Use Logger with simple formatter and FileHandler : Log « Language Basics « Java

1. Java
2. Language Basics
3. Log

Use Logger with simple formatter and FileHandler

     

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

public class Main {
  public static void main(String[] args) throws Exception {
    Logger logger = Logger.getLogger("MyLog");
    FileHandler fh;

    fh = new FileHandler("c:\\MyLogFile.log", true);
    logger.addHandler(fh);
    logger.setLevel(Level.ALL);
    SimpleFormatter formatter = new SimpleFormatter();
    fh.setFormatter(formatter);

    logger.log(Level.WARNING, "My first log");
  }
}

   
    
    
    
    
  

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