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车辆段 vehicle depot
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考题
阅读以下说明和Java代码，填充程序中的空缺，将解答填入答题纸的对应栏内。【说明】某应急交通控制系统(TraficControIS，stem)在红灯时控制各类车辆(Vehicle)的通行，其类图如图6-1所示，在紧急状态下应急车辆在红灯时可通行，其余车辆按正常规则通行。下面的Java代码实现以上设计，请完善其中的空缺。【Java代码】abstract class Vehiclepublic Vehicle () { }abstract void run};interface Emergency {(1) ;(2) ；}class Car extends Vehicle {public Car () { }void run () { /*代码略*/ }};class Truck extends Vehicle {public Truck () { }void run () { /*代码略*/ }class PoliceCar (3)boolean isEmergency = false;public PoliceCar () { }public PoliceCar(boolean b) { this . isEmergency =b; }public boolean isEmergent () { return (4); }public void runRedLight () { /*代码略*/ }}/*类Ambulance. FireEngine实现代码略*/public class TraficControISystem {／。交通控制类。／private Vehicle[ ]V=new Vehiele [24];int numVehicles;public void control() {for (int i=0; inumVehicles; i++) {if (v[i] instanceof Enu rgency ((Emergency)V [i])isEmergent()) {( 5 ) . runRedLigh: ( ) ;}else(6).run( )}}void add (Vehicle vehicle) { v[numVehicles++]=vehicle;）／*添加车辆*／void shutDown()（／*代码略*/}public static void main (Stri.ng [ ] args) {TraficControlSystem tcs = new TraficControlSystem() ;tcs . add (new Car (） ;tcs .add (new PoliceCar () ;tcs .add (new Ambulance () ;tcs . add (new Ambulance (true》 ;tcs . add (new FireEngine ( true》 ;tcs . add (new Truck () ;tcs . add (new FireEngine ( ) ;tcs . control () ;tcs . shutDown () ;}}
考题
阅读以下说明和Java代码，填充程序中的空缺，将解答填入答题纸的对应栏内。
[说明]
某应急交通控制系统(TraficControlSystem)在红灯时控制各类车辆(Vehicle)的通行，其类图如下图所示，在紧急状态下应急车辆在红灯时可通行，其余车辆按正常规则通行。
下面的Java代码实现以上设计，请完善其中的空缺。
[Java代码]abstract class Vehicle{public Vehicle(){ }abstract void run();};interface Emergency{ ______; ______;};class Car extends Vehicle{public Car(){ }void run(){ /*代码略*/ }};Class Truck extends Vehicle{public Truck(){ }void run() { /*代码略*/ }};class PoliceCar ______ {boolean isEmergency= false;public PoliceCar(){ }public PoliceCar(boolean b) {this.isEmergency=b; }public boolean isEmergent(){ return ______ }public void runRedLight(){ /*代码略*/ }};/*类Ambulance、FireEngine实现代码略*/public class TraficControlsystem { /*交通控制类*/private Vehicle[]V=new Vehicle[24];int numVehicles;public void control(){for {int i=0; i＜numVehicles; i++){if(V[i]instanceof Emergency}else______. run();}}void add(Vehicle vehicle){ v[numVehicles++]=vehicle;}/*添加车辆*/void shutDown(){/*代码略*/}public static void main(String[]args){TraficC0ntrolSystem tcs=new TraficControlSystem();tcs.add(new Car());tcs.add(new PoliceCar());tcs.add(new Ambulance());tcs.add(new Ambulance(true));tcs.add(new FireEngine(true));tcs.add(new Truck());tcs.add(new FireEngine());tcs.control();tcs.shutDown();}}
考题
阅读以下说明和C++代码，填充代码中的空缺，将解答填入答题纸的对应栏内。
[说明]
某应急交通控制系统(TraficControlSystem)在红灯时控制各类车辆(Vehicle)的通行，其类图如下图所示，在紧急状态下应急车辆红灯时也可通行，其余车辆按正常规则通行。
下面的C++代码实现以上设计，请完善其中的空缺。
[C++代码]#include＜typeinfo＞#include＜iostream＞using namespace std;class Vehicle {/*抽象基类,车辆*/public:virtual void run()=0;};class Emergency { /*抽象基类,可在红灯时通行的接口,函数均为纯虚函数*/public:______=0; //isEmergent()函数接口______=0; //runRedLight()函数接口};clasS Car:public Vehicle{public:～Car(){}void run(){/*代码略*/ ));class Truck:public Vehicle{public:～Truck(){}void run(){ /*代码略*/ });class PoliceCar:______ {private:bool isEmergency;public:PoliceCar():Car(),Emergency() { this-＞isEmergency=false;}PoliceCar(bool b):Car(),Emergency() {this-＞isEmergency=b;}～P0liceCar(){ }bool isEmergent(){ return ______}void runRedLight() { /*代码略*/ });/*类Ambulance、FireEngine实现代码略*/class TraficControlsystem { /*交通控制类*/private:Vehicle*v[24]; int numVehicles;/*在构造函数中设置初始值为0*/public:void control(){ //控制在紧急情况下应急车辆红灯通行,其他情况按常规通行for(int i=0;i＜numVehicles; i++){Emergency *ev=dynamic_cast＜Emergency*＞(v[i]);if(ev !=0) ______-＞runRedLight();else ______-＞run();}}void add(Vehicle*vehicle) { v[numVehicles++] =vehicle; }/*添加车辆*/void shutDown() {for(int i=0; i＜numVehicles; i++) { delete v[i];} }};int main(){TraficControlSystem*tcs=new TraficControlSystem;tcs-＞add(new Car()); tcs-＞add(new PoliceCar());tcs-＞add(new Ambulance()); tcs-＞add(new Ambulance(true));tcs-＞add(new FireEngine(true));tcs-＞add(new FireEngine());tcs-＞add(new Truck());tcs-＞contr01();tcs-＞ShutDown();delete tcs;}
考题
（）is the volume for loading goods of the vehicle.A、Vehicle tonnageB、Vehicle sizeC、Vehicle capacityD、Available Vehicle capacity
考题
单选题（）is the volume for loading goods of the vehicle.A
Vehicle tonnageB
Vehicle sizeC
Vehicle capacityD
Available vehicle capacity
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