CS61B/hw1 problem1 at master · Hongzheng369/CS61B · GitHub

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package hw1;

/* 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();


    ///my answer:
    BufferedReader reader = null;
    try {
    	URL myURL = new URL("http://www."+inputLine+".com/");
    	reader = new BufferedReader(new InputStreamReader(myURL.openStream()));
    }catch (Exception ex) {
    	ex.printStackTrace();
    }
    String[] webLine = new String[5];
    int i = 0;
    if(reader != null) {
    	while ((i<5) && (webLine[i] = reader.readLine()) != null) {
    		i++;
    	}
    }
    for(i--;i>=0;i--) {
    	System.out.println(webLine[i]);
    }

  }
}


//   BufferedReader reader = null;
//   try {
//	   URL myURL = new URL("http://www."+inputLine+".com/");
//	   reader = new BufferedReader(new InputStreamReader(myURL.openStream()));
//   }catch (Exception ex) {
//	   ex.printStackTrace();
//
//   }
//
//   String[] webLine = new String[5];
//   int i = 0;
//   if(reader != null) {
//	   while((i<5) && (webLine[i] = reader.readLine()) != null) {
//		   i++;
//	   }
//   }
//
//   //print the 5 lines in verse oder
//   for( i--; i>=0 ;i--) {
//	   System.out.println(webLine[i]);
//   }
//  }
//}