更多“多选题Which are valid identifiers?()A_classB$value$Czer@D¥ngstrE2muchuq”相关问题
  • 第1题:

    Choose the three valid identifiers from those listed below.()

    • A、I Do Like The Long Name Class
    • B、$byte
    • C、const
    • D、_ok
    • E、3_case

    正确答案:A,B,D

  • 第2题:

    Which declarations of identifiers are legal?()

    • A、 $persons
    • B、 TwoUsers
    • C、 *point
    • D、 this
    • E、 _endline

    正确答案:A,B,E

  • 第3题:

    Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10; 13.} Which three are valid on line 12?()

    • A、final
    • B、static
    • C、native
    • D、public
    • E、private

    正确答案:A,B,D

  • 第4题:

    多选题
    Which are valid identifiers?()
    A

    _class

    B

    $value$

    C

    zer@

    D

    ¥ngstr

    E

    2muchuq


    正确答案: C,D
    解析: 暂无解析

  • 第5题:

    多选题
    Given the following interface definition, which definitions are valid?()   interface I {   void setValue(int val);   int getValue();   }    DEFINITION a:   (a) class a extends I {  int value;   void setValue(int val) { value = val;  }   int getValue() {  return value;  }   }   DEFINITION b:   (b) interface b extends I {   void increment();   }   DEFINITION c:   (c) abstract class c implements I {   int getValue() {  return 0;  }  abstract void increment();   }   DEFINITION d:   (d) interface d implements I {  void increment();  }   DEFINITION e:   (e) class e implements I {  int value;   public void setValue(int val) { value = val; }  }
    A

    Definition a.

    B

    Definition b.

    C

    Definition c.

    D

    Definition d.

    E

    Definition e.


    正确答案: A,B
    解析: 暂无解析

  • 第6题:

    多选题
    Which two security policy actions are valid?()
    A

    deny

    B

    discard

    C

    reject

    D

    close


    正确答案: A,D
    解析: 暂无解析

  • 第7题:

    多选题
    Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10; 13.} Which three are valid on line 12?()
    A

    final

    B

    static

    C

    native

    D

    public

    E

    private


    正确答案: B,C
    解析: 暂无解析

  • 第8题:

    单选题
    Which value is valid for the iterate parameter in SET_TIMER built-in procedure? ()
    A

    REUSE 

    B

    RECYCLE 

    C

    NO_CHANGE 

    D

    OCCURRENCE


    正确答案: D
    解析: 暂无解析

  • 第9题:

    多选题
    Which two options are valid WAN connectivity methods?()
    A

    PPP

    B

    WAP

    C

    DSL

    D

    Ethernet

    E

    L2TPv3


    正确答案: C,A
    解析: 暂无解析

  • 第10题:

    多选题
    11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()
    A

    final

    B

    static

    C

    native

    D

    public

    E

    private

    F

    abstract

    G

    protected


    正确答案: G,A
    解析: 暂无解析

  • 第11题:

    多选题
    Which two are true about the tag handler referneed by my Tag. ()
    A

    The do Start Tag method is called once.

    B

    The do After Body method is NOT called.

    C

    The EVAL_Page constant is a valid return value for the do End Tag Method.

    D

    the EVAL_BODY_BUFFERED constant is a valid return value for the do Start Tag method.


    正确答案: D,B
    解析: 暂无解析

  • 第12题:

    单选题
    Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?()
    A

    V$VALID_NLS_VALUES

    B

    NLS_VALID_VALUES

    C

    NLS_VALUE_OPTIONS

    D

    V$NLS_VALUE_OPTIONS

    E

    V$NLS_VALID_VALUES


    正确答案: E
    解析: 暂无解析

  • 第13题:

    11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()

    • A、 final
    • B、 static
    • C、 native
    • D、 public
    • E、 private
    • F、 abstract
    • G、 protected

    正确答案:A,B,D

  • 第14题:

    Which value is valid for the iterate parameter in the CREATE_TIMER built-in function?()

    • A、CYCLE 
    • B、ITERATE
    • C、NO_REPEAT 
    • D、REUSE

    正确答案:C

  • 第15题:

    You need to design the restrictions on the Bank.Customers table. Which three actions should you perform?()

    • A、Design a trigger that verifies that the first names and surnames are not empty strings.
    • B、Design a check constraint that verifies that the first names and surnames are not empty strings.
    • C、Design a check constraint that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid.
    • D、Design a trigger that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid.
    • E、Design a check constraint that ensures that the phone number cannot be changed from a valid format to a null value or to an invalid format.
    • F、Design a trigger that ensures that the phone number cannot be changed from a valid format to a null value.

