Logger example with java.util.logging.Logger

java.util.logging.Logger example

package org.demo.tmp;

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

import org.junit.Test;

public class LoggerTest {

	@Test
	public void test() {
		Logger logger = Logger.getLogger(this.getClass().getName()); 
		
		logger.setLevel(Level.OFF); // Nothing
		logger.setLevel(Level.SEVERE); // SEVERE
		logger.setLevel(Level.WARNING); // SEVERE + WARNING 
		logger.setLevel(Level.INFO); // SEVERE + WARNING + INFO
		logger.setLevel(Level.ALL); // SEVERE + WARNING + INFO
		
		logger.severe("aaa SEVERE");
		logger.log(Level.SEVERE, "aaa SEVERE");
		
		logger.log(Level.WARNING, "aaa WARNING");
		logger.warning("aaa WARNING");
		
		logger.log(Level.INFO, "aaa info");
		logger.info("aaa info");
		

		// CONFIG, FINE, FINER and FINEST => require a specific handler to be printed 
		logger.config("aaa config");
		logger.log(Level.CONFIG, "aaa CONFIG");

		logger.log(Level.FINE, "aaa fine");
		logger.fine("aaa fine");
		
		logger.log(Level.FINEST, "aaa FINEST");
		logger.finest("aaa FINEST");
	}

}


		// CONFIG, FINE, FINER and FINEST => require a specific handler to be printed 
		logger.config("aaa config");
		logger.log(Level.CONFIG, "aaa CONFIG");

		logger.log(Level.FINE, "aaa fine");
		logger.fine("aaa fine");
		
		logger.log(Level.FINEST, "aaa FINEST");
		logger.finest("aaa FINEST");
	}