单选题有声明union perdata{ int class;char ofice[10];int score;} ;该共用体占据字节数为()A10B12C14D15

单选题
有声明union perdata{ int class;char ofice[10];int score;} ;该共用体占据字节数为()
A

10

B

12

C

14

D

15


参考解析

解析: 暂无解析

相关考题:

● 已知有变量 data1 定义如下:union data{ int i;char ch;float f;} data1;则变量 data1 所占的内存存储空间可表示为 (57) 。(57)A. sizeof(int)B. sizeof(char)C. sizeof(float)D. sizeof(int)+sizeof(char)+sizeof(float)

有以下程序:includeincludeusingnameSpacestd;classperson{ intage; Char*nam 有以下程序:include <iostream>include <string>using nameSpace std;class person{int age;Char * name;public:person ( int i, Char * str ){int j;j = strlen( str ) + 1;name = new char[ j ];strcpy( name, str );age = i;}~person(){delete name;cout<<"D";}void display(){cout<<name<<":"<<age;}};int main(){person demo( 30,"Smith" );demo.display();return 0;}则该程序的输出结果为:【 】。

Given:Which method will complete this class?() A.public int compareTo(Object o){/*more code here*/}B.public int compareTo(Score other){/*more code here*/}C.public int compare(Score s1,Score s2){/*more code here*/}D.public int compare(Object o1,Object o2){/*more code here*/}

有语句定义共用体类型变量: union { int i; char ch; float f; } a,bc; 上面定义的共用体变量a、b、c各占( )字节。A.4B.2C.7D.1

变量a所占内存字节数是______。 union U { char st[4]; int i; long 1; }; struct A { int c; union U u; }a;A.4B.5C.6D.8

有以下程序: #include 〈iostream〉 #include 〈string〉 using namespace std; class visited { private: int number; char *name; public: static int glob; void set mes(char *a); }; void visited::set mes(char *a) { name=new char[strlen(A) +1]; strcpy(name,A) ; number=++glob; } int visited::glob-O; int main() { visited person[10]; int i; char str[8]; for(i=0;i5;i++) { cinstr; person[i] .set mes(str); } coutA.5B.4C.3D.2

以下程序运行后的输出结果是______。includeinclude usingnamespacestd;classY 以下程序运行后的输出结果是______。include <iostream>include <string>using namespace std;class Y;class X{int x;char *strx;public:X(int a, char *str){x=a;strx=new char[strlen(str)+1]strcpy (strx,str);}void show(Y ob);};class Y{prlvate:int y;char *stry;public:Y(int b,char *str){y=b;stry=new char[strlen(str)+1];strcpy(stry,str);}friend void X::show(Y ob);};void X::show{Y ob){cout<<strx<<",",cout<<ob.stry<<endl;}int main{{X a (10, "stringX");Y b (20, "stringY");a. show (b);renurn 0;}

变量a所占的内存字节数是 ______。A.4B.5C.6D.8 union U { char st[4]; int i; long l; }; Struct A{ int c; union U u; }a;

在下列定义中的共用体所占内存字节数是( )。 union { char k[6]; struct { int m; floar f; }a; double d; }b;A.8B.14C.18D.10

以下程序的输出结果是includemain(){ union un{ int i;long k;char c;};struct byte{i 以下程序的输出结果是 #include<stdio.h> main() { union un{ int i; long k; char c;}; struct byte{ int a; long b; union un c;}r; printf("%d\n",sizeof(r));}A.10B.13C.7D.8

有以下程序:include include using namespace std;class Y;class X{private 有以下程序: #include <iostream> #include <string> using namespace std; class Y; class X { private: int x; char *strx; public: X(int a, char *str) { x=a; strx=new char[strlen(str)+1]; strcpy(strx,str); } void show(Y ob) ; }; class Y { private: int y; char *stry; public: Y(int b,char *str) { y=b; stry=new char[strlen(str)+1]; strcpy(stry, str); } friend void X: :show(Y ob) ; }; void X: :show(Y ob) { cout<<strx<<", "; cout<<ob, stry<<end1; } int main ( ) { X a(10,"X"); Y b (20, "Y"); a. show(B) ; return 0; } 执行后的输出结果是( )。A.X,YB.a,bC.X,XD.Y,Y

下列程序的执行结果是______。include union {int i;char c[2]; }; void main() {union 下列程序的执行结果是______。 #include<stdio.h> union { int i; char c[2]; }; void main() { union un x; x.c[0]=10; x.c[1]=1; printf("\n%d",x.i); }A.266B.11C.265D.138

