class WhileTests { public static void main(String [] args) { int x = 5; while (++x 〈 3) { --x; } System.out.println("x = " + x); } } 结果是什么?()A、x = 2B、x = 5C、x = 6D、编译失败
class WhileTests { public static void main(String [] args) { int x = 5; while (++x 〈 3) { --x; } System.out.println("x = " + x); } } 结果是什么?()
- A、x = 2
- B、x = 5
- C、x = 6
- D、编译失败
相关考题:
-种核酸外切酶与pApGpUpCpApG -pU -起保温,其水解产物中不含有A.PA +pG +pUpCpApGpUB.PApG +pUpC +pApGpUC.2pA +2pG +2pU +pCD.PApGpUpCpA +pG +pUE.PApGpUpCpApG +pU
以下程序段共有错误()处include using namespaces std;class Sampleprivate:int n;pu 以下程序段共有错误( )处 #include <iostream> using namespaces std; class Sample private: int n; public: Sample(int i) { n=i; } void setvalue(int i) { n=i; } void display() { cout<<"n="<<n<<end1; } }; int main() { const Sample a(l0); a.setvalue(5); a.display(); return 0; }A.1B.2C.3D.4
在交流电路中,三相负载消耗的总功率与各相负载消耗的功率之问的关系是().A.1/P一1/Pu+1/Pv4+1/PwB.P=Pu+Pv+PwC.P=Pu·Pv·PwD.P=(Pu+Pv+Pw)/
请在下列程序中的横线处填写正确的语句。include using namespace std; class Base{ pu 请在下列程序中的横线处填写正确的语句。include<iostream>using namespace std;class Base{public:void fun(){cout<<“Basefun”<<endl;});class Derivde:public Base{public:void fun(){//调用基类的函数fun()cout<<“Derived fun”<<endl;}};
请阅读下述代码,写出程序执行的结果#include iostreamusing namespace std;class CBase{public:virtual void print(){cout "base" endl;}void DoPrint(){print();}};class CChild1: public CBase{public:virtual void print(){cout "child1" endl;}};class CChild2: pu{public:virtual void pri{cout "chil}};void DoPrint(CB{base-DoPrint}void main(){CBase* base =CChild1* childCChild2* childDoPrint(child1DoPrint(child2DoPrint(base);delete base;base = child1;base-print();delete child1;delete child2;}
若有如下程序:includeusing namespaces std;int s=0;class sample,{ static int n;pu 若有如下程序: #include <iostream> using namespaces std; int s=0; class sample, { static int n; public: sample(int i) { n=i; } static void add() { s+=n; } }; int sample::s=0; int main() { sample a(2),b(5); sample::add(); cout<<s<<end1; return 0; } 程序运行后的输出结果是( )。A.2B.5C.7D.3
下面程序的运行结果为( )。 include using namespace std; class A{ pu 下面程序的运行结果为( )。 #include <iostream> using namespace std; class A{ public: A(){cout<<" ";} ~A(){cout<<" ";} } class B:public A{ public: B(){cout<<" ";} ~B(){cout<<" ";} } void main(){ B b; }A.1234B.1324C.1342D.3142
若有如下程序:include using namespaces std;int s=0;class sample {static iht n;pu 若有如下程序: #include <iostream> using namespaces std; int s=0; class sample { static iht n; public: sample(int i) { n=i; } static void add() { s+=n; } }; int sample::s=0; int main() { sample a(2),b(5); sample::add(); cout<<s<<endl; return 0; } 程序运行后的输出结果是A.2B.5C.7D.3
同一地基的临塑荷载Pcr、界限荷载P1/4、极限荷载Pu之间存在的大小关系为( )。 A、Pcr>p1/4>Pu B、Pu>p1/4>Pcr C、Pu>pcr>P1/4 D、P1/4>Pu>Pcr
以下有关功率控制参数的设置,()是正确的。A、L_RXLEV_DL_PU_RXLEV_DL_PB、L_RXLEV_DL_PU_RXLEV_DL_PC、L_RXQUAL_DL_PU_RXQUAL_DL_PD、L_RXQUAL_DL_PU_RXQUAL_DL_P
一种核酸外切酶与pApGpUpCpApG-pU一起保温,其水解产物中不含有()A、PA+pC+pUpCpApGpUB、PApG+pUpC+pApGpUC、2pA+2pG+2pU+pCD、PApGpUpCpA+pG+pUE、PApGpUpCpApG+pU
单选题现有: class WhileTests { public static void main (String [] args) { int X=5; while (++x4) { --x; } System.out.println( "x="+x); } } 结果是什么?()AX=6BX=5CX=2D编译失败
单选题class WhileTests { public static void main(String [] args) { int x = 5; while (++x 〈 3) { --x; } System.out.println("x = " + x); } } 结果是什么?()Ax = 2Bx = 5Cx = 6D编译失败
多选题以下有关功率控制参数的设置,()是正确的。AL_RXLEV_DL_PU_RXLEV_DL_PBL_RXLEV_DL_PU_RXLEV_DL_PCL_RXQUAL_DL_PU_RXQUAL_DL_PDL_RXQUAL_DL_PU_RXQUAL_DL_P