Java How to Program, Early Objects, 11th Edition

... ArrayList<String> items = new ArrayList<String>();
9
10         items.add("red"); // append an item to the list
11         items.add(0, "yellow"); // insert "yellow" at index 0
12
13         // header
14         System.out.print(
15            "Display list contents with counter-controlled loop:");
16
17         // display the colors in the list
18         for (int i = 0; i < items.size(); i++) {
19            System.out.printf(" %s", items.get(i));
20         }
21
22         // display colors using enhanced for in the display method
23         display(items,
24            "%nDisplay list contents with enhanced for statement:");
25
26         items.add("green"); // add "green" to the end of the list
27         items.add("yellow"); // add "yellow" to the end of the list
28         display(items, "List with two new elements:");
29
30         items.remove("yellow"); // remove the first "yellow"