网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
有如下程序:includeusing namespace std;class TestClass1{public:TestClass1 (){cou

有如下程序: #include<iostream> using namespace std; class TestClass1 { public: TestClass1 (){cout<<"TestClass1";} ~TestClass1 (){cout<<"~TestClass1";} }; class TestClass2:public TestClass1 { TestClass1 *p; public: Testclass2(){cout<<"TestClass2";p=new TestClass1();} ~TestClass2(){cout<<"~TestClass2";delete p;} ); int main() { TestClass2 obj; return 0; } 执行这个程序的输出结果是( )。

A.TestClass2TestClass1TestClass1~TestClass1~TestClass2~TestClass1

B.TestClass1TestClass2TestClass1~TestClass2~TestClass1~TestClass1

C.TestClass2TestClass1TestClass1~TestClass2~TestClass1~TestClass1

D.TestClass1TestClass2TestClas1~TestClass1~TestClass2~TestClass1


参考答案

更多 “ 有如下程序:includeusing namespace std;class TestClass1{public:TestClass1 (){cou 有如下程序: #include<iostream> using namespace std; class TestClass1 { public: TestClass1 (){cout<<"TestClass1";} ~TestClass1 (){cout<<"~TestClass1";} }; class TestClass2:public TestClass1 { TestClass1 *p; public: Testclass2(){cout<<"TestClass2";p=new TestClass1();} ~TestClass2(){cout<<"~TestClass2";delete p;} ); int main() { TestClass2 obj; return 0; } 执行这个程序的输出结果是( )。A.TestClass2TestClass1TestClass1~TestClass1~TestClass2~TestClass1B.TestClass1TestClass2TestClass1~TestClass2~TestClass1~TestClass1C.TestClass2TestClass1TestClass1~TestClass2~TestClass1~TestClass1D.TestClass1TestClass2TestClas1~TestClass1~TestClass2~TestClass1 ” 相关考题
考题 以下程序输出结果为______。 include using namespace std; class TestClass 1 { publi 以下程序输出结果为______。include<iostream>using namespace std;class TestClass 1{public:TestClass1(){}TestClass1(int i){x1=i;}void dispa(){cout<<"x1="<<x1<<",";}private:int x1;}:class TestClass2:public TestClass1{public:TestClass2(){}TestClass2(int i):TestClass1(i+10){x2=i:}void dispb(){dispa();cout<<"x2="<<x2<<end1;}private:int x2:}:int main(){TestClass2 b(2):b.dispb();return 0;}

考题 有下列程序:include using namespace std; class TestClass1 { public: TestClass1(){ 有下列程序:include<iostream>using namespace std;class TestClass1{public:TestClass1(){cout<<"A";}};class TestClass2<public:TestClass2(){cout<<"B";}};class TestClass3:public TestClass1{TestClass2 b;

考题 有如下程序:includeusing namespace std;class TestClass{private;char c;public;Tes 有如下程序: #include<iostream> using namespace std; class TestClass { private; char c; public; TestClass (char n):c(n){} ~TestClass () { cout<<c; } }; class TestClass1:public TestClass { Private: char c; public: TestClass1(char n):TestClass (n+1),c(n){} ~TestClass1() { cout<<c; } }; int main() { TestClass1 obj('x'); return 0; } 执行上面的程序输出( )。A.xyB.yxC.xD.y

考题 有如下程序:includeusing namespace std;{TestClass(){cout 有如下程序: #include<iostream> using namespace std; { TestClass(){cout<<"BB";fun()} void fun(){cout<<"Bf";} }; class TestClass1:public TestClass { public: TestClass1(){cout<<"DD";} void fun(){cout<<"Df";} }; int main() {TestClass1 d; return 0;} 执行上面的程序将输出( )。A.BBBfDDB.BBDfDDDfC.DDD.DDBBBf

考题 有如下类说明: class TestClass{ int x; public: TestClass(int n){x=n;} }; class TestClass1:public TestClass{ int y; public: TestClass1(int a,int b); }; 在构造函数TestClass1的下列定义中,正确的是( )。A.TestClass1::TestClass1 (int a,int b):x(a),y(b){}B.TestClass1::TestClass1 (int a,int b):TestClass(a),y(b){}C.TestClass1::TestClass1 (int a,int b):x(a),TestClass1(b){}D.TestClass1::TestClass1 (int a,int b):TestClass(a),TestClass1(b){}

考题 下列程序输出结果为: include using namespace std; class TestClass1 { public: Test 下列程序输出结果为:include<iostream>using namespace std;class TestClass1{public:TestClass1(){}TestClass1(int i){x1=i;}void dispa(){cout<<"x1="<<x1<<",";}private:int x1;};class TestClass2:public TestClass1{public:TestClass2(){}TestClass2(int i):TestClass1(i+10){x2=i;}void dispb(){dispa();cout<<"x2="<<x2<<endl;}private:int x2;};int main(){TestClass2 b(2);b.dispb();return 0;}

考题 有如下程序:includeusing namespace std;Class TestClass{int a;public:TestClass(in 有如下程序: #include<iostream> using namespace std; Class TestClass {int a; public: TestClass(int x){a=x;} void show(){cout<<a;}}; class TestClass1:public TestClass {int b; public: TestClass1(int i):TestClass(i+1),b(i){} voiA.5B.1C.0D.2

考题 若有如下程序:includeusing namespace std;class TestClass{public:void who() {cout 若有如下程序: #include<iostream> using namespace std; class TestClass { public: void who() {cout<<"TestClass"<<endl;} }; class TestClass1:public TestClass { public: void who(){cout<<"TestClass1"<<endl;} }; int main() { TestClass *p; TcstClass1 obj1; p=obj1; p->who(); return 0; } 则该程序运行后的输出结果是( )。A.TestClass1B.TestClassC.0D.无输出

考题 有如下程序:includeusing namespace std;classTestClass{protected:TestClass(){cout 有如下程序: #include<iostream> using namespace std; classTestClass{ protected: TestClass(){cout<<'x';} TestClass(char c){cout<<c;} }; class TestClass1:public TestClass{ public: TestClass1(char C) {cout<<c;} }; int main(){ TestClass1 d1('y'); return 0; } 执行这个程序,屏幕上将显示输出( )。A.yB.yxC.xyD.yy