Log4j without properties file

Log4jWithoutPropFile.java

import org.apache.log4j.*;

//below is the default conversion pattern 
PatternLayout pl = new PatternLayout("%r [%t] %p %c %x - %m%n");
Appender appender = new FileAppender(pl, "D:\\tmp\\hede.txt", false);
BasicConfigurator.configure(appender);

/*
// For direct output to console, use configure without appender
// it uses default pattern which mentioned up above
  BasicConfigurator.configure();
*/

// set logging level
Logger.getRootLogger().setLevel(Level.INFO);

// Reference
// https://www.tutorialspoint.com/log4j/log4j_patternlayout.htm
// https://gist.github.com/riversun/45b86ccf08e1b5a076652aec33545ab4