/* package whatever; // don't place package name! */

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

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);
		list.set(1, 6);
		
		System.out.println("oh, ez mutable!");
		
		for(Integer i : list){
			System.out.println(i.toString());
		}
		
		try{
			list.add(7);
		} catch (Exception e){
			System.out.println("... de fixed size");
		}
	}
}