Setting the Log Level of a Logger : Log Level « Log « Java Tutorial

1. Java Tutorial
2. Log
3. Log Level

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

public class Main {
  public static void main(String[] argv) throws Exception {
    // Get a logger
    Logger logger = Logger.getLogger("com.mycompany");

    // Set the level to a particular level
    logger.setLevel(Level.INFO);

    // Set the level to that of its parent
    logger.setLevel(null);

    // Turn off all logging
    logger.setLevel(Level.OFF);

    // Turn on all logging
    logger.setLevel(Level.ALL);
  }
}