排队字节数组有问题

Question

最简单的例子。我试图像这样创建一个字节数组的队列：

        Queue<Byte[]> q = new Queue<Byte[]>();
        Byte[] block = new Byte[1];
        block[0] = 1;
        q.Enqueue(block);
        block[0] = 2;
        q.Enqueue(block);
        block[0] = 3;
        q.Enqueue(block);
        byte[] block1 = q.Dequeue();
        Console.WriteLine(block1[0]);
        block1 = q.Dequeue();
        Console.WriteLine(block1[0]);
        block1 = q.Dequeue();
        Console.WriteLine(block1[0]);

但事实上，我所有的三个街区都是＆＃34; 3＆＃34;但是预计＆＃34; 1＆＃34; ＆＃34; 2＆＃34; ＆＃34; 3＆＃34 ;.我有什么想法我做错了吗？

Answer 1

您需要每次创建一个新数组，否则您只需更改同一个数组并将其多个引用添加到Queue

中

Queue<Byte[]> q = new Queue<Byte[]>();
Byte[] block = new Byte[1];
block[0] = 1;
q.Enqueue(block);

// Create a new array
block = new Byte[1];
block[0] = 2;
q.Enqueue(block);

// Create a new array
block = new Byte[1];
block[0] = 3;
q.Enqueue(block);
byte[] block1 = q.Dequeue();
Console.WriteLine(block1[0]);
block1 = q.Dequeue();
Console.WriteLine(block1[0]);
block1 = q.Dequeue();
Console.WriteLine(block1[0]);