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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
A simple program demonstrating the use of reference
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#include <iostream>
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using namespace std;
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int main()
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{
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int Len, Wid; // declare int variables
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// Create references to int variables.
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// Now rLen and Len are aliases to each other,
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// and rWid and Wid are also aliases to each other.
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int &rLen = Len;
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int &rWid = Wid;
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// Initialized the two int variables
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Len = 10; // rLen is also initialized to be 10
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Wid = 20; // rWid is also initialized to be 20
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// Printing out the values for int and int references
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cout << "Len is: " << Len << ", and Wid is: " << Wid << endl;
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cout << "rLen is: " << rLen << ", and rWid is: " << rWid << endl;
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cout << endl;
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// Printing out the address of int and references to int
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cout << "Address of Len is: " << &Len << endl;
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cout << "Address of rLen is: " << &rLen << endl;
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if(&Len == &rLen)
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{
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cout << "Address of Len is equal to address of rLen!" << endl;
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}
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cout << "Address of Wid is: " << &Wid << endl;
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cout << "Address of rWid is: " << &rWid << endl;
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if(&Wid == &Wid)
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{
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cout << "Address of Wid is equal to address of rWid!" << endl;
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}
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return 0;
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}
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