• 2022-06-16 问题

    JDBC访问Mysql数据库时,可以通过调用( )方法显式地加载驱动程序。 A: Class.getMySql() B: Class.forDriver() C: Class.getConnection() D: Class.forName()

    JDBC访问Mysql数据库时,可以通过调用( )方法显式地加载驱动程序。 A: Class.getMySql() B: Class.forDriver() C: Class.getConnection() D: Class.forName()

  • 2022-06-07 问题

    以下程序的输出结果:( ) A: <;class 'dict'>;<;class 'dict_values'>;<;class 'dict_keys'>; B: <;class 'dict'>; C: <;class 'dict'>;<;class 'dict'>;<;class 'dict'>; D: <;class 'dict'>;NoneNone

    以下程序的输出结果:( ) A: <;class 'dict'>;<;class 'dict_values'>;<;class 'dict_keys'>; B: <;class 'dict'>; C: <;class 'dict'>;<;class 'dict'>;<;class 'dict'>; D: <;class 'dict'>;NoneNone

  • 2022-06-06 问题

    There are different classes in the cabin, economy class, first class and ( ) . A: business class B: VIP class C: special class D: normal class

    There are different classes in the cabin, economy class, first class and ( ) . A: business class B: VIP class C: special class D: normal class

  • 2022-05-30 问题

    下面代码的输出结果是()。 >;>;>; s = {} >;>;>; type(s) >;>;>; s = &#91;&#93; >;>;>; type(s) >;>;>; s = () >;>;>; type(s) A: <;class 'tuple'>; <;class 'list'>; <;class 'dict'>; B: <;class 'dict'>; <;class 'list'>;<;class 'tuple'>; C: <;class 'dict'>;<;class 'list'>;<;class 'set'>; D: lt;class 'tuple'>;<;class 'dict'>;<;class 'list'>;

    下面代码的输出结果是()。 >;>;>; s = {} >;>;>; type(s) >;>;>; s = &#91;&#93; >;>;>; type(s) >;>;>; s = () >;>;>; type(s) A: <;class 'tuple'>; <;class 'list'>; <;class 'dict'>; B: <;class 'dict'>; <;class 'list'>;<;class 'tuple'>; C: <;class 'dict'>;<;class 'list'>;<;class 'set'>; D: lt;class 'tuple'>;<;class 'dict'>;<;class 'list'>;

  • 2022-06-16 问题

    如果有,指出下面类模板声明(或声明对)中哪些是非法的。(a)template <class Type> class C1;template <class Type,int size> class C1;(b)template <class T,U,class V> class C2;(c)template <class C1,typename C2>class C3(};(d)template <typename myT,class myr> class C4{};(e)template <class Type,int*ptr> class C5;template <class T,int*pi>class C5;

    如果有,指出下面类模板声明(或声明对)中哪些是非法的。(a)template <class Type> class C1;template <class Type,int size> class C1;(b)template <class T,U,class V> class C2;(c)template <class C1,typename C2>class C3(};(d)template <typename myT,class myr> class C4{};(e)template <class Type,int*ptr> class C5;template <class T,int*pi>class C5;

  • 2022-06-06 问题

    Which class will Bruce take? A: First class B: Business class C: Economy class

    Which class will Bruce take? A: First class B: Business class C: Economy class

  • 2022-07-24 问题

    在下面的类声明中,错误的是 A: class AA{ BB b; }; class BB{ AA a; }; B: class AA{ AA *a; }; class BB{ BB &b; }; C: class BB; class AA{ BB *b; }; class BB{ AA a; }; D: class AA; class BB{ AA &a; }; class AA{ BB b; };

    在下面的类声明中,错误的是 A: class AA{ BB b; }; class BB{ AA a; }; B: class AA{ AA *a; }; class BB{ BB &b; }; C: class BB; class AA{ BB *b; }; class BB{ AA a; }; D: class AA; class BB{ AA &a; }; class AA{ BB b; };

  • 2021-04-14 问题

    Class A has a higher enrollment than Class B. Class C has a lower enrollment than Class B. Therefore, Class A has a lower enrollment than Class C.

    Class A has a higher enrollment than Class B. Class C has a lower enrollment than Class B. Therefore, Class A has a lower enrollment than Class C.

  • 2022-06-06 问题

    He is a student of ____. A: Class Second B: the Class Two C: Class Two D: Second Class

    He is a student of ____. A: Class Second B: the Class Two C: Class Two D: Second Class

  • 2022-06-12 问题

    如何表示CSS的类选择器 A: B: class C: .class D: class E: [class]

    如何表示CSS的类选择器 A: B: class C: .class D: class E: [class]

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