更多"[单选题]下面代码的输出结果为
int func(int x)
{ "的相关试题:
[单选题]阅读下面代码，输出结果为（）
int main()
{
char str1[] = "abc";
char str2[] = "abc";
const char str3[] = "abc";
const char str4[] = "abc";
const char *str5 = "abc";
const char *str6 = "abc";
cout<A.
true
false
true
B.
false
true
true
C.
false
false
false
D.
false
false
true
[单选题]下面代码的输出结果是:()
Public class Main {
Public static void main(String[] args) {
Int n1 = 1;
Int n2 = 2;
N1 = n1 + n2;
N2 = n1 - n2;
N1 = n1 - n2;
System.out.println(n1 + "," + n2);
}
}
A. 1,2
B. 2,1
C. 1,3
D. 3,2
[单选题]下面程序输出的结果是( )。
Int main()
{ int i;
int a[3][3]={1,2,3,4,5,6,7,8,9};
for(i=0;i<3;i++)
cout <
return 0;
}
A. 1 5 9
B. 7 5 3
C. 3 5 7
D. 5 9 1
[单选题]
(单选题)下面的代码输出的结果是()
Var name="Tom";
Function foo(){
Console.log(name);
Var name="Jerry";
Console.log(name);
}
Foo();
A.undefined
"Jerry"
B."Tom"
"Jerry"
C."Tom"
Undefined
D."Jerry"
"Jerry"
[单选题]【单选题】
(单选题)下面的代码输出的结果是()
Var name="Tom";
Function foo(){
Console.log(name);
Var name="Jerry";
Console.log(name);
}
Foo();
A.undefined
"Jerry"
B."Tom"
"Jerry"
C."Tom"
Undefined
D."Jerry"
"Jerry"
[单选题] 以下代码的输出结果是()
Int x = 10;
X = x++ +10;
System.out.println(x);
A.11
B.10
C.21
D.20
[单选题]假设今天是2006年4月1日星期六,请问以下javascript代码输出结果是：( )
var time = new Date( );
document.write(time.getMonth( ));
A.3
B.4
C.5
D.2
[单选题]分析下面的JavaScript代码段，输出结果是( )
var mystring="I am a student";
a=mystring.charAt(9);
document.write(a);
A.I am a st
B.U
C.Udent
D.T
[单选题]分析下面的 Javascript 代码段，输出结果是（)
var mystring=”I am a student”;
var a=mystring.substring(9,13);
document.write(a);
A.stud
B.tuden
C.uden
D.udent
[单选题]执行下列代码，程序的输出结果是（用下划线表示空格）：( )
int a=29，b=100；
cout <A.29_100
B._29_100
C.29100
D._29100
[简答题]写出下面程序运行时的输出结果。
Int i = 1 , sum = 0 ;
While ( true )
（
Sumn + = i ;
I++;
If ( i > 1 0 ) break ;
）
Console . WriteLine ( sum ) ;
[单选题]分析下面的 Javascript 代码段，输出结果是（）
var s1=parseInt(“101 中学”);
document.write(s1);
A.NaN
B.101 中学
C.101
D.出现脚本错误
[单选题]下面程序的输出结果是( )
Int i=0,j=0,a=6;
If((++i>0)||(++j>0)) a++;
Printf("i=%d,j=%d,a=%d\n",i,j,A.;
A.i=0,j=0,a=6
B.i=1,j=0,a=7
C.i=1,j=1,a=6
D.i=1,j=1,a=7
[单选题]现有如下程序,则程序的输出结果为( )。
Int f(int
A,int b)
{ int c;
if(a>0&&a<10) c=(a+b)/2;
else c=a*b/2;
return c;
}
Int main()
{ int a=8,b=20,c;
c=f(a,b);
cout << c << endl;
return 0;
}
A. 随机数
B. 80
C. 28
D. 14
[单选题]下列代码的输出结果是 ： （ ）
class Parent{
void printMe() {
System.out.println("parent");
}
}；
class Child extends Parent {
void printMe() {
System.out.println("child");
}
void printall() {
super.printMe();
this.printMe();
printMe();
}
}
public class Test_this {
public static void main(String args[]) {
Child myC=new Child();
myC.printall();
}
}
A.parent
child
child
B.parent
child
parent
C.parent
child
D.编译错误
[单选题]下面代码执行结果为（）
class A
{
public:
void B()
{
cout<<"want func ptr";
}
};
int main()
{
void (A::*func)() = &A::B;
A a;
(a.*func)();
return 0;
}
A.want func ptr
B.编译错误，A类中没有成员*func函数
C.没有任何输出
D.不能A：：B取地址
[单选题]以下程序的输出结果是( )。
Int f()
{ static int i=0;
int s=1;
s+=i; i++;
return s;
}
Int main()
{ int i,a=0;
for(i=0;i<5;i++)
a+=f();
cout << a << endl;
return 0;
}
A. 20
B. 24
C. 25
D. 15
[单选题]分析下面的JavaScript代码段，输出的结果是( )。
emp=new Array(5);
emp[1]=1;
emp[2]=2;
document.write(emp.length);
A.2
B.3
C.4
D.5
[单选题]阅读以下代码，输出结果为（）
class A
{
public:
virtual void a()=0;
virtual ~A(){}
};
class AA:public A
{
public:
void a()
{
cout<<"nihao 2\n";
}
~AA()
{
cout<<"delete AA \n";
}
};
class AAA:public AA
{
public:
void a()
{
cout<<"nihao 3 \n";
}
~AAA()
{
cout<<"delete AAA \n";
}
};
class B
{
public:
A *b(int kind)
{
if(kind == 1)
return new AA;
else
return new AAA;
}
~B()
{
cout<<"delete B\n";
}
};
int main()
{
B *bb = new B;
A *aa = bb->b(1);
aa->a();
aa = bb->b(2);
aa->a();
delete aa;
delete bb;
return 0;
}
A.
nihao2
nihao3
delete AA
delete AAA
delete B
B.
nihao3
nihao3
delete AAA
delete AA
delete B
C.
nihao2
nihao2
delete AAA
delete AA
delete B
D.
nihao2
nihao3
delete AAA
delete AA
delete B
