Java Logging Example : How To Create Simple Logging

Intro

This example will demonstrates the basic usage simple logging in the Java program.

Example

package com.freesamplecode.java.logging;

import java.util.logging.Level;
import java.util.logging.Logger;

public class CreateSimpleLoggingDemo {
 public static void main(String[] args){
  Logger logger = Logger.getLogger(CreateSimpleLoggingDemo.class.getName());
  
  logger.log(Level.INFO, "This is INFO level message");
  logger.log(Level.SEVERE, "This is SEVERE level message");
  logger.log(Level.WARNING, "This is WARNING level message");
  logger.log(Level.FINE, "This is FINE level message");
 }
}

Output

Mar 12, 2016 6:46:04 AM com.freesamplecode.java.logging.CreateSimpleLoggingDemo main
INFO: This is INFO level message
Mar 12, 2016 6:46:07 AM com.freesamplecode.java.logging.CreateSimpleLoggingDemo main
SEVERE: This is SEVERE level message
Mar 12, 2016 6:46:07 AM com.freesamplecode.java.logging.CreateSimpleLoggingDemo main
WARNING: This is WARNING level message

Screenshoot

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