JavaIO流学习总结-CharArrayReader和CharArrayWriter基本操作练习

package io;

import java.io.*;

/*
 * 修改日期:2020/04/05
 * 修改人:牟松
 * 字符流CharArrayReader和CharArrayWriter基本操作练习
 * 参考链接:https://blog.csdn.net/fql2012/article/details/7348504
 */

public class ceshi {
   public static void main(String[] args)
     { 
   
    //CharArrayReader是一个把字符数组作为源的输入流的实现
    char c[]=new char[]{'c','b','d'};
    CharArrayReader cr=new CharArrayReader(c);
    CharArrayReader cr1=new CharArrayReader(c,0,2);
    int i=0;
    try {
  while((i=cr.read())!=-1){
          System.out.println((char)i);
     }
     while((i=cr1.read())!=-1){
       System.out.println((char)i);
     }
    } catch (IOException e) {
     e.printStackTrace();
    }
   
    //CharArrayReader是一个把字符数组作为源的输出流的实现
    String s="acccc";
    char sc[]=s.toCharArray();
    CharArrayWriter cw=new CharArrayWriter(5);
    try {
  cw.write(sc);
    } catch (IOException e) {
     e.printStackTrace();
    }
    System.out.println(cw.toString());
    char cv[]=cw.toCharArray();
    System.out.println(cv);
    cw.close();
  
     }
}