import org.apache.log4j.xml.DOMConfigurator;
import org.apache.log4j.Category;

public class Log4JTest {

  public static final Category cat = Category.getInstance(Log4JTest.class);

  public Log4JTest() {
    DOMConfigurator.configureAndWatch("log4j.xml");
    method1();
  }

  public void method1() {
    method2();
  }

  public void method2() {
    method3();
  }

  public void method3() {
    method4();
  }

  public void method4() {
    Exception e = new Exception("Test Exception");
    System.out.println("===============================Output with Log4J===============================");
    cat.info(e.toString(), e);
    System.out.println("==========================Output with e.printStacktrace========================");
    e.printStackTrace();
  }

  public static void main(String[] args) {
    new Log4JTest();
  }
}