import java.util.Random;

public class Owner {

private String ownerName;

public Owner(String name){

ownerName = name;

}

public Owner(){

final String alphabet = "ABCDEFGHIJKLMNOPQRSTUVXYZ";

final int N = alphabet.length();

Random r = new Random();

StringBuffer name = new StringBuffer();

for (int i = 0; i <6; i++) {

name.append(alphabet.charAt(r.nextInt(N)));

}

ownerName = name.toString();

}

public String getOwnerName() {

return ownerName;

}

public void setOwnerName(String ownerName) {

this.ownerName = ownerName;

}

public String toString(){

return this.ownerName;

}

@Override

public boolean equals(Object obj) {

if(obj != null && obj instanceof Owner){

Owner owner2 = (Owner)obj;

if(owner2.getOwnerName() != null && owner2.equals(this.getOwnerName())){

return true;

}

}

return false;

}

@Override

public int hashCode() {

return this.getOwnerName().hashCode();

}

}