LogRecord setMessage() method in Java with Examples

The setMessage() method of java.util.logging.LogRecord is used to set the “raw” log message, before localization or formatting for this LogRecord object.we can also set null as raw message.

Syntax:

public void setMessage(String message)

Parameters: This method accepts message which is the raw message string.

Return: This method returns nothing.

Below programs illustrate setMessage() method:
Program 1:

// Java program to illustrate setMessage() method

import java.util.logging.Level;
import java.util.logging.LogRecord;

import java.util.logging.*;

public class GFG {

    public static void main(String[] args)
    {

        // Create LogRecord object
        LogRecord logRecord = new LogRecord(
            Level.parse("800"),
            "Hi Logger");

        System.out.println(
            "Previous Message: "
            + logRecord.getMessage());

        // set message of the LogRecord
        logRecord.setMessage("GFG Logger");

        // print result
        System.out.println(
            "New Message: "
            + logRecord.getMessage());
    }
}

Output:

Previous Message: Hi Logger
New Message: GFG Logger

Program 2:

// Java program to illustrate setMessage() method

import java.util.logging.Level;
import java.util.logging.LogRecord;

import java.util.logging.*;

public class GFG {

    public static void main(String[] args)
    {

        // Create LogRecord object
        LogRecord logRecord = new LogRecord(
            Level.INFO,
            "GFG Logger");

        System.out.println(
            "Previous Message: "
            + logRecord.getMessage());

        // set message of the LogRecord
        logRecord.setMessage(null);

        // print result
        System.out.println(
            "New Message: "
            + logRecord.getMessage());
    }
}

Output:

Previous Message: GFG Logger
New Message: null

References: https://docs.oracle.com/javase/10/docs/api/java/util/logging/LogRecord.html#setMessage(java.lang.String)