Java SQL Timestamp before() function with examples

Last Updated : 06 Mar, 2019

The before() function is a part of Timestamp class of Java SQL.The function returns a boolean value representing whether the Timestamp object occurs before the given Timestamp object. Function Signature:

public boolean before(Timestamp t)

Syntax:

ts1.before(ts2);

Parameters: The function accepts Timestamp object as parameter which is to be checked. Return value: The function returns boolean data type representing whether the Timestamp object occurs before the given Timestamp object. Exception: The function does not throw any exceptions Below examples illustrate the use of before() function Example 1: Create two non equal timestamps and check whether the second timestamp occurs before first timestamp or not.

Java

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

import java.sql.*;

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

        // Create two timestamp objects
        Timestamp ts1 = new Timestamp(10003);
        Timestamp ts2 = new Timestamp(10001);

        boolean b = ts2.before(ts1);

        // Check if the second timestamp occurs
        // before first timestamp
        if (b) {

            // If true print that the Second Timestamp
            // occurs before the first timestamp
            System.out.println("Second Timestamp occurs"
                               + " before first timestamp");
        }

        else {

            // If false print that the Second Timestamp
            // does not occur before the first timestamp
            System.out.println("Second Timestamp does not occur"
                               + " before first timestamp");
        }
    }
}

Output:

Second Timestamp occurs before first timestamp

Example 2: Create two equal timestamps and check whether the second timestamp occurs before the first timestamp or not

Java

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

import java.sql.*;

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

        // Create two timestamp objects
        Timestamp ts1 = new Timestamp(10000);
        Timestamp ts2 = new Timestamp(10000);

        boolean b = ts2.before(ts1);

        // Check if the second timestamp occurs
        // before first timestamp
        if (b) {

            // If true print that the Second Timestamp
            // occurs before the first timestamp
            System.out.println("Second Timestamp occurs"
                               + " before first timestamp");
        }

        else {

            // If false print that the Second Timestamp
            // does not occur before the first timestamp
            System.out.println("Second Timestamp does not"
                               + " occur before first timestamp");
        }
    }
}

Output:

Second Timestamp does not occur before first timestamp

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

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