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LogManager getLoggerNames() method in Java with Examples
  • Last Updated : 29 Oct, 2019

The getLoggerNames() method of java.util.logging.LogManager is used to get a list of known logger names. This method returns this list in the form of an Enumeration object.

Syntax:

public Enumeration getLoggerNames()

Parameters: This method does not accepts any parameter.

Return Value: This method returns list of known logger names list in the form of an Enumeration object.

Below programs illustrate getLoggerNames() method:



Program 1:




// Java program to illustrate
// LogManager getLoggerNames() method
  
import java.util.logging.*;
import java.util.*;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Create LogManager object
        LogManager logManager
            = LogManager.getLogManager();
  
        Enumeration<String> listOfNames
            = logManager.getLoggerNames();
  
        System.out.println("List of Logger Names: ");
        while (listOfNames.hasMoreElements())
            System.out.println(listOfNames.nextElement());
    }
}


Output:

List of Logger Names: 
global

Program 2:




// Java program to illustrate
// LogManager getLoggerNames() method
  
import java.util.logging.*;
import java.util.*;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Create LogManager object
        LogManager logManager
            = LogManager.getLogManager();
  
        logManager.addLogger(Logger.getLogger("GFG"));
  
        Enumeration<String> listOfNames
            = logManager.getLoggerNames();
  
        System.out.println("\nList of Logger Names: ");
        while (listOfNames.hasMoreElements())
            System.out.println(listOfNames.nextElement());
    }
}


Output:

List of Logger Names: 
GFG
global

Reference: https://docs.oracle.com/javase/9/docs/api/java/util/logging/LogManager.html#getLoggerNames–

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