![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
分析下列程序段,写出程序运行结果()s=1for n=1 to 3s=s+nprint snext
A.1 4 7
B.4 7 10
C.2 4 6
D.2 4 7
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
D、2 4 7
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1 4 7
B.4 7 10
C.2 4 6
D.2 4 7
D、2 4 7
A.10
B.30
C.1030
D.3010
写出程序运行结果。
classPoint{
intx,y;
Point(intx,inty){
this.x=x;
this.y=y;
System.out.println("父类构造函数被调用!");
}
}
classCircleextendsPoint{
intradius;
Circle(intr,intx,inty){
super(x,y);
this.radius=r;
System.out.println("子类构造函数被调用!");
}
}
publicclasstestInherence{
publicstaticvoidmain(Stringargs[]){
Circlec1=newCircle(2,2,2);
}
}
运行结果:
class A
{
int a;
A(int b)
{a=b;}
void show()
{System.out.println(“a=”+a);}
}
public class Class1
{
public static void main (String args[])
{
A bj=new A(12345);
boolean b=false;
char ch=97;
obj.show();
System.out.println(“b=”+b+”/tch=”+ch);
}
}
阅读以下程序,填写运行结果()。def f(n): s='' #此处''为空字符串 for i in range(0,n): s+=str(i) print(s) f(4)
阅读以下程序,填写运行结果()。def f(m): s=str(m) if s==s[::-1]: return True else: return False print(f(12345))
阅读以下程序,填写运行结果()。def f(m,n): s='' #此处''为空字符串 for i in range(m,n): s+=str(i) return s print(f(3,5)+f(1,4))
运行以下程序,输出结果为()。s='I like purple flowers' lst1=s.split() lst2=[len(i) for i in lst1] lst 2.sort(reverse=True) print(lst2[0])