The toNanos() method of TimeUnit Class is used to get the time represented by the TimeUnit object, as the number of NanoSeconds, since midnight UTC on the 1st January 1970.
Syntax:
public long toNanos(long duration)
Parameters: This method accepts a mandatory parameter duration which is the duration in milliSeconds.
Return Value: This method returns the converted duration as NanoSeconds.
Below program illustrate the implementation of TimeUnit toNanos() method:
Program 1:
Java
// Java program to demonstrate// toNanos() method of TimeUnit Classimport java.util.concurrent.*;import java.util.Date;class GFG { public static void main(String args[]) { // Get current time in milliseconds long timeInMilliSec = new Date().getTime(); // Create a TimeUnit object TimeUnit time = TimeUnit.MILLISECONDS; // Convert milliseconds to NanoSeconds // using toNanos() method System.out.println("Time " + timeInMilliSec + " milliSeconds in NanoSeconds = " + time.toNanos(timeInMilliSec)); }} |
Output:
Time 1539585501608 milliSeconds in NanoSeconds = 1539585501608000000
Program 2:
Java
// Java program to demonstrate// toNanos() method of TimeUnit Classimport java.util.concurrent.*;import java.util.Calendar;class GFG { public static void main(String args[]) { // Get current time in milliseconds long timeInMilliSec = Calendar .getInstance() .getTimeInMillis(); // Create a TimeUnit object TimeUnit time = TimeUnit.MILLISECONDS; // Convert milliseconds to NanoSeconds // using toNanos() method System.out.println("Time " + timeInMilliSec + " milliSeconds in NanoSeconds = " + time.toNanos(timeInMilliSec)); }} |
Output:
Time 1539585503771 milliSeconds in NanoSeconds = 1539585503771000000
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