class Swapper
{
// this Swap() method swaps two int parameters
public void Swap(ref int x, ref int y)
{
int temp = x;
x = y;
y = temp;
}
// this Swap() method swaps two float parameters
public void Swap(ref float x, ref float y)
{
float temp = x;
x = y;
y = temp;
}
}
public class Example5_9
{
public static void Main()
{
// create a Swapper object
Swapper mySwapper = new Swapper();
// declare two int variables
int intValue1 = 2;
int intValue2 = 5;
System.Console.WriteLine("initial intValue1 = " + intValue1 +
", intValue2 = " + intValue2);
// swap the two float variables
// (uses the Swap() method that accepts int parameters)
mySwapper.Swap(ref intValue1, ref intValue2);
// display the final values
System.Console.WriteLine("final intValue1 = " + intValue1 +
", intValue2 = " + intValue2);
// declare two float variables
float floatValue1 = 2f;
float floatValue2 = 5f;
System.Console.WriteLine("initial floatValue1 = " + floatValue1 +
", floatValue2 = " + floatValue2);
// swap the two float variables
// (uses the Swap() method that accepts float parameters)
mySwapper.Swap(ref floatValue1, ref floatValue2);
// display the final values
System.Console.WriteLine("final floatValue1 = " + floatValue1 +
", floatValue2 = " + floatValue2);
mySwapper.Swap(ref floatValue1, ref floatValue2);
}
}
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