalDate or DateTimeFormatter resulting into string. LocalDate introduced in Java 8, represents a date in the format yyyy-MM-dd such as 2019-05-08. It does not store time or time-zone. We can format LocalDate into desired format using DateTimeFormatter. To format a LocalDate we can use following methods.
LocalDate.format(): Formats this date using the specified formatter. Output will be string. 
LocalDate localDate = LocalDate.parse("2019-05-08");
String date = localDate.format(DateTimeFormatter.ofPattern("MMM dd, yyyy"));
System.out.println(date); //May 08, 2019
DateTimeFormatter.format(): Formats a date-time object using this formatter. Output will be string. 
LocalDate localDate = LocalDate.parse("2019-05-08");
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("MMM dd, yyyy");
String date = dtf.format(localDate);
System.out.println(date); //May 08, 2019

Format LocalDate with LocalDate.format()

Example-1: Here we will instantiate DateTimeFormatter using its ofPattern method and then we will pass this formatter instance into format() method of LocalDate.
LDFormatDemoOne.java 
package com.concretepage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
public class LDFormatDemoOne {
  public static void main(String[] args) {
	LocalDate localDate = LocalDate.parse("2019-05-08");
	
	String date = localDate.format(DateTimeFormatter.ofPattern("MMM dd, yyyy"));
	System.out.println(date); //May 08, 2019
	
	date = localDate.format(DateTimeFormatter.ofPattern("yyyy.MM.dd"));
	System.out.println(date); //2019.05.08
	
	date = localDate.format(DateTimeFormatter.ofPattern("EEE, MMM d, ''yy"));
	System.out.println(date); //Wed, May 8, '19
	
	date = localDate.format(DateTimeFormatter.ofPattern("yyyy-MMM-dd(E)"));
	System.out.println(date); //2019-May-08(Wed)		
	
	date = localDate.format(DateTimeFormatter.ofPattern("yyyyy.MMMMM.dd GGG"));
	System.out.println(date); //02019.M.08 AD
	
	date = localDate.format(DateTimeFormatter.ofPattern("EEE, d MMM yyyy"));
	System.out.println(date); //Wed, 8 May 2019
	
	date = localDate.format(DateTimeFormatter.ofPattern("MMM, yyyy"));
	System.out.println(date); //May, 2019
  }
}
Output 
May 08, 2019
2019.05.08
Wed, May 8, '19
2019-May-08(Wed)
02019.M.08 AD
Wed, 8 May 2019
May, 2019
Example-2: Here we will instantiate DateTimeFormatter using its ofLocalizedDate method and then we will pass this formatter instance into format() method of LocalDate.
LDFormatDemoTwo.java 
package com.concretepage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
import java.time.format.ResolverStyle;
import java.util.Locale;
public class LDFormatDemoTwo {
  public static void main(String[] args) {
	LocalDate localDate = LocalDate.parse("2019-05-08");
	
	String date = localDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL));
	System.out.println(date); // Wednesday, May 8, 2019
	
	date = localDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL).localizedBy(Locale.UK));
	System.out.println(date); // Wednesday, 8 May 2019
	
	date = localDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL).withResolverStyle(ResolverStyle.SMART));
	System.out.println(date); // Wednesday, May 8, 2019	
	
	date = localDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG));
	System.out.println(date); // May 8, 2019
	
	date = localDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM));
	System.out.println(date); // May 8, 2019

	date = localDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT));
	System.out.println(date); // 5/8/19
  }
}
Output 
Wednesday, May 8, 2019
Wednesday, 8 May 2019
Wednesday, May 8, 2019
May 8, 2019
May 8, 2019
5/8/19
Example-3: Here we will instantiate DateTimeFormatter using its predefined format and then we will pass this formatter instance into format() method of LocalDate.
LDFormatDemoThree.java 
package com.concretepage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
public class LDFormatDemoThree {
  public static void main(String[] args) {
	LocalDate localDate = LocalDate.parse("2019-05-08");
	
	String date = localDate.format(DateTimeFormatter.BASIC_ISO_DATE);
	System.out.println(date); // 20190508

	date = localDate.format(DateTimeFormatter.ISO_DATE);
	System.out.println(date); // 2019-05-08
	
	date = localDate.format(DateTimeFormatter.ISO_LOCAL_DATE);
	System.out.println(date); // 2019-05-08	
	
	date = localDate.format(DateTimeFormatter.ISO_ORDINAL_DATE);
	System.out.println(date); // 2019-128	
	
	date = localDate.format(DateTimeFormatter.ISO_WEEK_DATE);
	System.out.println(date); // 2019-W19-3		
  }
}
Output 
20190508
2019-05-08
2019-05-08
2019-128
2019-W19-3

