[Java] log4j, add appender in source code

PatternLayout patternLayout = new PatternLayout("[%d{yyyy-MM-dd HH:mm:ss}] [%-5p] %m%n");

ConsoleAppender consoleAppender = new ConsoleAppender(patternLayout);

RollingFileAppender rollFileAppender = new RollingFileAppender(patternLayout, "log/rolling.log");

rollFileAppender.setAppend(true);

rollFileAppender.setMaxFileSize("2MB");

rollFileAppender.setMaxBackupIndex(10);

DailyRollingFileAppender dailyRollingFileAppender = new DailyRollingFileAppender(patternLayout, "log/dailyRolling.log", ".yyyy-MM-dd");

dailyRollingFileAppender.setAppend(true);

Logger logger = Logger.getLogger(getClass());

logger.addAppender(consoleAppender);

logger.addAppender(rollFileAppender);

logger.addAppender(dailyRollingFileAppender);

logger.setAdditivity(false);

logger.setLevel(Level.ALL);

for (int i = 0; i < 1000000; i++) {

logger.debug(i + ". " + "TEST");

}