C#中的隐式类型数组
C#隐式类型数组
像隐式类型的变量一样,我们也可以在不指定其类型的情况下声明数组,这样的数组类型称为隐式类型的数组。
数组的类型由编译器根据初始化列表确定。
语法:
var array_name = new[] {initialize_list/elements};示例
var arr1 = new[] { 10, 20, 30, 40, 50 };
var arr2 = new[] { 10.0f, 20.1f, 30.2f, 40.3f, 50.4f };
var arr3 = new[] { "Manju", "Amit", "Abhi", "Radib", "Prem" };在这里,将arr1确定为int[](整数数组),将arr2确定为float[](浮点数/单数组),将arr3确定为String[](字符串数组)。
C#代码演示隐式类型数组的示例
using System;
using System.Text;
namespace Test
{
class Program
{
static void Main(string[] args)
{
var arr1 = new[] { 10, 20, 30, 40, 50 };
var arr2 = new[] { 10.0f, 20.1f, 30.2f, 40.3f, 50.4f };
var arr3 = new[] { "Manju", "Amit", "Abhi", "Radib", "Prem" };
//数组的打印类型
Console.WriteLine("Type of arr1: " + arr1.GetType());
Console.WriteLine("Type of arr2: " + arr2.GetType());
Console.WriteLine("Type of arr3: " + arr3.GetType());
//打印元素
Console.WriteLine("arr1 elements...");
foreach (var item in arr1)
{
Console.Write(item + " ");
}
Console.WriteLine();
Console.WriteLine("arr2 elements...");
foreach (var item in arr2)
{
Console.Write(item + " ");
}
Console.WriteLine();
Console.WriteLine("arr3 elements...");
foreach (var item in arr3)
{
Console.Write(item + " ");
}
Console.WriteLine();
//按ENTER退出
Console.ReadLine();
}
}
}输出结果
Type of arr1: System.Int32[] Type of arr2: System.Single[] Type of arr3: System.String[] arr1 elements... 10 20 30 40 50 arr2 elements... 10 20.1 30.2 40.3 50.4 arr3 elements... Manju Amit Abhi Radib Prem
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