UC知道foreach循环语句名词解释
来源：百度知道 编辑：UC知道 时间：2024/06/26 05:03:17
using System;
public class foreachTest
{
public static void Main()
{
string[] weekdays ={
"Monday","Thuesday","Wednesday","Thursday","Friday","Saturday","sunday"};
Console.WriteLine("输出结果是：");
foreach (string day in weekdays)
{
Console.WriteLine(day);
}
}
}
1. string[] weekdays这个什么意思啊？
2.foreach (string day in weekdays) 从哪里看出这个循环变量的名称是day?
3.Console.WriteLine(day); 这里的day是哪里来的？是C#中自带的一个关键字吗？
public class foreachTest
{
public static void Main()
{
string[] weekdays ={
"Monday","Thuesday","Wednesday","Thursday","Friday","Saturday","sunday"};
Console.WriteLine("输出结果是：");
foreach (string day in weekdays)
{
Console.WriteLine(day);
}
}
}
1. string[] weekdays这个什么意思啊？
2.foreach (string day in weekdays) 从哪里看出这个循环变量的名称是day?
3.Console.WriteLine(day); 这里的day是哪里来的？是C#中自带的一个关键字吗？
string[] weekdays定义一个字符串数组，它是的值为｛"Monday","Thuesday","Wednesday","Thursday","Friday","Saturday","sunday"}
foreach (string day in weekdays) 就是定义一个字符型变量day来遍历数组weekdays，其中它是以“，”为分割的，比如说第一次day就取值为Monday，以此类推。
Console.WriteLine(day)就是输出字符型变量day在，第一次就输出为Monday，以此类推。
所以输出的值就为：
Monday
Thuesday
Wednesday
Thursday
Friday
Saturday
sunday
1. 是字符串数组,该数组内包含周1~周日 7个元素
2. 枚举数组内每个元素,索引是从0开始,分别是0,1,2,3,4,5,6
3. 显示每个元素 day分别是"Monday","Thuesday","Wednesday","Thursday","Friday","Saturday","sunday"