网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
student是结构体类型标识符,x是student类型变量,则计算x的字节数的表达式为()
参考答案
更多 “student是结构体类型标识符,x是student类型变量,则计算x的字节数的表达式为()” 相关考题
考题
设有以下说明语句typedefstruct{intn;charch[8];}PER;则下面叙述中的是()。
A、PER是结构体变量名B、PER是结构体类型名C、typedefstruct是结构体类型D、struct是结构体类型名
考题
有以下说明和定义语句 struct student { int age;char num[8]; struct student stu[3]={{20,"200401"},{21,"200402"},{19,"200403"}}; struct student *p=stu;}; 以下选项中引用结构体变量成员的表达式错误的是A.(p++)->numB.p->numC.(*p).numD.stu[3].age
考题
假设有如下的记录类型: Type Student number As String name AS String age As Integer End Type 则正确引用该记录类型变量的代码是______。A.Student. name="" s. name="张红"B.Dim s As Student s. Dame="张红"C.Dim s As Type Student s. name="张红"D.Dim s As Type s. name="张红"
考题
有如下的记录类型Type studentid As Stringname As Stringage As IntegerEnd Type则正确引用该记录类型变量的代码是( )A.student.name=”Sias”B.Dim s As students.mane=”Sias”C.Dim s As type students.name=”Sias”D.Dim s As types.name=”Sias”
考题
设有如下的用户定义类型: Type Student number As String name As string age As Integer End Type 则以下正确引用该类型成员的代码是______。A. Student name="李明”B.Dim s As Student s.name="李明"C.Dim s As Type Student s.name="李明"D.Dim s As Type s.name="李明"
考题
设有如下的记录类型: TypeStudent number As String name AS String age As Integer End Type 则正确引用该记录类型变量的代码是( )。A.Student.name="张红"B.Dim s As Student s.name="张红"C.Dim s As Type Student s.name="张红"D.Dim s As Type s.name="张红"
考题
设有如下的记录类型: Type Student Number As String Name As String Age As Integer End Sub 则能正确引用该记录类型变量的代码是( )。A.Student.name=""B.Dim s As Students.name=“张红”C.Dims As Tye Students.name=“张红”D.DimsAsTypes.name=“张红”
考题
下列程序的执行结果是______。 include class Student { public: Student(int xx){x=
下列程序的执行结果是______。include<iostream.h>class Student{public:Student(int xx){x=xx;}virtual float calcTuition( );protected:int x;};float Studertt::calcTuition( ){return float(x*x);}class GraduateStudent:public Student{public:GraduateStudent(int xx):Student(xx){}float calcTuition( );};float Graduatestudent::calcTuition( ){return float(x*2);}void main( ){Student s(20);GraduateStudent gs(30);cout<<s.calcTuition( )<<" "<<gs.calcTuition( )<<endl;//计算学生s和研究生gs的学费}
考题
设在工程中定义了下列类型:Type Stutypeino As Integerstrname As String*20strsex As String*1smark As SingleEnd Type在窗体上正确使用这个类型的是下列哪个操作( )。A.Sub Command1_Click() Dim student As Stutype With student .ino=12 .Strname=smith .strsex=男 .smark=89 End With End SubB.Sub Command1_Click() Dim Student As Stutype With student .ino=12 .strname="smith" .strsex="男" .smark=89 End With End SubC.Sub Comnland1_Click() Dim student As Stutype With Stutype .ino=12 .strname="smith" .strsex="男" .smark=89 End With End SubD.Sub Command1_Click() Dim student As Stutype With student .ino=12 .Strname="smith" .strsex="男" .smark=89 End student End Sub
考题
有以下说明和定义语句struct student{ int age; char num[8];};struct student stu[3]={{20,"200401"},{21,"200402"},{10\9,"200403"}};struct student *p=stu;以下选项中引用结构体变量成员的表达式错误的是A.(p++)-num B.p-num C.(*p).num D.stu[3].age
考题
以下叙述中错误的是( )。A.函数的返回值类型不能是结构体类型,只能是简单类型B.函数可以返回指向结构体变量的指针C.可以通过指向结构体变量的指针访问所指结构体变量的任何成员D.只要类型相同,结构体变量之间可以整体赋值
考题
设有如下的记录类型: Type Student number As String name As String age As Integer End Type 则正确引用该记录类型变量的代码是______。A.StUdent.name=""B.Dim s As StUdent s.name="张红"C.Dim s As Type Student s.name="张红"D.Dim s As Type s.name="张红"
考题
有以下说明和定义语句:struct student{int age; char num[8] ;};struct student stu [3] = { { 20, "200401" } , {21, "200402" } , {19, "200403" } };stract student * p = stu;以下选项中引用结构体变量成员的表达错误的是( )。A.(p++) ->numB.p- >numC.( *p).numD.stu[3].age
考题
由如下程序: Type Student Num As Integer Name As String * 13 End Type Dim stu(30)As Student 该程序段定义了两个程序成分,它们分别是 ______。A.记录类型和记录数组B.记录类型和记录变量C.显示类型和记录数组D.记录变量和记录数组
考题
之前已经创建了一个Student的表,Age有数据类型为Int,现在改为smallint应该( )写。A.ALTER TABLE student ALTER COLUMN sage smallintB.ALTER TABLE student ALTER COLUMN age smallintC.ALTER TABLE student ALTER MODIFY age smallintD.ALTER TABLE student MODIFY sage smallint
考题
声明语句<!ATTIBLIST student studentID ID #REQUIRED>的作用是()A、声明元素student的属性studentID是可有可无的B、声明元素student的属性studentID是唯一标识类型,可以省略C、声明元素student的属性studentID是默认取值,可以省略D、声明元素student的属性studentID是唯一标识类型,不可省略
考题
数据结构里,struct student { char name[20]; char sex[10]; int age; int score; }; 定义结构体后,定义变量、数组赋值正确的是()。A、struct student s={"张三","男",18,100};B、struct student stu[3]={{"张三","男",18,100},{"李四","男",19,90},{"王五","男",23,97}};C、struct student s={"李四";"女";18;100};D、struct student stu[3]={{"张三",18,"男",100},{"李四",19,"男",90},{"王五",23,"男",97}};
考题
设有以下说明语句:typedefstruct{intn;charch[8];}PER;则下面叙述中正确的是()A、PER是结构体变量名B、PER是结构体类型名C、typedefstruct是结构体类型D、struct是结构体类型名
考题
下面正确的结构体定义格式是()A、struct结构体名{类型成员变量1;类型成员变量2;….类型成员变量n;};B、struct结构体名{类型成员变量1;类型成员变量2;….类型成员变量n;}C、struct{类型成员变量1;类型成员变量2;….类型成员变量n;}结构体名;D、struct{类型成员变量1;类型成员变量2;….类型成员变量n;}结构体名
考题
数据库中有一张表名称为Student,有列Number,Name,Age,IDCard,Sex。主键是Number,数据类型为Varchar(20)。要求写删除学号为“20140001”的学生,下列哪个SQL语句是正确的()A、Delete Student‘20140001’B、Delete Student“20140001”C、Delete Student Where Number=‘20140001’"D、Delete From Student Where Number=”20140001”"
考题
单选题以下scanf函数调用语句中对结构体变量成员的不正确引用的是()。 struct node{ char name[20]; int age; int sex; }student[5],*p; p=student;A
scanf(“%s”,student[0].name);B
scanf(“%d”,student[0].age);C
scanf(“%d”,(p-sex));D
scanf(“%d”,p-age);
热门标签
最新试卷