Pass parameter to two base classes : base class « Class « C++ Tutorial

Home
C++ Tutorial
1.Language Basics
2.Data Types
3.Operators statements
4.Array
5.Development
6.Exceptions
7.Function
8.Structure
9.Class
10.Operator Overloading
11.Pointer
12.File Stream
13.template
14.STL Introduction
15.string
16.vector
17.list
18.bitset
19.set multiset
20.valarray
21.queue stack
22.deque
23.map multimap
24.STL Algorithms Modifying sequence operations
25.STL Algorithms Non modifying sequence operations
26.STL Algorithms Binary search
27.STL Algorithms Sorting
28.STL Algorithms Merge
29.STL Algorithms Min Max
30.STL Algorithms Iterator
31.STL Algorithms Heap
32.STL Algorithms Helper
C / ANSI-C
C Tutorial
C++
Visual C++ .NET
C++ Tutorial » Class » base class 
9.17.6.Pass parameter to two base classes
#include <iostream>
using namespace std;

class base1 {
protected:
  int i;
public:
  base1(int x) { 
     i=x; 
     cout << "Constructing base1\n"
  }
  ~base1() { 
     cout << "Destructing base1\n"
  }
};

class base2 {
protected:
  int k;
public:
  base2(int x) { 
     k=x; 
     cout << "Constructing base2\n"
  }
  ~base2() { 
     cout << "Destructing base2\n"
  }
};

class derived: public base1, public base2 {
  int j;
public:
  derived(int x, int y, int z): base1(y), base2(z){ 
     j=x; 
     cout << "Constructing derived\n"
  }

  ~derived() { 
     cout << "Destructing derived\n"
  }
  void show() { 
     cout << i << " " << j << " " << k << "\n"
  }
};

int main()
{
  derived ob(345);

  ob.show();

  return 0;
}
Constructing base1
Constructing base2
Constructing derived
4 3 5
Destructing derived
Destructing base2
Destructing base1
9.17.base class
9.17.1.Add a constructor to Base class
9.17.2.Add a overloaded constructor to base class
9.17.3.Call base's default constructor automatically
9.17.4.Call base virtual function explicitly
9.17.5.Virtual base classes
9.17.6.Pass parameter to two base classes
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.