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Java SQL Timestamp before() function with examples

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  • Last Updated : 06 Mar, 2019
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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 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 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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