Reference, output and value parameters. : Ref Out « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » Ref OutScreenshots 
Reference, output and value parameters.
 




using System;

class ReferenceAndOutputParameters
{
   public void aMethod()
   {
      int y = 5
      int z; 

      Console.WriteLine"Original value of y: {0}", y );
      Console.WriteLine"Original value of z: uninitialized\n" );

      SquareRefref y );  
      SquareOutout z );  

      Console.WriteLine"Value of y after SquareRef: {0}", y );
      Console.WriteLine"Value of z after SquareOut: {0}\n", z );

      Square);
      Square);

      Console.WriteLine"Value of y after Square: {0}", y );
      Console.WriteLine"Value of z after Square: {0}", z );
   
   void SquareRefref int )
   {
      x = x * x; 
   
   void SquareOutout int )
   {
      x = 6
      x = x * x; 
   
   void Squareint )
   {
      x = x * x;
   }

class ReferenceAndOutputParamtersTest
{
   static void Mainstring[] args )
   {
      ReferenceAndOutputParameters test = new ReferenceAndOutputParameters();
      test.aMethod();
   }
}


        
Related examples in the same category
1.Testing the effects of passing array references by value and by reference.
2.the out descriptor allows a function a value in an argument without initializing the argumentthe out descriptor allows a function a value in an argument without initializing the argument
3.compare the difference between passing a null reference vs. a reference to a zero length string
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