有以下程序:include struct STU{char name[10]; int num; int Score;};main(){struct 有以下程序: #include <stdio.h> struct STU { char name[10]; int num; int Score; }; main() { struct STU s[5]={{"YangSan",20041,703},{"LiSiGuo",20042,580}, {"WangYin",20043,680},{"SunDan",20044,550}, {"Penghua",20045,537}}, *p[5],*t; int i,j; for(i=0;i<5;i++) p[i]=s[i]; for(i=0;i<4;i++) for(j=i+1;j<5;j++) if(p[i]->Score>p[j]->Score) { t=p[i];p[i]=p[j];p[j]=t;} printf("%d%d\n",s[1].Score,p[1]->Score); } 执行后的输出结果是( )。A.550 550B.680 680C.580 550D.580 680

以下程序的输出结果是() includemain(){ union un{int i; long k; char c;};struct by 以下程序的输出结果是( ) # include<stdio.h> main() { union un{int i; long k; char c; }; struct byte{ int a; long b; union un c; } r; printf("%d\n",sizeof(r)); }A.10B.13C.7D.8

若有如下定义和声明: struct s { int m;char ch;double x; union t {char a[6];int b[3];}tt;}ss; 则sizeof(struets)的值是( )A.6B.14C.17D.20

若有如下定义: union aa {int n; char c[9]; float x;}a,b,c; 则下列叙述中不正确的是( )A.union aa是定义的共用体类型B.a,b,c是定义的共用体类型名C.n、c[9]和x是共用体的成员名D.a,b,c是定义的共用体变量名

下列程序的执行结果是______。include union un{ int i;char c[2];};void main(){union 下列程序的执行结果是______。 #include <stdio.h> union un { int i; char c[2]; }; void main() { union un x; x.c[0]=10; x.c[1]=1; printf("\n%d",x.i) }A.266B.11C.265D.138

设有一共用体变量定义如下: union data { long w; float x; int y; char z;}; union data beta; 执行下列语句后,正确的共用体变量beta的值是( )。 beta.w=123456; beta.y=888; beta.x=3.1416; beta.z='x';A.123456B.888C.3.1416D.'X'

有声明union perdata{ int class;char ofice[10];int score;} ;该共用体占据字节数为()A、10B、12C、14D、15

以下程序段的输出结果是()。      union node      {int a;      float b;      Char C[10];};    printf(”%d”,sizeof(union node));

下面的函数声明中,()是“void BC(int a, int b);”的重载函数A、 int BC(int x, int y);B、 void BC(int a, char b);C、 float AA(int a, char b);D、 int BC(int a, int b=0);

下面语句定义了共用体(联合体)变量a,则a占用()个字节。union data { short int i ;char c ; double d;}a;

填空题以下程序段的输出结果是()。      union node      {int a;      float b;      Char C[10];};    printf(”%d”,sizeof(union node));

单选题下面的函数声明中,()是“void BC(int a, int b);”的重载函数A int BC(int x, int y);B void BC(int a, char b);C float AA(int a, char b);D int BC(int a, int b=0);

填空题下面语句定义了共用体(联合体)变量a,则a占用()个字节。union data { short int i ;char c ; double d;}a;

单选题有以下程序:#include #include typedef struct stu{ char name[10]; char gender; int score;}STU;void f(char *name,char gender,int score){ strcpy(name,Qian); gender='f'; score=350;}main(){ STU a={Zhao,'m',290},b; b=a; f(b.name,b.gender,b.score); printf(%s,%c,%d,, a.name, a.gender, a.score); printf(%s,%c,%d, b.name, b.gender, b.score);}程序的运行结果是(  )。AZhao,m,290,Qian,m,290BZhao,m,290,Zhao,m,290CZhao,m,290,Qian,m,350DZhao,m,290,Qian,f,350

单选题public class Score implements Comparable {  private int wins, losses;  public Score(int w, int 1) { wins = w; losses = 1; }  public int getWins() { return wins; }  public int getLosses() { return losses; }  public String toString() {  return “”; }  // insert code here  }  Which method will complete this class?()A public int compareTo(Object o) {/*mode code here*/}B public int compareTo(Score other) {/*more code here*/}C public int compare(Score s1,Score s2){/*more code here*/}D public int compare(Object o1,Object o2){/*more code here*/}