public class TryCatchTest2 {
  public static void main(String[] args) {
    int i, m = 1;
    try { 
      for (i = 0; i < args.length; i++) {
        m *= foo(args[i]);
      }
    } catch (Exception e) {
      m = 0;
    }
    System.out.println("答は " + m + " です。");
  }

  public static int foo(String arg) throws Exception {
    int a = Integer.parseInt(arg);
    if (a == 0) throw new Exception("zero");
    return a;
  }
}