PrinableClass

import java.lang.reflect.*;

public class PrintAbleClass{

  public void print(){
    printObject(this);
  }

  public static void printObject(Object o){
    Class parentClass = o.getClass();
    System.out.println("<" + parentClass.getName() + ">");
    Field[] fields = parentClass.getDeclaredFields();
    for (Field f : fields) {
      try{
        Thread.sleep(400);
        printField(f);
        System.out.println("123");
      }
      catch(Exception e){
        try{
          printObject(f.get(o));
        }
        catch(Exception e2){}
      }
      System.out.println("</" + parentClass.getName() + ">");
    }
  }

  public static  void printField(Field f) throws Exception{
    Class parentClass = f.getClass();
    f.setAccessible(true);
    System.out.println(emptyLength(parentClass.getName()) + "<" + f.getName() + ">"+ (String)f.get(f) + "</" + f.getName() + ">");
    f.setAccessible(false);
    Thread.sleep(400);
  }

  private static String emptyLength(String s){
    String r = "";
    for (int i = 0; i < s.length();i++) {
      r = r + " " ;
    }
    return r;
  }

}