import java.util.*;
import java.lang.*;

import java.util.*;
import java.lang.*;

public class StudentCollection {

  private Collection<Student> students;
  
  public StudentCollection() {
    students = new LinkedList<Student>();
    populateList();
  }
  
  public final void populateList() {
    students.add(new Student("John", "Smith"));
    students.add(new Student("Stanley", "Peters"));
    students.add(new Student("Edgar", "Bloch"));
    students.add(new Student("Suzan", "Miles"));
    students.add(new Student("Mary", "Poppins"));
  }
  
  public Collection<Student> getStudents() {
    return students;
  }
  
  public void iterateList() {  
    for(Student st: students) {
      System.out.println(st.toString());
    }
  }
  
  public static void main(String args[]) {
    StudentCollection stl = new StudentCollection();    
    Collection <Student> sts = new LinkedList<Student>();
    
    //comment for statement
    int i=0;
    for(Student st : stl.getStudents()) {
      sts.add(st);
      if(++i==2) break;
    }
    
    //and uncomment this code below
    /*
    sts.add(new Student("John", "Smith"));
    sts.add(new Student("Stanley", "Peters"));
    */
    
    stl.getStudents().removeAll(sts);
    stl.iterateList();
    
  }
}