Skip to content
Related Articles

Related Articles

Improve Article

Instant toEpochMilli() method in Java with Examples

  • Last Updated : 17 Feb, 2021

The toEpochMilli() method of an Instant class is used to convert this instant to the number of milliseconds from the epoch of 1970-01-01T00:00:00Z to a long value. This method returns that long value.
Syntax: 
 

public long toEpochMilli()

Returns: This method returns number of milliseconds since the epoch of 1970-01-01T00:00:00Z.
Exception: This method throws ArithmeticException if numeric overflow occurs.
Below programs illustrate the Instant.toEpochMilli() method:
Program 1: 
 

Java




// Java program to demonstrate
// Instant.toEpochMilli() method
 
import java.time.*;
 
public class GFG {
    public static void main(String[] args)
    {
 
        // create a Instant object
        Instant instant
            = Instant.parse("2018-12-30T19:34:50.63Z");
 
        // get millisecond value using toEpochMilli()
        long value = instant.toEpochMilli();
 
        // print result
        System.out.println("Millisecond value: "
                           + value);
    }
}


Program 2: 
 

Java




// Java program to demonstrate
// Instant.toEpochMilli() method
 
import java.time.*;
 
public class GFG {
    public static void main(String[] args)
    {
 
        // create a Instant object
        Instant instant = Instant.now();
 
        // current Instant
        System.out.println("Current Instant: "
                           + instant);
 
        // get millisecond value using toEpochMilli()
        long value = instant.toEpochMilli();
 
        // print result
        System.out.println("Millisecond value: "
                           + value);
    }
}


References: https://docs.oracle.com/javase/10/docs/api/java/time/Instant.html#toEpochMilli()
 

Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more,  please refer Complete Interview Preparation Course.




My Personal Notes arrow_drop_up
Recommended Articles
Page :