import java.util.*;
class Person
{
    private String name;
    Person(String name)
    {
        this.name = name;
    }
    String GetName()
    {
        return name;
    }
   
}
public class Text_11 {

    public static void main(String []args)
    {
        ArrayList<Person> p = new ArrayList<Person>();
        p.add(new Person("abc1"));
        p.add(new Person("abc2"));
        p.add(new Person("abc3"));
        printColl(p);
    }
    public static void printColl(ArrayList<Person> p)
    {
        Iterator it = p.iterator();
        while(it.hasNext())
        {
            System.out.println(it.next().toString());
        }
    }
}
Exception in thread "main" java.lang.NoSuchMethodError: Person.<init>(Ljava/lang/String;)V
    at Text_11.main(Text_11.java:20)