Java Lists 2

import java.util.*;

class Java{
    public static void main(String args[]){
        List<String> list = new ArrayList<String>();
        list.add("apples");
        list.add(1,"banannas");
        list.add(1,"grapes");
        displayList(list);//Outputs: apples, grapes, banannas
        list.remove(1);
        displayList(list);//Outputs: apples, banannas
        list.add("banannas");
        displayList(list);//Outputs: apples, banannas, banannas
        list.clear();
        displayList(list);
    }
    public static void displayList(List<String> list){
        for(int i = 0; i < list.size(); i++){
            if(i < list.size() - 1){
                System.out.printf("%s, ",list.get(i));
            } else {
                System.out.print(list.get(i));
                System.out.println();
            }
        }
        if(list.contains("grapes")){
            System.out.println("This list contains grapes.");
        }
    }
}