public class Faculty  {
	static int arrcounter=0;
	int counter=0; 
	int studentNum=0;
	StudentImpl  students[];
	Faculty(int num){
		studentNum=num;
		students=new StudentImpl[studentNum];
	}
	Faculty(StudentImpl []studentsarr){
		this.students=studentsarr;
		studentNum=studentsarr.length;
	}
	class  TravelerImpl implements Traveler{
		TravelerImpl()
		{
			
		}
		public Object Current(){ 
			return students[counter];		
		}
		public boolean end(){
			if (counter==studentNum)
				return true;
			else
				return false;
		}
		public void next(){
			if(counter<20)
			{
				counter+=1;
			}
		}
	}
	public Traveler GetTraveler(){
		TravelerImpl t=new TravelerImpl();
		return t;
	}



How to use in main:

Traveler trav=ort.GetTraveler();//get the actual iterator object
		while(!trav.end()/*to check if we're at the end*/){
			( (Student)trav.Current()/*The current thing the iterator is pointing at*/).PrintNormal() ;
			trav.next();//Get the next thing
		}