Java: Out with the Old, In with the New

Question

Java is nearing version 7. It occurs to me that there must be plenty of textbooks and training manuals kicking around that teach methods based on older versions of Java, whe

Answer 1

Related to varargs; the utility method Arrays.asList() which, starting from Java 5, takes varargs parameters is immensely useful.

I often find myself simplifying something like

List items = new ArrayList();
items.add("one");
items.add("two");
items.add("three");
handleItems(items);

by using

handleItems(Arrays.asList("one", "two", "three"));