readtextprices.java

《A first book of java》by Gary J.Bronson 北大出版社

import java.io.*;
public class ReadTextPrices
{
  public static void main(String[] args)
    throws java.io.IOException
  {
    String fileName = "prices.txt";
    int i;
    String inLine;

      // set up the basic input stream
    FileReader fr = new 
        FileReader(fileName);
      // buffer the input stream    
    BufferedReader br = 
        new BufferedReader(fr);

      // read and display three lines
    for(i = 0; i < 3; i++) 
    {
      inLine = br.readLine();  // read a line
      System.out.println(inLine);  // display the line
    }
   
    br.close(); 
 }
}