Call constructor from base class : Constructor « Class « C++






Call constructor from base class

Call constructor from base class
  
#include <iostream>
using namespace std;
class IntPair {
public:
  int a;
  int b;
  IntPair(int i, int j) : a(i), b(j) { }
};
class MyClass {
  IntPair nums;
public:
  // Initialize nums object using initialization syntax.
  MyClass(int x, int y) : nums(x,y) { }
  int getNumA() { 
     return nums.a; 
  }
  int getNumB() { 
     return nums.b; 
  }
};
int main()
{
  MyClass object1(7, 9), object2(5, 2);
  cout << "Values in object1 are " << object1.getNumB() <<
          " and " << object1.getNumA() << endl;
  cout << "Values in object2 are " << object2.getNumB() <<
          " and " << object2.getNumA() << endl;
  return 0;
}

           
         
    
  








Related examples in the same category

1.Constructing and Destructing sequence for three level inheritance
2.Parameterized ConstructorsParameterized Constructors
3.string type constructorstring type constructor
4.Use constructor to init member variablesUse constructor to init member variables
5.Use Double value as the constructor parameterUse Double value as the constructor parameter
6.Constructor: different parameter typeConstructor: different parameter type
7.Use automatic conversions to assign new valuesUse automatic conversions to assign new values
8.Constructor with 2 parametersConstructor with 2 parameters
9.Define constructor outside a class definition
10.overloading class constructors
11.Constructor with parameter value checking