public class Mycircle { public double radius; public double diameter; public void setRadius(double radius) this.radius = radius; this.diameter= radius * 2; } public double getRadius() { return radius; } Which statement is true?()
已定义下列变量: int n; float f; double df; df=10; n=2; 下列语句正确的是()
1)#include < iostream > 2)#include < cmath > 3)using namespace std; 4)double max(double x,doubley) 5){ 6)if(x>y) 7)return x; 8)else 9)return y; 10)} 11)int main() 12){ 13)doublea,b,c; 14)cout <<" input two numbers:/n"; 15)cin >> a >> b; 16)c=max(a,b); 17)cout <<" the squart of max imum="<< sqrt( c ); 18)} 执行第15行时,若输入“8空格9回车”,则第4行中,y的值是:()
A double suction centrifugal pump impeller has been installed in the reverse direction, and will ().
1)#include < iostream > 2)#include < cmath > 3)using namespace std; 4)double max(double x,doubley) 5){ 6)if(x>y) 7)return x; 8)else 9)return y; 10)} 11)int main() 12){ 13)doublea,b,c; 14)cout <<" input two numbers:/n"; 15)cin >> a >> b; 16)c=max(a,b); 17)cout <<" the squart of max imum="<< sqrt( c ); 18)} 第13行中定义了几个变量:()
英译中:Double pallets handling
The double bottom in a vessel is a space comprised of ()
1)#include < iostream > 2)# include < math.h > 3)using namespace std; 4)double max(double x,doubley); 5)void main() 6){ 7)double a,b,c; 8)cout << " input two numbers:/n"; 9)cin>>a>>b; 10)c=max(a,b); 11)cout<< " the squart of max imum="<< sqrt(c); 12)} 13)double max(doublex,doubley) 14){ 15)if(x>y) 16)returnx; 17)else 18)returny; 19)} 该程序第4行的作用是()。
1. public class Employee { 2. String name; 3. double baseSalary; 4. Employee(String name, double baseSalary) { 5. this.name = name; 6. this.baseSalary = baseSalary; 7. } 8. } And: 1. public class Salesperson extends Employee { 2. double commission; 3. public Salesperson(String name, double baseSalary, 4. double commission) { 5. // insert code here 6. } 7. } Which code, inserted at line 7, completes the Salesperson constructor?()
1)#include < iostream > 2)#include < cmath > 3)using namespace std; 4)double max(double x,doubley) 5){ 6)if(x>y) 7)return x; 8)else 9)return y; 10)} 11)int main() 12){ 13)doublea,b,c; 14)cout <<" input two numbers:/n"; 15)cin >> a >> b; 16)c=max(a,b); 17)cout <<" the squart of max imum="<< sqrt( c ); 18)} 执行第15行时,若输入“8空格9回车”,则执行完第9行后返回的值是:()