如何在 C# 中建立 StringBuilder?


在 C# 中建立 StringBuilder 的程式碼如下 −

例項

 即時演示

using System;
using System.Text;
public class Demo {
   public static void Main(String[] args) {
      StringBuilder strBuilder1 = new StringBuilder("Tim");
      StringBuilder strBuilder2 = new StringBuilder("Tom");
      Console.WriteLine("Is StringBuilder1 equal to StringBuilder2? = "+strBuilder1.Equals(strBuilder2));
   }
}

輸出

以下是輸出內容 −

Is StringBuilder1 equal to StringBuilder2? = False

例項

讓我們看另一個示例 −

 即時演示

using System;
using System.Text;
public class Demo {
   public static void Main(String[] args) {
      StringBuilder strBuilder1 = new StringBuilder("John");
      StringBuilder strBuilder2 = new StringBuilder("John");
      StringBuilder strBuilder3 = new StringBuilder();
      StringBuilder strBuilder4 = new StringBuilder(5);
      strBuilder2 = strBuilder3;
      Console.WriteLine("Is StringBuilder3 equal to StringBuilder2? = "+strBuilder3.Equals(strBuilder2));
      Console.WriteLine("StringBuider1 capacity = "+strBuilder1.Capacity);
      Console.WriteLine("StringBuider2 capacity = "+strBuilder2.Capacity);
      Console.WriteLine("StringBuider3 capacity = "+strBuilder3.Capacity);
      Console.WriteLine("StringBuider4 capacity = "+strBuilder4.Capacity);
   }
}

輸出

以下是輸出內容 −

Is StringBuilder3 equal to StringBuilder2? = True
StringBuider1 capacity = 16
StringBuider2 capacity = 16
StringBuider3 capacity = 16
StringBuider4 capacity = 5

更新於: 10-12-2019

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