Java.io.CharArrayWriter.write char len() 方法

package com.codingdict;



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();

         System.out.println("off = 3; len = 2");



         // write character buffer to the writer

         chw.write(ch, 3, 2);



         // 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();

      }

   }

}