Untitled

package com.practical.StudentUniversity;

import java.util.Iterator;
import java.util.List;

public class University {

	public static void main(String[] args) {
		
		College obj = new College();
		
		List<List<Student>> students = obj.m1();
		
		Iterator<List<Student>> iterator = students.iterator();
		
		while(iterator.hasNext())
		{
			List<Student> studentlists = iterator.next();
			Iterator<Student> std = studentlists.iterator();
			
			while(std.hasNext())
			{
				Student s = std.next();
				System.out.println("RollNo:"+s.getRollno()+ " Name: "+s.getName());
				System.out.println("--------------------------------------------");
			}
		}
	}
}