Java.io.PushbackReader.read Char() 方法

package com.codingdict;



import java.io.*;



public class PushbackReaderDemo {



   public static void main(String[] args) {

      String s = "Hello World";



      // create a new StringReader

      StringReader sr = new StringReader(s);



      // create a new PushBack reader based on our string reader

      PushbackReader pr = new PushbackReader(sr, 20);



      // create a char array to read chars into

      char cbuf[] = new char[5];



      try {



         // read characters into an array.

         System.out.println("" + pr.read(cbuf));



         // print cbuf

         System.out.println(cbuf);



         // Close the stream 

         pr.close();



      } catch (IOException ex) {

         ex.printStackTrace();

      }

   }

}