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Date toInstant() Method in Java with Examples

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The toInstant() method of Date class in Java is used to convert a Date object to an Instant object. An Instant is created during the conversion which is used to represent the same point on the timeline as this Date.

Syntax:

public Instant toInstant()

Parameters: The method does not take any parameters.

Return Value: The method returns an Instant representing the same point on the timeline as this Date.

Below programs illustrate the use of toInstant() method in Java:
Example 1:




// Java code to demonstrate
// toInstant() method of Date class
  
import java.util.Date;
import java.util.Calendar;
import java.time.Instant;
  
public class GfG {
    public static void main(String args[])
    {
        // Creating a Calendar object
        Calendar c1 = Calendar.getInstance();
  
        // Set Month
        // MONTH starts with 0 i.e. ( 0 - Jan)
        c1.set(Calendar.MONTH, 00);
  
        // Set Date
        c1.set(Calendar.DATE, 30);
  
        // Set Year
        c1.set(Calendar.YEAR, 2019);
  
        // Creating a date object
        // with specified time.
        Date dateOne = c1.getTime();
  
        Instant inst = dateOne.toInstant();
  
        System.out.println(
            "Original Date: "
            + dateOne.toString());
        System.out.println(
            "Instant: " + inst);
    }
}


Output:

Original Date: Wed Jan 30 06:01:46 UTC 2019
Instant: 2019-01-30T06:01:46.730Z

Example 2:




// Java code to demonstrate
// clone() method of Date class
  
import java.util.Date;
import java.util.Calendar;
import java.time.Instant;
  
public class GfG {
    public static void main(String args[])
    {
        // Creating a Calendar object
        Calendar c1 = Calendar.getInstance();
  
        // Set Month
        // MONTH starts with 0 i.e. ( 0 - Jan)
        c1.set(Calendar.MONTH, 06);
  
        // Set Date
        c1.set(Calendar.DATE, 12);
  
        // Set Year
        c1.set(Calendar.YEAR, 1996);
  
        // Creating a date object
        // with specified time.
        Date dateOne = c1.getTime();
  
        Instant inst = dateOne.toInstant();
  
        System.out.println(
            "Original Date: "
            + dateOne.toString());
        System.out.println(
            "Instant: " + inst);
    }
}


Output:

Original Date: Fri Jul 12 06:01:49 UTC 1996
Instant: 1996-07-12T06:01:49.766Z

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/Date.html#toInstant–



Last Updated : 26 Mar, 2019
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