已知: 的輸出為()
A.7 B.8 C.10 D.編譯錯誤
已知: 執(zhí)行時會拋出哪種異常()
A.StackOverflowError B.IllegalArgumentException C.NullPointerException D.VirtualMachineError
A.123 B.246 C.123123 D.編譯錯誤