A.byte b1 = 3;byte b2 = 4;byte b3 = b1 + b2; B.byte b1 = 3;byte b2 = 4;byte b3 = (byte)b1 + (byte)b2 C.byte b1 = 3;byte b2 = 4;byte b3 =(byte)(b1 + b2) D.byte b1 = 3;byte b2 = 4;byte b3 = b1 + (byte)b2
A.基本數(shù)據(jù)類型 B.指針數(shù)據(jù)類型 C.混合數(shù)據(jù)類型 D.引用數(shù)據(jù)類型
A.'女' B.'a' C.'1' D.'abc'