試題詳解

Which code fragment, inserted at line 4, produces the output | 12.345|?
(A) System.out.printf("|%7d| \n", d);
(B) System.out.printf("|%7f| \n", d);
(C) System.out.printf("|%3.7d| \n", d);
(D) System.out.printf("|%3.7f| \n", d);
(E) System.out.printf("|%7.3d| \n", d); (AB) System.out.printf("|%7.3f| \n", d);