Hi,

We can use the DateFormat class in following format to construct the date formatter:

DateFormat fmt = new SimpleDateFormat("yyyy-mm-dd");

Then use the format function to DateFormat to convert it to yyyy-mm-dd String format.

Here is Java example for converting String Date into yyyy-mm-dd format:

package net.roseindia;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @author Deepak Kumar More tutorials at http://www.roseindia.net
 */
/*
 * In this example we convert date to yyyy-mm-dd format
 */
public class DateToStringConversion {

    public static void main(String[] args) {
        try {
            DateFormat fmt = new SimpleDateFormat("yyyy-mm-dd");
            Date date = new java.util.Date();//Current date
            String sDate = fmt.format(date);
            System.out.println("Today is " + sDate);
        } catch (Exception e) {
            System.out.println("Exception :" + e);
        }

    }

}

If you run the program you will get following output:

Today is 2018-03-10

Check more tutorials at Java Conversion Examples.

Thanks

Hi,

Small update: Use the MM in format, MM is for month. The small (mm) is for minute and you will get wrong results. Current format to be used is:

DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");

Thanks

Hi,

Check all the date formatting options at:

• Date Format Example

Thanks

Hi,

Here is the output of the program in Eclipse IDE:

Thanks

HI,

If you want to learn Java date conversion in detail then check following tutorials:

• Java Date
• Simple Date example
• Comparing two Dates in Java
• Comparing two Dates in Java with the use of after method
• Comparing two Dates in Java with the use of before method
• Getting date by time
• Getting time in Milliseconds
• Simple date formatter example
• Example program to change Date formatting Symbols
• Example program to get all the available time zones
• Time Format Example
• TimeZone Format Example
• Second Format Example
• Minutes Format Example
• Parsing Date Example

Thanks