Return a reference from []. : Index « Overload « C++

Home
C++
1.Bitset
2.Class
3.Console
4.Data Structure
5.Data Type
6.Deque
7.Development
8.File
9.Function
10.Generic
11.Language
12.List
13.Map Multimap
14.Overload
15.Pointer
16.Qt
17.Queue Stack
18.Set Multiset
19.STL Algorithms Binary search
20.STL Algorithms Heap
21.STL Algorithms Helper
22.STL Algorithms Iterator
23.STL Algorithms Merge
24.STL Algorithms Min Max
25.STL Algorithms Modifying sequence operations
26.STL Algorithms Non modifying sequence operations
27.STL Algorithms Sorting
28.STL Basics
29.String
30.Valarray
31.Vector
C / ANSI-C
C Tutorial
C++ Tutorial
Visual C++ .NET
C++ » Overload » IndexScreenshots 
Return a reference from [].
Return a reference from [].
 
#include <iostream>
using namespace std;

const int SIZE = 3;

class MyClass {
  int a[SIZE];
public:
  MyClass() {
    register int i;
    for(i = 0; i <SIZE; i++
       a[i= i;
  }
  int &operator[](int i) {
     return a[i];
  }
};

int main()
{
  MyClass myObject;

  cout << myObject[2];  
  cout << " ";

  myObject[225;     // [] on left of =

  cout << myObject[2];  // now displays 25

  return 0;
}

           
         
  
Related examples in the same category
1.Operator overload: new, delete, new[] and delete[]Operator overload: new, delete, new[] and delete[]
2.Define operator []Define operator []
3.Overload [].Overload [].
4.String class: Index characters and '=' operatorString class: Index characters and '=' operator
5.Index operator for class
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.