Change reference value : reference « Data Types « C++ Tutorial

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C++ Tutorial » Data Types » reference

2.32.4.Change reference value

#include <iostream.h>

main()

{

       int a[] = {1,3,5,7,9};

       int i=2 ;

       int &r = a[i];          

       cout <<r<<endl;

       r=99;           

       cout <<a[i]<<endl;

       return 0;

}

5
99

2.32.reference
	2.32.1.	Creating and Using References
	2.32.2.	Use References operator &
	2.32.3.	References must be initialized
	2.32.4.	Change reference value
	2.32.5.	Reassigning a reference
	2.32.6.	Returning a reference
	2.32.7.	Assign value to a reference-return
	2.32.8.	Return a reference to an array element.
	2.32.9.	Use an independent reference.
	2.32.10.	class for counted reference semantics
	2.32.11.	Use reference to swap value
	2.32.12.	constant references
	2.32.13.	Use reference as a return type

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