文本文件的读取方式二

package collection;

import java.io.*;
import java.util.*;

public class Demo1 {

 /**
  * @param args
  * @throws IOException
  * @throws IOException
  */
 public static void main(String[] args) throws IOException  {
  
  FileReader fr = new FileReader("F:\\demo.txt");
 
  char[] buf = new char[1024];
  
  int num = 0;
  while((num = fr.read(buf))!=-1){
   sop(new String(buf,0,num));
  }

 }
 private static void sop(Object string) {
  System.out.println(string);
 }
}