[Convenient to remember !!!] How to convert from LocalDate type to character string and from character string to LocalDate type

1. Prior knowledge

-[Latest] How to build Java environment on Ubuntu

-[Even beginners can do it! ] How to create a Java environment on Windows 10 (JDK14.0.1)

-[Easy-to-understand explanation! ] How to use Java instance

-[Even beginners can do it! ] How to install Eclipse on Windows 10 (Java environment construction)

As prior knowledge, the contents of the above link are required.

2. How to convert from LocalDate type to string and from string to LocalDate type

01.png 01.png

  1. Start Eclipse and select [File (F)]-> [New (N)]-> [Java Project]. 02.png
  2. Enter LocalDateTest in the project name (P), select JavaSE-1.8 for Use JRE (V), and click the Finish (F)> button. 03.png
  3. Right-click on [src] and select [New] → [Class]. 04.png
  4. Enter Test in the name, checkpublic static void main (String [] args) (V)and click theDone (F)button.


import java.time.LocalDate;
import java.time.format.DateTimeFormatter;

public class Test {

	public static void main(String[] args) {

		//String to convert
		String date1 = "2020/07/07";

		//String to java.time.Convert to LocalDate
		LocalDate test1 = LocalDate.parse(date1, DateTimeFormatter.ofPattern("yyyy/MM/dd"));

		// java.time.Convert from LocalDate to String
		String test2 = test1.format(DateTimeFormatter.ofPattern("yyyy/MM/dd"));

		//Display conversion contents
		System.out.println(date1 + " → "  + test1);
		System.out.println(test1 + " → "  + test2);



  1. Enter the above source code in Test.java. 06.png
  2. Right-click on Test.java and select[Run] → [2 Java Application]. 05.png
  3. If it looks like the image, it is successful.

3. Related

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