B8 Day 14 array list

package mattroseb8wk3;
import java.util.ArrayList;

public class Day14F {
    public static void main(String[] args) {
        ArrayList<String> list1 = new ArrayList<>();
        list1.add("Mangga");
        list1.add("Melon");
        list1.add("Avocado");
        list1.add(1, "Tomato");
        list1.add(2, "Banana");
        for (String str : list1) {
            System.out.print(String.format("%-8s | ", str));
        }
        System.out.println("total columns: " + list1.size());

        list1.set(4, "Rambutan");
        list1.set(1, "Apple");
        list1.set(3, "Lanzones");
        for (String str : list1) {
            System.out.print(String.format("%-8s ~ ", str));
        }
        System.out.println();

        list1.remove(2);
        list1.remove("Mangga");
        for (String str : list1) {
            System.out.print(String.format("%-8s ! ", str));
        }
        System.out.println("total columns: " + list1.size());
    }
}