A. -4 B. -9 C. -1 D. -2
A. 3.3 B. 3.33 C. 3 D. 3.0
類Teacher: class Teacher{ String name; float salary; Teacher(String name){ this.name = name; } Teacher(String name,float salary){ this.name = name; this.salary = salary; } } 執(zhí)行語句Teacher t = new Teacher(“Tom”,2000.0f);后,字段salary的值是哪一項(xiàng)?()
A. 2000.0f B. 0.0f C. null; D. 2000