im trying to run this code in eclipse but it gives an error, please let me know whats wrong with it:

public class Person {

String firstName;

String lastName;

String emailId;

long phoneNumber;

// accessor method for first name

public String getFirstName() {

return firstName;

}

// mutator method for first name

public void setFirstName(String firstName) {

this.firstName = firstName;

}

// accessor method for last name

public String getLastName() {

return lastName;

}

// mutator method for last name.

public void setLastName(String lastName) {

this.lastName = lastName;

}

// accessor method for email id.

public String getEmailId() {

return emailId;

}

// mutator method for email id.

public void setEmailId(String emailId) {

this.emailId = emailId;

}

// accessor method for phone number.

public long getPhoneNumber() {

return phoneNumber;

}

// mutator method for phone number.

public void setPhoneNumber(int phoneNumber) {

this.phoneNumber = phoneNumber;

}

// this method will print all the values of person object.

@Override

public String toString() {

return "Person [firstName=" + firstName + ", lastName=" + lastName + ", emailId=" + emailId + ", phoneNumber="

+ phoneNumber + "]";

}

//this method will checks the objects and returns true if all the values are matched.

@Override

public boolean equals(Object obj) {

if (this == obj) {

return true;

}

if (obj == null) {

return false;

}

if (!(obj instanceof Person)) {

return false;

}

Person other = (Person) obj;

if (emailId == null) {

if (other.emailId != null) {

return false;

}

} else if (!emailId.equals(other.emailId)) {

return false;

}

if (firstName == null) {

if (other.firstName != null) {

return false;

}

} else if (!firstName.equals(other.firstName)) {

return false;

}

if (lastName == null) {

if (other.lastName != null) {

return false;

}

} else if (!lastName.equals(other.lastName)) {

return false;

}

if (phoneNumber != other.phoneNumber) {

return false;

}

return true;

}

}

public class PersonAddressDemo {

public static void main(String[] args) {

// Creating data for Person objects

Person p1 = new Person();

p1.setFirstName("John");

p1.setLastName("Carry");

p1.setEmailId("john.carrey@abc.com");

p1.setPhoneNumber(123456789);

Person p2 = new Person();

p2.setFirstName("Sean");

p2.setLastName("Luke");

p2.setEmailId("sean.luke@abc.com");

p2.setPhoneNumber(564943939);

Person p3 = new Person();

p3.setFirstName("Jonny");

p3.setLastName("Sheeny");

p3.setEmailId("jonny.sheeny@abc.com");

p3.setPhoneNumber(56478699);

Person p4 = new Person();

p4.setFirstName("John");

p4.setLastName("Carry");

p4.setEmailId("john.carrey@abc.com");

p4.setPhoneNumber(123456789);

// Printing data for all Person objects

System.out.println(p1.toString());

System.out.println(p2.toString());

System.out.println(p3.toString());

System.out.println(p4.toString());

//Comparing Person p1 and Person p2 . Below will return false since the data is not same.

System.out.println("Comparing p1 and p2 " + p1.equals(p2));

//Comparing Person p1 and Person p4 . Below will return true since the data is same.

System.out.println("Comparing p1 and p4 " + p1.equals(p4));

}

}