Java Java.io.CharArrayWriter.toString()用法及代碼示例

描述

這個java.io.CharArrayWriter.toString()方法返回來自此編寫器的緩衝內容的字符串。

聲明

以下是聲明java.io.CharArrayWriter.toString()方法≫

public String toString()

參數

NA

返回值

該方法返回在此編寫器中分配的緩衝區內容的字符串。

異常

NA

示例

下麵的例子展示了 java.io.CharArrayWriter.toString() 方法的用法。

package com.tutorialspoint;

import java.io.CharArrayWriter;

public class CharArrayWriterDemo {
   public static void main(String[] args) {      
      char[] ch = {'A','B','C','D','E'};
      CharArrayWriter chw = null;
            
      try {
         // create character array writer
         chw = new CharArrayWriter();
         
         // write character buffer to the writer
         chw.write(ch);
         
         // get buffered content as string
         String str = chw.toString();
         
         // print the string
         System.out.print(str);
               
      } catch(Exception e) {
         // for any error
         e.printStackTrace();
      } finally {
         // releases all system resources from writer
         if(chw!=null)
            chw.close();
      }
   }
}

讓我們編譯並運行上麵的程序，這將產生以下結果——

ABCDE