20 lines
563 B
C#
20 lines
563 B
C#
using System;
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using System.Text;
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namespace _15_5
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{
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internal class Program
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{
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static void Main(string[] args)
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{
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StringBuilder sb = new StringBuilder("ABC", 50);
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sb.Append(new char[] { 'D', 'F', 'E' });
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sb.AppendFormat("GHI{0}{1}", 'J', 'k');
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Console.WriteLine("{0} chars,内容为{1}", sb.Length, sb.ToString());
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sb.Insert(0, "Alphabet---");
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sb.Replace('k', 'K');
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Console.WriteLine("{0} chars,内容为{1}", sb.Length, sb.ToString());
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}
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}
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}
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