Java.lang.System.currentTimeMillis() Method

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Description

The java.lang.System.currentTimeMillis() method returns the current time in milliseconds.The unit of time of the return value is a millisecond, the granularity of the value depends on the underlying operating system and may be larger.

For example, many operating systems measure time in units of tens of milliseconds.

Declaration

Following is the declaration for java.lang.System.currentTimeMillis() method

public static long currentTimeMillis()

Parameters

NA

Return Value

This method returns the difference, measured in milliseconds, between the current time and midnight, January 1, 1970 UTC(coordinated universal time).

Exception

NA

Example

The following example shows the usage of java.lang.System.currentTimeMillis() method.

package com.tutorialspoint;

import java.lang.*;

public class SystemDemo {

   public static void main(String[] args) {

      // returns the current time in milliseconds
      System.out.print("Current Time in milliseconds = ");
      System.out.println(System.currentTimeMillis());
   }
} 

Let us compile and run the above program, this will produce the following result −

Current Time in milliseconds = 1349333576093