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发布时间:2024-05-27 02:34:35

[单项选择]有以下程序:
Class Date
public:
Date(int y,int m,int d);
year=y;
month=m;
day=d;
Date(int y=2000)
year=y;
month=10;
day=1;)
Date(Date &d)
year=d.year;
month=d.month;
day=d.day;
void print( )
cout<<year<<“.”<<month<<“.”<<day<<endl;
private:
int year,month,day;;
Date fun(Date d)
Datetemp;
temp=d;
return temp;
int main( )
Date date1(2000,1,1),date2(0,0,0);
Date date3(datel);
date2=fun(date3);
return 0;
程序执行时,Date类的拷贝构造函数被调用的次数是( )。
A. 2
B. 3
C. 4
D. 5

更多"有以下程序: Class Date public: Date(i"的相关试题:

[单项选择]有以下程序:
Class Date
public:
Date(int y,int m,int d);
year=y;
month=m;
day=d;
Date(int y=2000)
year=y;
month=10;
day=1;)
Date(Date &d)
year=d.year;
month=d.month;
day=d.day;
void print( )
cout<<year<<“.”<<month<<“.”<<day<<endl;
private:
int year,month,day;;
Date fun(Date d)
Datetemp;
temp=d;
return temp;
int main( )
Date date1(2000,1,1),date2(0,0,0);
Date date3(datel);
date2=fun(date3);
return 0;
程序执行时,Date类的拷贝构造函数被调用的次数是( )。
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序:
class Date

public:
Date(int y, int m, int d);
year = y;
month = m;
day = d;
Date(int y = 2000)
year = y;
month = 10;
day = 1;
Date(Date &d)

year = d.year;
month = d.month;
day = a.day;

void print( )
cout<<year<<"."<<month<<"."<<day<<end1;

private:
int year, month,day;
;
Date fun(Date d)
Date temp;
temp = d;
return temp;

int main( )

Date date 1 (2000,1,1),date2(0,0,0);
Date date3(date 1);
date2 = fun(date3);
return 0;

程序执行时,Date 类的拷贝构造函数被调用的次数是
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序: class Date { public: Date(int y,int m,int D) ; { year =y; month=m; day=d; } Date(int y=2000) { year=y; month=10; day=1; } Date(Date &D) { year=d.year; month=d.month; day=d.day; } void print ( ) { cout<<year<<"."<<month<<"."<<day<<end1; } private: int year,month,day; }; Date fun(Date D) { Date temp; temp=d; return temp; } int main( ) { Date date1(2000,1,1),date2(0,0,0); Date date3(date1); date2=fun(date3); return 0; } 程序执行时,Date类的拷贝构造函数被调用的次数是
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序:
Class Date

public:
Date(int y,int m,mt d);

year=y;
month=m;
day=d;

Date(int y=2000)

year=y;
month=10;
day=1;

Date(Date &d)

year=d.year;
month=d.month;
day=d.day;

Void print( )

cout<<year<<"."<<month<<"."<<day<<endl;

private:
int year,month,day;

Date fun(Date d)

Date temp;
temp=d;
return temp;

mt main( )

Date date1(2000,1,1),date2(0,0,0);
Date date3(datel);
date2=fun(date3);
return 0;

程序执行时,Date类的拷贝构造函数被调用的次数是( )。
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序:

class Date



public:

Date(int y,int m,int d);



year=y;

month=m

day=d;



Date(int y=2000)



year=y;

month=10;

day=1;



Date(Date &d)



year=d.year;

month=d.month;

day=d.day;



void print( )



cout<<year<<"."<<month<<"."<<day<<endl;



private:

int year,month,day;

;

Date fun(Date d)



Date temp;

temp=d;

return temp;



int main( )



Date datel(2000,1,1),date2(0,0,0);

Date date3(datel);

date2=fun(date3);

return 0;



程序执行时,Date类的拷贝构造函数被调用的次数是
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序: Class Date { public: Date(int y,int m,mt d); { year=y; month=m; day=d; } Date(int y=2000) { year=y; month=10; day=1; } Date(Date &d) { year=d.year; month=d.month; day=d.day; } Void print( ) { cout<<year<<"."<<month<<"."<<day<<endl; } private: int year,month,day; }; Date fun(Date d) { Date temp; temp=d; return temp; } mt main( ) { Date date1(2000,1,1),date2(0,0,0); Date date3(datel); date2=fun(date3); return 0; } 程序执行时,Date类的拷贝构造函数被调用的次数是( )。
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序: class Date { public: Date(int y,int m,int d); { year=y; month=m day=d; } Date(int y=2000) { year=y; month=10; day=1; } Date(Date &d) { year=d.year; month=d.month; day=d.day; } void print( ) { cout<<year<<"."<<month<<"."<<day<<endl; } private: int year,month,day; }; Date fun(Date d) { Date temp; temp=d; return temp; } int main( ) { Date datel(2000,1,1),date2(0,0,0); Date date3(datel); date2=fun(date3); return 0; } 程序执行时,Date类的拷贝构造函数被调用的次数是
A. 2
B. 3
C. 4
D. 5
[单项选择]有以下程序:
class Date

public:
Dare(int y,int m,int d);

year=y;
month=m;
day=d;

Date(int y=2000)

year=y;
month=10;
day=1;

Date(Date &d)

year=d.year;
month=d.month;
day=d.day;

void print( )

cout<<year(<"."<<month<<"."<<day<<end1;

private:
int year,month,day;

Date fun(Date d)

Date temp;
temp=d;
return temp;

int main( )

Date date1(2000,1,1),date2(0,0,0);
Date date3(date1);
date2=fun(date3);
return 0;

程序执行时,Date类的拷贝构造函数被调用的次数是( )。
A. 2
B. 3
C. 4
D. 5
[单项选择]有如下程序
public class Test

int a,b;
Test ( )

a = 100;
b = 200;

Test(int x, int y)

a = x;
b = y;

public static void main(String args[])

Test Obj1 = new Test(12,45);
System.out.println("a = "Obj1.a+" b = "+Ob31.B) ;
Test Obj1 = new Test( );
System.out.println("a = "Obj1.a+" b = "+Obj1.B) ;


程序的运行结果为( )。
A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45
[单项选择]下面程序段的输出结果为
public class Test

int a, b;
Test( )

a=100;
b=200;

Test(int x,int y)

a=x;
b=y;

public static void main(String args[])

Test Obj1=new Test(12,45);
System.out.println("a=+Obj1.a+" b="+Obj1.B) ;
Test Obj2=new Test( );
System.out.println("="+Obj2.a+" b="+Obj2.B) ;


A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45
[单项选择]下面程序段的输出结果为
public class Test

int a,b;
Test( )

a=100;
b=200;

Test(int x,int y)

a=x;
b=y;

public static void main(String args[])

Test Objl=new Test(12,45);
System.out.println("a="+objl.a+" b="+Objl.b);
Test Obj2=new Test( );
System.out.println("a="+Obj2.a+" b="+Obj2.b);


A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45

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