Format LocalDate with DateTimeFormatter.format()

Example-1: Here we will instantiate DateTimeFormatter using its ofPattern method and then we will pass LocalDate instance to format() method of DateTimeFormatter.
DTFFormatDemoOne.java 
package com.concretepage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
public class DTFFormatDemoOne {
  public static void main(String[] args) {
	LocalDate localDate = LocalDate.parse("2019-05-08");
	
	DateTimeFormatter dtf = DateTimeFormatter.ofPattern("MMM dd, yyyy");
	String date = dtf.format(localDate);
	System.out.println(date); //May 08, 2019
	
	dtf = DateTimeFormatter.ofPattern("yyyy.MM.dd");
	date = dtf.format(localDate);
	System.out.println(date); //2019.05.08
	
	dtf = DateTimeFormatter.ofPattern("EEE, MMM d, ''yy");
	date = dtf.format(localDate);
	System.out.println(date); //Wed, May 8, '19
	
	dtf = DateTimeFormatter.ofPattern("yyyy-MMM-dd(E)");
	date = dtf.format(localDate);
	System.out.println(date); //2019-May-08(Wed)		
	
	dtf = DateTimeFormatter.ofPattern("yyyyy.MMMMM.dd GGG");
	date = dtf.format(localDate);
	System.out.println(date); //02019.M.08 AD
	
	dtf = DateTimeFormatter.ofPattern("EEE, d MMM yyyy");
	date = dtf.format(localDate);
	System.out.println(date); //Wed, 8 May 2019
	
	dtf = DateTimeFormatter.ofPattern("MMM, yyyy");
	date = dtf.format(localDate);
	System.out.println(date); //May, 2019
  }
}
Output 
May 08, 2019
2019.05.08
Wed, May 8, '19
2019-May-08(Wed)
02019.M.08 AD
Wed, 8 May 2019
May, 2019
Example-2: Here we will instantiate DateTimeFormatter using its ofLocalizedDate method and then we will pass LocalDate instance to format() method of DateTimeFormatter.
DTFFormatDemoTwo.java 
package com.concretepage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
import java.time.format.ResolverStyle;
import java.util.Locale;
public class DTFFormatDemoTwo {
  public static void main(String[] args) {
	LocalDate localDate = LocalDate.parse("2019-05-08");
	
	DateTimeFormatter dtf = DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL);
	String date = dtf.format(localDate);
	System.out.println(date); // Wednesday, May 8, 2019
	
	dtf = DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL).localizedBy(Locale.UK);
	date = dtf.format(localDate);
	System.out.println(date); // Wednesday, 8 May 2019
	
	dtf = DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL).withResolverStyle(ResolverStyle.SMART);
	date = dtf.format(localDate);
	System.out.println(date); // Wednesday, May 8, 2019	
	
	dtf = DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG);
	date = dtf.format(localDate);
	System.out.println(date); // May 8, 2019
	
	dtf = DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM);
	date = dtf.format(localDate);
	System.out.println(date); // May 8, 2019

	dtf = DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT);
	date = dtf.format(localDate);
	System.out.println(date); // 5/8/19
  }
}
Output 
Wednesday, May 8, 2019
Wednesday, 8 May 2019
Wednesday, May 8, 2019
May 8, 2019
May 8, 2019
5/8/19
Example-3: Here we will instantiate DateTimeFormatter using its its predefined format and then we will pass LocalDate instance to format() method of DateTimeFormatter.
DTFFormatDemoThree.java 
package com.concretepage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
public class DTFFormatDemoThree {
  public static void main(String[] args) {
	LocalDate localDate = LocalDate.parse("2019-05-08");
	
	String date = DateTimeFormatter.BASIC_ISO_DATE.format(localDate);
	System.out.println(date); // 20190508

	date = DateTimeFormatter.ISO_DATE.format(localDate);
	System.out.println(date); // 2019-05-08
	
	date = DateTimeFormatter.ISO_LOCAL_DATE.format(localDate);
	System.out.println(date); // 2019-05-08	
	
	date = DateTimeFormatter.ISO_ORDINAL_DATE.format(localDate);
	System.out.println(date); // 2019-128	
	
	date = DateTimeFormatter.ISO_WEEK_DATE.format(localDate);
	System.out.println(date); // 2019-W19-3		
  }
}
Output 
20190508
2019-05-08
2019-05-08
2019-128
2019-W19-3

References

Java LocalDate
Java DateTimeFormatter
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ARVIND RAI
ARVIND RAI
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