• 2021-04-14
    学霸译为theGrade-A-student或straight-A-student。
  • 内容

    • 0

      声明并创建一个学生类Student的对象s,下列语法格式正确的是: A: Student s = Student(); B: Student s; C: Student s = new Student(); D: Student s = new ();

    • 1

      Given that Student is a class, how many reference variables and objects are created by the following code? Student studentName, studentId; studentName = new Student(); Student stud_class = new Student();

    • 2

      用于删除数据表student正确的语句是: A: drop student B: delete student C: drop database student D: drop table student

    • 3

      Li Ting is a ______. A: first-year student B: second-year student C: third-year student

    • 4

      以下语句能正确删除数据表“Student”的是( )。 A: DELETE TABLE Student B: DROP Student C: DROP TABLE Student D: DELETE Student