可以';t使用C#运行两行三列字符串数组
本文关键字:两行 三列 数组 字符串 使用 可以 运行 | 更新日期: 2023-09-27 18:29:12
我的代码在这里。但我有两个错误。数组初始化程序只能在变量或字段初始化程序中使用。请尝试使用新表达式。
using System;
public class twoDimArray
{
public static void Main(string[] args)
{
String[] city=new String[] { {"NewYork","Muscat","London"} ,{"Cairo","Beijing","CapeTown"} };
for (int i=0; i<2; i++)
{for (int j=0; j<3; j++)
{
System.Console.Write(city[i][j]+"'t");
}
System.Console.Write("'n");
}
}
}
将您的声明更改为
String[,] city = new String[,] {
{ "NewYork", "Muscat", "London" },
{ "Cairo", "Beijing", "CapeTown" } };
而不是硬编码的上限,这将是更好的
for (int i = 0; i < city.GetLength(0); i++)
{
for (int j = 0; j < city.GetLength(1); j++)
{
Console.Write(city[i, j] + "'t");
}
Console.WriteLine();
}
试试这个
String[,] city=new String[,] { {"NewYork","Muscat","London"} ,{"Cairo","Beijing","CapeTown"} };
试试这个:
String[] city=new String[] { "NewYork","Muscat","London","Cairo","Beijing","CapeTown" };
而不是:
String[] city=new String[] { {"NewYork","Muscat","London"} ,{"Cairo","Beijing","CapeTown"} };
第二个是错误的,因为您正在初始化一个数组中的另外两个数组。
var city=new List<String[]> {new [] {"NewYork","Muscat","London"} , new []{"Cairo","Beijing","CapeTown"}};
这将创建字符串数组列表,或者此代码将创建二维数组:
String[,] city=new String[,] { {"NewYork","Muscat","London"} ,{"Cairo","Beijing","CapeTown"} };
String[] city=new String[]
是一维数组。。。。
use String[,] city=new String[,]()
好吧,这取决于你想要实现的目标。如果是二维数组,您应该使用:
String[,] city = new String[,]{ { "NewYork", "Muscat", "London" }, { "Cairo", "Beijing", "CapeTown" } };
并调用,例如,它是这样的:
System.Console.Write(city[0, 1]);
尽管使用
string[,] = new string...
可以很好地工作,如果你需要序列化它,我不推荐它。我宁愿使用字符串列表。
List<object> firstLevel = new List<object>();
List<string> secondLevel = new List<string>("first", "second", "third");
firstLevel.Add(secondLevel);
secondLevel = ("first", "second", "third");
firstLevel.Add(secondLevel);