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ZH TW CSharp Operator Increment
Codex edited this page Oct 11, 2026
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前缀返回一个新值;后缀返回前一个。兩種形式都會修改變數。
請將此範例另存為 Example.cs,並與本頁其他範例分開執行。
Example.cs:
// PROJECT-EXAMPLE
int count = 2;
System.Console.WriteLine(count++);
System.Console.WriteLine(++count);結果:
2
4
++value / value++ / --value / value--using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
public static class Program
{
public static async Task Main(string[] args)
{
int value = 2;
Console.WriteLine(value++); Console.WriteLine(++value);
Console.WriteLine(value--); Console.WriteLine(--value);
}
}using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
public static class Program
{
public static async Task Main(string[] args)
{
int[] values = [10, 20, 30];
int index = 0;
while (index < values.Length) Console.WriteLine(values[index++]);
}
}官方來源:Microsoft學習。
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