C ++ shortcut tutorial-Chapter 18-C ++ I/O system-2

Source: Internet
Author: User

// -- C ++ shortcut tutorial -- Chapter 18--c ++ I/O system
// -- Chapter 18--c ++ I/O system
// -- 10/15/2006 sun.
// -- Computer lab
// -- Liwei

// Describes the use of the insert operator to enable the user
# Include <iostream>
Using namespace STD;

Class three_d {
Int x, y, z;
Public:
Three_d (int A, int B, int c) {x = A; y = B; Z = C ;}
Friend ostream & operator <(ostream & stream, three_d OBJ );
};

Ostream & operator <(ostream & stream, three_d OBJ)
{
Stream <obj. x <",";
Stream <obj. Y <",";
Stream <obj. z <"/N ";
Return stream;
}

Int main ()
{
Three_d A (1, 2, 3), B (4, 5, 6), C (7, 8, 9 );
 
Co <A <B <C;

Return 0;
}

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