String toString


描述

所述java.io.CharArrayWriter.toString()方法返回来自此作家缓冲的内容的字符串。

声明

以下是java.io.CharArrayWriter.toString()方法的声明

public String toString()

参数

NA

返回值

该方法返回此writer中分配的缓冲区内容的字符串。

异常

NA

实例

以下示例显示了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();
      }
   }
}

让我们编译并运行上面的程序,这将产生以下结果

ABCDE