阅读下列代码 public class Test 2005{ public static void main(String args[]){ System.out.println((3＞2)?4:5)； } } 其运行结果是A．2B．3C．4D．5
阅读下列代码 public class Test 2005{ public static void main(String args[]){ System.out.println((3＞2)?4:5)； } } 其运行结果是
A．2
B．3
C．4
D．5
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使用VC6打开考生文件夹下的工程test17_1，此工程包含一个源程序文件test17_1．唧，但该程序运行有问题，请改正程序中的错误，使程序的输出结果如下：Vehicle messageCar messageVehicle message源程序文件test17_1.cpp 清单如下:include ＜iostream.h＞class vehicle{int wheels;float weight;public:/***************** found *****************/void message(void){ cout＜＜"Vehicle message\n";}};class car:public vehicle{int passenger_load;public:/***************** found *****************/void message (void){cout＞＞"Car message\n";}};class truck:public vehicle{int passenger_load;float payload;public:int passengers(void){return passenger_load;}};void main(){vehicle * unicycle;unicycle=new vehicle;/***************** found *****************/unicycle.message()delete unicycle;unicycle=new car;unicycle-＞message();delete unicycle;unicycle=new truck;unicycle-＞message();delete unicycle;}
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