下面程序的输出结果是( )。 public class Sun public static void main(String args[ ]) int i = 9; switch (i) default: System.out.println("default"); case 0: System.out.println("zero"); break; case 1: System.out.println("one"); case 2: System.out.println("two");
A.defaun B.defauh, zero C.error default clause not defined D.no output displayed