Can someone please help with what im doing wrong in my code for java?

the question is use javadoc to generate HTML documentation for the code display 5.19 Use @author and @version tag for description of entire class Add a comment for every public method or constructor using the @param and @return tags when appropriate.

package chap4and5;

import java.util.Date;

/** * * @author coleen */ public class Person { private String name; private Date born; private Date died;//null indicates still alive { System.out.println("ITMP 2650 Java Programming summer 2017"); System.out.println("author: Coleen Feador"); System.out.println("Assignment: Chapter 5 question 9"); } public Person(String initialName,Date birthDate, Date deathDate, born, died) { if(consistent(birthDate, deathDate)) { name = initialName; born = new Date(birthDate); if(deathDate == null) died = null; else died = new Date(deathDate); } else { System.out.println("Inconsistent dates. aborting"); System.exit(0); } } public Person(Person original) { if(original==null) { System.out.println("Fatal error"); System.exit(0); } name = original.name; born = new Date(original.born); if(original.died == null) died = null; else died = new Date(original.died); } public void set(String newName, Date birthDate, Date deathDate) { if(consistent(birthDate,deathDate)) { name = newName; born = new Date(birthDate); if(deathDate == null) died = null; else died = new Date(deathDate); } else { System.out.println("inconsistent dates. aborting."); System.exit(0); } } public String toString() { String diedString; if(died == null) diedString="";//empty string else diedString = died.toString(); return (name+","+born+"-"+diedString); } public boolean equals(Person otherPerson) { if(otherPerson == null) return false; else return(name.equals(otherPerson.name) &&born.equals(otherPerson.born) && datesMatch(died, otherPerson.died)); } private static boolean datesMatch(Date date1, Date date2) { if(date1 == null) return(date2 == null); else if(date2 == null)//&& date1 !=null return false; else // both dates are not null return(date1.equals(date2)); } public void setBirthDate(Date newDate) { if(consistent(newDate, died)) born = new Date(newDate); else { System.out.println("inconsistentdates. aborting"); System.exit(0); } } public void setDeathDate(Date newDate) { if(!consistent(born, newDate)) { System.out.println("inconsistent dates. aborting"); System.exit(0); } if(newDate == null) died = null; else died = new Date(newDate); } public void setName(String newName) { name = newName; } public void setBirthYear(int newYear) { if (born == null) { System.out.println("fata;Error.Aborting"); System.exit(0); } born.setYear(newYear); if(!consistent(born, died)) { System.out.println("inconsistent dates. Aborting"); System.exit(0); } } public void setDeathYear(int newYear) { if (died == null) { System.out.println("fata; Error.aboring"); System.exit(0); } died.setYear(newYear); if(!consistent(born, died)) { System.out.println("inconsistent dates. aborting"); System.exit(0); } } Public String getName() { return name; } Public Date Person() { return new Date(born); } public Date getDeathDate() { if(died == null) return null; else return new Date(died); }

private static boolean consistent(Date birthDate, Date deathDate) { if (birthDate == null) return false; else if (deathDate == null) return true; else return(birthDate.precedes(deathDate)|| birthDate.equals(deathDate)); }

}