更多"下面程序的正确输出是( )。 Publicclasshello "的相关试题:
[单项选择]下面程序输出的结果是什么 ( )
public class Quiz2
public static void main(String args[])
try throw new MyException( );
catch(Exception e)
System.out.println("It’s caught!");
finally
System.out.println("It’s finally caught!");
class MyExeeption extends Exception
A. It’s finally caught!
B. It’s caught!
C. It’s caught!/It’sfinally caught!
D. 无输出
[单项选择]下面程序输出的结果为
#include" iostream.h"
class A
public:
A( ) cout < < "CLASS A" < < end1;
~ A( )
;
class B:public A
public:
B( ) cout < < "CLASS B" < < end1;
~ B( )
;
void main( )
A * p;
p=new B;
B * q;
q=new B;
A) CLASS A
CLASS B
B) CLASS A
CLASS B
CLASS B
C) CLASS A
CLASS B
CLASS A
CLASS B
D) CLASS A
CLASS B
CLASS B
CLASS B
[单项选择]下面程序输出的结果是( )。 #include<iostream> using namespace std; int test(int n1,int n2) {return n1 +n2;} float test (int f1,float f2){return f1-f2;} float test(float x,float y){return(x+y)/2;} float test(float x,int y){return(x+y)*2;} void main( ){ int a1=10; float a2=2.5f; cout<<test(a1,a2); }
A. 12.5
B. 7.5
C. 6.25
D. 25
[单项选择]下面程序输出的结果是( )。
#include <iostream>
using namespace std;
void swap(int &a,int &b)
int temp;
temp=a;
a=b;
b=temp;
void main( )
int x=2;
int y=3;
swap(x,y);
cout<<x<<y;
A. 23
B. 32
C. ab
D. ba
[单项选择]下面程序输出的结果为 #include"iostream.h" class A { public: A( ){cout<<"CLASSA"<<endl;} ~A( ) {} }; class B:public A { public: B( ){cout<<"CLASSB"<<endl;} ~B( ) {} }; void main( ) { A * p; p=new B; B *q; q=new B; }
A. CLASS A CLASS B
B. CLASS A CLASS B CLASS B
C. CLASS A CLASS B CLASS A CLASS B
D. CLASS A CLASS B CLASS B CLASS B
[单项选择]下面程序输出的结果是( )
main( )
struct cmplx
int x;int y; cnum[2]=1,3,2,7;
printf("%d/n",cnum[0].y/cnum[0].x*cnum[1].x);
A. 0
B. 1
C. 3
D. 6
[填空题]执行下面程序输出的是 【15】 。
#include <iostream>
using namespace std;
template <typename T>
T total(T *data)
Ts=0;
while( *data) s+=*data++;
return s;
int main( )
int s[]=1,3,5,7,0,2,4,6,8;
cout<<total(s);
return 0;
[单项选择]下面程序输出的结果为
#include"iostream.h”
class A
{
public:
A( ){cout<<"CLASSA"<<endl;}
~A( ) {}
};
class B:public A
{
public:
B( ){cout<<"CLASS B"<<endl;}
~B( ){}
};
void main( )
{
A*p;
p=new B;
B*q;
q=new B;
}
A. CLASS A CLASS B CLASS B CLASS B
B. CLASS A CLASS B CLASS A CLASS B
C. CLASS A CLASS B CLASS B
D. CLASS A CLASS B
[单项选择]下面程序输出的结果为( )。
#include" iostream.h"
class A
{
public:
A( ) { cout < < "CLASS A" < < end1;}
~ A( ) { }
};
class B:public A
{
public:
B( ){ cout < < "CLASS B" < < end1;}
~ B( ) { }
};
void main( )
{
A * p;
p=new B;
B * q;
q=new B;
}
A. DEHNE POPUP<菜单名>
B. DEFINE MENU<菜单名>
C. DEHNE PAD<菜单名>
D. DEFINE BAR<菜单名>
[单项选择]下面程序输出的结果是
#include<iostream.h>
void main( )
int i;
int a[3][3]=1,2,3,4,5,6,7,8,9;
for(i=0;<3;i++)
cout<<a[2-i][i]<<" ";
A. 1 5 9
B. 7 5 3
C. 3 5 7
D. 5 91
[单项选择]下面程序输出的结果为( )。
#inClUde”iostream.h”
Class A
public:
A( )cout<<“CLASS A”<<endl;
~A( )<);
class B:public A
public:
B( )cout<<”CLASSB”<<endl;
~B( );
void main( )
A*p;
p=new B;
B *q;
q=new B;
A. CLASS A
B. CLASS A
C. CLASS A
D. CLASS A
[单项选择]下面程序输出的结果是( )。
#include<stdio.h>
main( )
char *a="1234";
fun(a);
printf("/n");
fun(char *s)
char t;
if(*s)
t=*S++;fun(s);
else return;
if(t!='/0')
putchar(t);
A. 1234
B. 4321
C. 1324
D. 4231
[填空题]下面程序输出两个字符串对应位置相等的字符。
main( )
char a[]="students",b[]="study";
int i=0;
while(a[i]!=’/0’&&______)
if(a[i]==b[i])printf("%c",______);
else
______;
[单项选择]下面程序输出的结果是______。
main( )
inti=5,j=9,x;
x=(i=ji:(j=7));
printf("/n%d,%d",i,j)
A) 5,7 B) 5,5 C) 语法错误 D) 7,5
[单项选择]下面程序输出的结果是______。
main( )
int i=5,j=9.x;
x=(i==ji:(j==7));
printf("/n%d,%d",i,j);
A. 5,7
B. 5,5
C. 语法错误
D. 7,5