    正确答案:B,C,F

  • 第16题:

    多选题
    Which three menu item types are valid in a menu module?()
    A

    Magic

    B

    Plain

    C

    Check

    D

    List item

    E

    Divider


    正确答案: D,A
    解析: 暂无解析

  • 第17题:

    单选题
    Which value is valid for the iterate parameter in the CREATE_TIMER built-in function?()
    A

    CYCLE 

    B

    ITERATE

    C

    NO_REPEAT 

    D

    REUSE


    正确答案: B
    解析: 暂无解析

  • 第18题:

    多选题
    Choose the three valid identifiers from those listed below.()
    A

    I Do Like The Long Name Class

    B

    $byte

    C

    const

    D

    _ok

    E

    3_case


    正确答案: B,D
    解析: Java中的标示符必须是字母、美元符($)或下划线(_)开头。关键字与保留字不能作为标示符。选项C中的const是Java的保留字,所以不能作标示符。选项E中的3_case以数字开头,违反了Java的规则。

  • 第19题:

    多选题
    You need to design the restrictions on the Bank.Customers table. Which three actions should you perform?()
    A

    Design a trigger that verifies that the first names and surnames are not empty strings.

    B

    Design a check constraint that verifies that the first names and surnames are not empty strings.

    C

    Design a check constraint that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid.

    D

    Design a trigger that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid.

    E

    Design a check constraint that ensures that the phone number cannot be changed from a valid format to a null value or to an invalid format.

    F

    Design a trigger that ensures that the phone number cannot be changed from a valid format to a null value.


    正确答案: B,C,F
    解析: 暂无解析

  • 第20题:

    单选题
    Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY, and NLS_CHARACTERSET parameters?()
    A

     V$VALID_NLS_VALUES

    B

     NLS_VALID_VALUES

    C

     NLS_VALUE_OPTIONS

    D

     V$NLS_VALUE_OPTIONS

    E

     V$NLS_VALID_VALUES


    正确答案: A
    解析: 暂无解析

  • 第21题:

    多选题
    Which declarations of identifiers are legal?()
    A

    $persons

    B

    TwoUsers

    C

    *point

    D

    this

    E

    _endline


    正确答案: C,A
    解析: Java的标识符可以以一个Unicode字符,下滑线(_),美元符($)开始,后续字符可以是前面的符号和数字,没有长度限制,大小写敏感,不能是保留字。

  • 第22题:

    多选题
    Which four are valid Oracle constraint types? ()
    A

    CASCADE

    B

    UNIQUE

    C

    NONUNIQUE

    D

    CHECK

    E

    PRIMARY KEY

    F

    CONSTANT

    G

    NOT NULL


    正确答案: B,A
    解析: 暂无解析

  • 第23题:

    多选题
    Given: 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?()
    A

    The doStartTag method is called once.

    B

    The doAfterBody method is NOT called.

    C

    The EVAL_PAGE constant is a valid return value for the doEndTag method.

    D

    The SKIP_PAGE constant is a valid return value for the doStartTag method.

    E

    The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.


    正确答案: C,D
    解析: 暂无解析

  • 第24题:

    多选题
    Given: 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?()
    A

    The doStartTag method is called once.

    B

    The doAfterBody method is NOT called.

    C

    The EVAL_PAGE constant is a valid return value for the doEndTag method.

    D

    The SKIP_PAGE constant is a valid return value for the doStartTag method.

    E

    The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.


    正确答案: A,D
    解析: 暂无解析