以下程序的执行结果是______。 #include＜iostream.h＞ class Sample { int n； public： Sample() {} Sample (int i (n=i；) void add (Sample &s1,Sample s2) { this-＞n=sl.n+=s2.n； } void disp() {cout＜＜" n="＜＜ n ＜＜end1：} } void main () { Sample sl(2)， s2(5)，s3： s3．add(s1，s2)； s1．disp() s2．disp()： s3．disp()；

下面的代码实现一个简单的Applet： import java.applet.Applet； import java.awt.*； public class Sample extends Applet { private String text="Hello World"； public void init() { add(new Label(text))； } public Sample(String string) { text=string； } } 通过下面的HTML文件访问： ＜html＞ ＜title＞Sample Applet＜/title＞ ＜body＞ ＜applet code="Sample.class"width=200 height=200＞＜/applet＞ ＜/body＞ ＜/html＞ 当编译和运行该小程序时会出现什么结果，请选择正确的答案。( ) A: 将会出现“Hello World" B: 将会产生一个运行时错误 C: 什么都没有 D: 产生一个编译时错误

下列程序的运行结果是 [12] 。 include ＜iostream. h＞ class Sample int x,y; public: Sample() x=y=0; Sample(int a, int b) x=a;y=b; void disp() cout＜＜" x=" ＜＜x＜＜" , y="＜＜y＜＜end1; ; void main() Sample s1, s2(1, 2); s1. disp0; s2. disp ();

Counter sample can also be called ( ) A: duplicate sample B: sealed sample C: return sample D: reference sample

如有下列类定义:()class()sample(){()int()n;()public:()sample()(int()i=0):n(i){()}()void()setValue(int()n0);()};()下列关于setValue成员函数的实现中,正确的是()。A.()sample::setValue(int()n0){n=n0;}()B.()void()sample::setValue(int()n0){n=n0;}()C.()void()setValue(int()n0){n=n0;}()D.()setValue(int()n0){n=n0;}

有如下类声明: class SAMPLE{ int n; public: SAMPLE (int i):n(i) { } void setValue(int n0); };下列关于setValue成员函数的定义中,正确的是( )。 A: void setValue(int n0){ n=n0; } B: setValue(int n0){ n=n0; } C: void SAMPLE::setValue(int n0){ n=n0; } D: SAMPLE::setValue(int n0){ n=n0; }

有如下类声明：Class sample{int n;public:void setvalue(int n0=0);};下列在类说明体外定义成员函数setvalue正确的是？ A: void setvalue(int n0) {n=n0;} B: sample::setvalue(int n0) {n=n0;} C: void sample::setvalue(int n0=0) {n=n0;} D: void sample::setvalue(int n0) {n=n0;}

Counter<br/>sample can also be called _____________.() A: duplicate<br/>sample B: sealed<br/>sample C: confirmed<br/>sample D: contracted<br/>sample

The sample made by the seller according to the buyer’s, and then sent to and confirmed by the buyer is called __________. A: duplicate sample B: returning sample C: original sample D: copy sample

In international trade, according to supplier of the sample, sales by sample can be divided into A: Sales by Seller’s Sample B: Sales by Buyer’s Sample C: Sales by Counter Sample D: Sale by Descriptions or Illustrations E: Sales by Reference Sample