以下程序输出结果为______。 include<iostream> 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;
}