Java Java.io.CharArrayWriter.flush() 方法

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  描述

  java.io.CharArrayWriter.flush()方法将流刷新为基础流。
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  声明

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

   public void flush()

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  参数

  不适用
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  返回值

  该方法不返回任何值。
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  异常

  不适用
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  例子

  以下示例显示java.io.CharArrayWriter.flush()方法的用法。

   
  package com.jc2182;
  import java.io.CharArrayWriter;
  
  public class CharArrayWriterDemo {
     public static void main(String[] args) {      
        CharArrayWriter chw = null;
        
        try {
           // create character array writer
           chw = new CharArrayWriter();
           
           // declare character sequence
           CharSequence csq = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
           
           // append character sequence to the writer
           chw.append(csq);
           
           // flush
           chw.flush();
           
           // prints out the character sequences
           System.out.println(chw.toString());
                 
        } catch(Exception e) {
           // for any error
           e.printStackTrace();
        } finally {
           // releases all system resources from writer
           if(chw!=null)
              chw.close();
        }
     }
  }
  

  让我们编译并运行以上程序，这将产生以下结果-

   ABCDEFGHIJKLMNOPQRSTUVWXYZ