Java tutorial
import java.util.logging.ConsoleHandler; import java.util.logging.Level; import java.util.logging.LogRecord; import java.util.logging.Logger; import java.util.logging.MemoryHandler; public class Main { public static void main(String args[]) throws Exception { Logger logger = Logger.getLogger("your.logging"); ConsoleHandler handler = new ConsoleHandler(); MemoryHandler mHandler = new MemoryHandler(handler, 10, Level.ALL); logger.addHandler(mHandler); logger.setUseParentHandlers(false); LogRecord record1 = new LogRecord(Level.SEVERE, "This is SEVERE level message"); LogRecord record2 = new LogRecord(Level.WARNING, "This is WARNING level message"); logger.log(record1); logger.log(record2); } }