C#输出与断点输出不同 [英] C# output different from breakpoint output

问题描述

一个函数使用for循环将24个随机字符串从数组输入到字符串列表中.另一个功能在控制台中显示列表中的字符串.但是，我只得到一个循环的值，例如1111111111111111111111111111.设置断点时，得到的是我一直在寻找的输出，例如12kingace342356110.这是我的函数类代码.

One function inputs 24 random strings into an string list from an array with a for loop. The other function displays the strings from the list in the console. However I get only one value looped for example like 1111111111111111111111111. When I set breakpoint, I get the output I was looking for such as 12kingace342356110. Here's my function class code.

namespace CardWarConsoleGame
{
    class Deck
    {
        public string[] CardNames = { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen", "King", "Ace" };
        public int[] CardValues = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 };
    }


    class WarFunctions
    {
        public static List<string> YourDeck = new List<string>();
        public static List<string> AIDeck = new List<string>();

        public static void LoadCards()
        {
            Deck deck = new Deck();
            for (int i = 0; i < 24; i++)
            {
                Random r = new Random();
                YourDeck.Add(deck.CardNames[r.Next(0, 14)]);
            }

        }

        public static void test()
        {
            for (int i = 0; i < YourDeck.Count; i++)
            {
                Console.Write(YourDeck[i]);
            }
        }
    }
}



Heres the program.cs

namespace CardWarConsoleGame
{
    class Program : WarFunctions
    {
        static void Main(string[] args)
        {
            LoadCards();
            test();
            Console.ReadLine();
        }
    }
}

推荐答案

您应在循环之前创建Random.

public static void LoadCards()
{
    Deck deck = new Deck();
    Random r = new Random();
    for (int i = 0; i < 24; i++)
    {
        YourDeck.Add(deck.CardNames[r.Next(0, 14)]);
    }
}

的默认构造函数 c0>

使用时间相关的默认种子值初始化Random类的新实例.

Initializes a new instance of the Random class, using a time-dependent default seed value.

默认种子值是从系统时钟派生的，并且具有有限的分辨率.结果，通过调用默认构造函数紧密连续创建的不同Random对象将具有相同的默认种子值，因此将产生相同的随机数集.

The default seed value is derived from the system clock and has finite resolution. As a result, different Random objects that are created in close succession by a call to the default constructor will have identical default seed values and, therefore, will produce identical sets of random numbers.

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