C# 如何从给定字符串中选择一个随机字符串?
如何制作一个程序,从给定字符串中随机选取一个字符串,如下所示:C# 如何从给定字符串中选择一个随机字符串?,c#,arrays,C#,Arrays,如何制作一个程序,从给定字符串中随机选取一个字符串,如下所示: int x; x = Random.Range(0,2); string[] Quest0 = {"You","Are","How","Hello"}; string[] Quest1 = {"Hey","Hi","Why","Yes"}; string[] Quest2 = {"Here","Answer","One","Pick"}; if (x == 2) { foreach (s
int x;
x = Random.Range(0,2);
string[] Quest0 = {"You","Are","How","Hello"};
string[] Quest1 = {"Hey","Hi","Why","Yes"};
string[] Quest2 = {"Here","Answer","One","Pick"};
if (x == 2)
{
foreach (string s in Quest2)
{
Console.WriteLine(s);
}
}
我想这样打印出来:
如果x=2,它将打印出任务2,依此类推
谢谢大家! 首先需要声明一个随机变量
Random random = new Random();
这将创建一个变量,您现在可以从中获取随机数。要获得随机数,您将使用random.next(x,y)
或在您的情况下使用random.next(0,3)
,因为最后一个参数是独占的,所以如果您想要0、1或2,必须使用(0,3)
然后,你需要做一些有条件的陈述,我会用If陈述,来实现你的目标,用这样的东西:
int x;
x = Random.Range(0,2);
string[] Quest0 = {"You","Are","How","Hello"};
string[] Quest1 = {"Hey","Hi","Why","Yes"};
string[] Quest2 = {"Here","Answer","One","Pick"};
if (x == 2)
{
foreach (string s in Quest2)
{
Console.WriteLine(s);
}
}
对每个可能的结果执行此操作,它将打印出字符串数组中的所有值。希望我能帮上忙,谢谢
此外,如果您熟悉这些链接:
列出任务=新建ArrayList();
添加(0,新字符串[]{“You”,“Are”,“How”,“Hello”});
添加(1,新字符串[]{“嘿”,“嗨”,“为什么”,“是”});
添加(2,新字符串[]{“Here”,“Answer”,“One”,“Pick”});
intx=newrandom().nextInt((2-0)+1);
System.out.println(quests.get(x.toString());
将Quest0、Quest1和Quest2放入一个数组或列表中,并使用x作为您打印的索引。是的,但我如何才能做到这一点@ADAMDC78做一个谷歌搜索!来吧,这其实很简单,再努力一点。。下面是一个我为您节省了一些时间的示例“adamdc78”已经告诉您如何做到这一点。您是否在问如何编写代码??:|