【单选题】Miss Li often looks after ____(he ).
【多选题】public abstract class Shape { private int x; private int y; public abstract void draw(); public void setAnchor(int x, int y) { this.x = x; this.y = y; } } Which two classes use the Shape clas...
A.
public class Circle implements Shape { private int radius; }
B.
public abstract class Circle extends Shape { private int radius; }
C.
public class Circle extends Shape { private int radius; public void draw(); }
D.
public abstract class Circle implements Shape { private int radius; public void draw(); }
E.
public class Circle extends Shape { private int radius;public void draw() {/* code here */} }
F.
public abstract class Circle implements Shape { private int radius;public void draw() { / code here */ } }
【单选题】某商场发布广告称,自广告发布之日起10日内购物满2000元者,有资格参加本商场举办的抽奖活动,中奖者一等奖为25英寸彩电一台,此外还规定了二等奖和三等奖的奖品,中奖当日现场领取奖品。该广告为要约邀请。( )
【简答题】编写程序: 通过键盘输入 10 整数在一维数组中,并且把该数组中所有为偶数的数,放在另一个数组中。
【单选题】若有以下程序: #include <iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa,( ) { cout<<a<<', '; } }; class B { private: int b; public: void setb(int x) { b...