[英]C# How can I compare objects' attributes that are elements of an array?
我創建了一個名為 Card 的類和一個名為 CardDeck 的類。 在 CardDeck 類中,我聲明了一個名為deck(類型為 Card)的數組,其元素是類 Card 的對象。 它的 Card 對象有自己的編號和形狀。
例如,我如何比較deck[0] 和deck[1] 以查看這些對象是否具有相同的數字或相同的形狀?
類 CardDeck
using System;
public Class CardDeck
{
private int number_of_elements = 30;
public CardDeck()//constructor
{
int[] arrayNumber = {0,1,2,3,4,5,6,7,8,9};
string[] arrayShape = { "oval" , "diamond", "square" };
deck = new Card[number_of elements];
InitialiseDeck(arrauNumber, arrayShape);
}
private void InitialiseDeck(int[] num, string[] sha)
{
int count = 0;
for( int i = 0; i < 10; i++)
{
for(int j = 0; j < 3; j++)
{
deck[count] = new Card(num[i],sha[j]);
count++;
}
}
}
}
班卡
using System;
public class Card
{
private int number;
private string shape;
public Card( int cardNumber, string cardShape)
{
number = cardNumber;
shape = cardShape;
}
}
您需要在Card
類上創建公共屬性,以公開number
和shape
變量。 然后在Card
類之外的代碼中引用這些屬性。
例如:
public class Card
{
private int number;
private string shape;
public Card( int cardNumber, string cardShape)
{
number = cardNumber;
shape = cardShape;
}
public int Number { get { return this.number; } }
public string Shape { get { return this.shape; } }
}
用法:
var card1 = new Card(13, "diamond");
var card2 = new Card(13, "heart");
if (card1.Number == card2.Number && card2.Shape == card2.Shape)
{
// The cards are the same
}
如果您只想檢查卡片是否相等,那么您只需聲明==
運算符將對Card
類執行的操作: https : //msdn.microsoft.com/en-us/library/8edha89s.aspx
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