OpenCommercial.java

/* OpenCommercial.java */

import java.net.*;
import java.io.*;

/**  A class that provides a main function to read five lines of a commercial
 *   Web page and print them in reverse order, given the name of a company.
 */

class OpenCommercial {

  /** Prompts the user for the name X of a company (a single string), opens
   *  the Web site corresponding to www.X.com, and prints the first five lines
   *  of the Web page in reverse order.
   *  @param arg is not used.
   *  @exception Exception thrown if there are any problems parsing the 
   *             user's input or opening the connection.
   */
  public static void main(String[] arg) throws Exception {

    BufferedReader keyboard;
    String inputLine;

    keyboard = new BufferedReader(new InputStreamReader(System.in));

    System.out.print("Please enter the name of a company (without spaces): ");
    System.out.flush();        /* Make sure the line is printed immediately. */
    inputLine = keyboard.readLine();

     URL link = new URL("http://www." + inputLine + ".com/");
    BufferedReader web = new BufferedReader(new InputStreamReader(link.openStream()));
    
    String strline = web.readLine();
    int s = 0;
    String[] arrayline = new String[5];
    
    while (s<5 && strline != null) {
    	arrayline[s] = strline;
    	s++;
    	strline = web.readLine();
    }
    for (int i = 4; i>=0; i--) { 
    	System.out.println(arrayline[i]);
    }
  }
}