如何创建stringbuilder [英] How to create stringbuilder

问题描述

如何创建字符串构建器示例

请帮助我

How to create a string builder example

please help me

推荐答案

MSDN示例有什么问题?
http://msdn.microsoft.com/en-us/library/system.text. stringbuilder.aspx [ ^ ]

以下代码是从MSDN复制粘贴的:

Whats the Problem with the MSDN Example?
http://msdn.microsoft.com/en-us/library/system.text.stringbuilder.aspx[^]

Following Code is Copy Pasted from MSDN:

using System;
using System.Text;

public sealed class App
{
    static void Main()
    {
        // Create a StringBuilder that expects to hold 50 characters.
        // Initialize the StringBuilder with "ABC".
        StringBuilder sb = new StringBuilder("ABC", 50);

        // Append three characters (D, E, and F) to the end of the StringBuilder.
        sb.Append(new char[] { 'D', 'E', 'F' });

        // Append a format string to the end of the StringBuilder.
        sb.AppendFormat("GHI{0}{1}", 'J', 'k');

        // Display the number of characters in the StringBuilder and its string.
        Console.WriteLine("{0} chars: {1}", sb.Length, sb.ToString());

        // Insert a string at the beginning of the StringBuilder.
        sb.Insert(0, "Alphabet: ");

        // Replace all lowercase k's with uppercase K's.
        sb.Replace('k', 'K');

        // Display the number of characters in the StringBuilder and its string.
        Console.WriteLine("{0} chars: {1}", sb.Length, sb.ToString());
    }
}

// This code produces the following output.
//
// 11 chars: ABCDEFGHIJk
// 21 chars: Alphabet: ABCDEFGHIJK

System.Text.Stringbuilder sb = new  System.Text.Stringbuilder;
sb.AppendLine("TEST1");
sb.AppendLine("TEST2");
sb.AppendLine("TEST3");
sb.AppendLine("TEST4");
String str = new String;
str = sb.ToString;

请参考此 [

Hi,
refer this[^] it will help u lot
Best Luck

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