Initialization & Cleanup(Thinking in Java)

 1 public class OptionalTrailingArguments {
 2 static void f(int required, String... trailing) {
 3 System.out.print("required: " + required + " ");
 4 for(String s : trailing)
 5 System.out.print(s + " ");
 6 System.out.println();
 7 }
 8 public static void main(String[] args) {
 9 f(1, "one");
10 f(2, "two", "three");
11 f(0);
12 }
13 }