Use Arrays to implement a card game.

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Hello Friends i am reading Microsoft Visual C# 2013 Step by Step by John Sharp to have my basics clear.

I have encountered a problem in understanding the following code in the book which says Use arrays to implement a card game.

1.Taking Two enumeration types.

C#

enum Value { Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King,
Ace }

C#

enum Suit { Clubs, Diamonds, Hearts, Spades }

2.Creating PlayingCard class

C#

class PlayingCard
{
  private readonly Suit suit;
  private readonly Value value;
  
  public PlayingCard(Suit s, Value v)
  {
    this.suit = s;
    this.value = v;
  }
  /*public override string ToString()
  {
    
    return result;
  }*/
  
  public Suit CardSuit()
  {
    return this.suit;
  }
  
  public Value CardValue()
  {
    return this.value;
  }
}

In the above class i have commented part of the code which i am unable to understand it properly.

Thanks in advance.

Posted 24-Apr-15 0:27am

Mirza Mustafa Ali Baig

Updated 24-Apr-15 0:45am

TheRealSteveJudge

v2

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Comments

Florian Braun 24-Apr-15 6:56am

did you test that Method before commenting it out?

Mirza Mustafa Ali Baig 24-Apr-15 9:31am

I haven't checked the code......First of all i am unable to get the code which is their

1 solution

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TheRealSteveJudge · Accepted Answer · 2015-04-24T00:56:00

Solution 1

The commented part is not complete.
It must be:

C#

public override string ToString()
{
    string result = string.Format("{0} of {1}", this.value, this.suit);

    return result;
}

You missed the first line.

The method ToString() is used to replace the standard ToString() method
that every object has in order to return a custom string.

Background:

Every class in C# is automatically derived from the object class.
ToString() is a method of the object class.
Please read this:
https://msdn.microsoft.com/en-us/library/system.object.tostring%28v=vs.110%29.aspx[^]

A class therefore automatically has a ToString() method.

When you override the ToString() method
you can return a custom string.

Posted 24-Apr-15 0:56am

TheRealSteveJudge

Updated 24-Apr-15 4:12am

v3

Comments

Mirza Mustafa Ali Baig 24-Apr-15 9:34am

Actually your right ..i had missed the code part which you have completed.
Your are describing ToString() method two times in your explanation part, Can you please explain me briefly with an good example.

TheRealSteveJudge 24-Apr-15 9:49am

Please have a look at the updated solution.

Mirza Mustafa Ali Baig 24-Apr-15 9:55am

Thank you @Steve Really appreciate your time and efforts.

Mirza Mustafa Ali Baig 24-Apr-15 12:48pm

The Override Keyword is used to override the tostring() method to return the type name along with its value.
//I got the answer to my question by this statement what you have provided in the link.

Thanks a lot Brother.:-)

TheRealSteveJudge 26-Apr-15 3:29am

You're welcome!