I am new to java and have created my first arraylist.
1) The iterator is not functioning!
2)The problem is that it is repeating the same names in main(). I tried a nested for loop but it did not work!!
I tried something like this but it did not work. Can anyone help?
package person;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Random;
/**
*
* @author borgj062
*/
public class Person
{
String name, surname;
String address;
int day;
int month;
int year;
int age;
static ArrayList<Person> displayList = new ArrayList<Person>();
public void setName(String n )
{
name = n;
}
public void setSurname(String s)
{
surname = s;
}
public void setAddress(String add)
{
address = add;
}
public void setDate(int d)
{
day = d;
}
public void setMonth(int m)
{
month = m;
}
public void setYear(int y)
{
year = y;
}
public String getName()
{
return name;
}
public String getSurname()
{
return surname;
}
public String getAddress()
{
return address;
}
public int getDay()
{
return day;
}
public int getMonth()
{
return month;
}
public int getYear()
{
return year;
}
public static void randomizer()
{
Person person0 = new Person();
Person person1 = new Person();
Person person2 = new Person();
Person person3 = new Person();
Person person4 = new Person();
Person person5 = new Person();
Person person6 = new Person();
Person person7 = new Person();
Person person8 = new Person();
Person person9 = new Person();
displayList.add(person0);
displayList.add(person1);
displayList.add(person2);
displayList.add(person3);
displayList.add(person4);
displayList.add(person5);
displayList.add(person6);
displayList.add(person7);
displayList.add(person8);
displayList.add(person9);
person0.setName("David");
person1.setName("James");
person2.setName("Clayton");
person3.setName("Jason");
person4.setName("Natasha");
person5.setName("Alfred");
person6.setName("Shaun");
person7.setName("Ingrid");
person8.setName("Mariella");
person9.setName("Marvic");
person0.setSurname("Notabile");
person1.setSurname("Borg");
person2.setSurname("Breil");
person3.setSurname("Kits");
person4.setSurname("Micallef");
person5.setSurname("Bonnici");
person6.setSurname("Delia");
person7.setSurname("Buhagiar");
person8.setSurname("Douglas");
person9.setSurname("Mallia");
person0.setDate(12);
person1.setDate(7);
person2.setDate(13);
person3.setDate(10);
person4.setDate(22);
person5.setDate(30);
person6.setDate(23);
person7.setDate(30);
person8.setDate(11);
person9.setDate(19);
person0.setMonth(7);
person1.setMonth(8);
person2.setMonth(12);
person3.setMonth(9);
person4.setMonth(11);
person5.setMonth(2);
person6.setMonth(8);
person7.setMonth(10);
person8.setMonth(1);
person9.setMonth(5);
person0.setYear(1990);
person1.setYear(1991);
person2.setYear(1993);
person3.setYear(1994);
person4.setYear(1995);
person5.setYear(1996);
person6.setYear(1997);
person7.setYear(1998);
person8.setYear(1999);
person9.setYear(2000);
person0.setAddress("21, Triq il-Kalvarju Mosta");
person1.setAddress("212,Triq il-Berebies Zabbar");
person2.setAddress("99, Triq il-Kuncizzjoni Bormla");
person3.setAddress("19, Triq it-Tempji Neolitici Tarxien");
person4.setAddress("112, Triq il-Fawwara Fgura");
person5.setAddress("78, Manwel Dimech Street, Saflieni");
person6.setAddress("111, Triq in-Nahal, Mellieha");
person7.setAddress("113, Triq il-Qaliet, Fawwara");
person8.setAddress("122, Triq il-Lampuka, Rahal Gdid");
person9.setAddress("8, Triq in-Nassa, San Pawl il-Bahar");
displayList.get(0);
displayList.get(1);
displayList.get(2);
displayList.get(3);
displayList.get(4);
displayList.get(5);
displayList.get(6);
displayList.get(7);
displayList.get(8);
displayList.get(9);
// displayList.remove(person9);
}
// I had a problem with the iterator - in main it is giving me a concatenation of strange numbers???
//public static void usingIterator()
//{
// Iterator it = displayList.iterator();
// while(it.hasNext())
// {
// System.out.println(it.next());
//
// }
// System.out.println(displayList);
//}
public static void generateRandomPerson()
{
Random myNumber = new Random();
int t = myNumber.nextInt(9);
System.out.printf("%-10s%-10s%30s\n",displayList.get(t).name);//displayList.get(t).surname,displayList.get(t).addr ess);
//System.out.printf("Date of birth %02d/%02d/%04d\n\n\n", displayList.get(t).day, displayList.get(t).month,displayList.get(t).year);
}
}
Here is the main
public static void main(String[] args)
{
Person p = new Person();
for(int counter =0; counter < 10; counter++)
{
Person.randomizer();
Person.generateRandomPerson();
// Person.usingIterator();
}
}
}
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