Java SQL Timestamp getNanos() function with examples

Last Updated : 06 Jun, 2022

The getNanos() function is a part of Timestamp class of Java SQL.The function is used to get the fractional part of the seconds value of the Timestamp Object. The function returns the object's nanos value . Function Signature:

public int getNanos()

Syntax:

ts1.getNanos();

Parameters: The function does not accept any parameter. Return value: The function returns an integer value which is the object's nanos value Exception: The function does not throw any exception Below examples illustrate the use of getNanos() function Example 1: Create a timestamp and use the getNanos() to get the fractional part of timestamp object.

Java

// Java program to demonstrate the
// use of getNanos() function

import java.sql.*;

public class solution {
    public static void main(String args[])
    {

        try {

            // Create two timestamp objects
            Timestamp ts = new Timestamp(10000);

            // Display the timestamp object
            System.out.println(&quot;Timestamp time : &quot;
                               + ts.toString());

            // Set the value of the fractional part
            // of timestamp object
            // using setNanos function
            ts.setNanos(1000000);

            // Display the timestamp object's
            // seconds' fractional part
            System.out.println(&quot;New Timestamp time : &quot;
                               + ts.toString());
            System.out.println(&quot; Fractional Part :&quot;
                               + ts.getNanos());
        }

        catch (IllegalArgumentException e) {

            // Display the error if any error has occurred
            System.err.println(e.getMessage());
        }
    }
}

Output:

Timestamp time : 1970-01-01 00:00:10.0
New Timestamp time : 1970-01-01 00:00:10.001
 Fractional Part :1000000

Example 2: Create a timestamp and use the getNanos() to get the fractional part of timestamp object and dont set any fractional value of seconds

Java

// Java program to demonstrate the
// use of getNanos() function

import java.sql.*;

public class solution {
    public static void main(String args[])
    {

        try {

            // Create two timestamp objects
            Timestamp ts = new Timestamp(10000);

            // Display the timestamp object
            System.out.println(&quot;Timestamp time : &quot;
                               + ts.toString());

            // Display the timestamp object's
            // seconds' fractional part
            System.out.println(&quot;Fractional Part : &quot;
                               + ts.getNanos());
        }

        catch (IllegalArgumentException e) {

            // Display the error if any error has occurred
            System.err.println(e.getMessage());
        }
    }
}

Output:

Timestamp time : 1970-01-01 00:00:10.0
Fractional Part : 0

Reference: https:// docs.oracle.com/javase/7/docs/api/java/sql/Timestamp.html

andrew1234

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