Java.io.CharArrayWriter.toString()方法範例


 java.io.CharArrayWriter.toString() 方法返回當前writer的緩衝內容的字串。

宣告

以下是java.io.CharArrayWriter.toString()方法的宣告:

public String toString()

引數

  • NA

返回值

該方法返回的分配在writer緩衝區內容字串。

異常

  • NA

例子

下面的範例演示java.io.CharArrayWriter.toString()方法的用法。

package com.yiibai;

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();
      }
   }
}

讓我們來編譯和執行上面的程式,這將產生以下結果:

ABCDE