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  1. /* package whatever; // don't place package name! */
  2. import java.util.*;
  3. import java.io.*;
  4.  
  5. /* The class name doesn't have to be Main, as long as the class is not public. */
  6. class Main
  7. {
  8.   public static void main (String[] args) throws java.lang.Exception
  9.   {
  10.     char input1;
  11.             String line = new String();
  12.             ArrayList<String> list1 = new ArrayList<String>();
  13.             Runtime rt = Runtime.getRuntime();
  14.             String filename = new String();
  15.  
  16.             try
  17.             {
  18.              // print out the menu
  19.             // rt.exec( "rundll32 url.dll,FileProtocolHandler " + "http://www.google.com");
  20.              printMenu();
  21.  
  22.              // create a BufferedReader object to read input from a keyboard
  23.              InputStreamReader isr = new InputStreamReader (System.in);
  24.              BufferedReader stdin = new BufferedReader (isr);
  25.  
  26.              do
  27.              {
  28.                  System.out.println("\nWhat action would you like to perform?");
  29.                  line = stdin.readLine().trim();  //read a line
  30.                  input1 = line.charAt(0);
  31.                  input1 = Character.toUpperCase(input1);
  32.                if (line.length() == 1)   //check if a user entered only one character
  33.                {
  34.                    switch (input1)
  35.                    {
  36.                    case 'A':   //Add address process to array
  37.                        System.out.println("\nPlease enter a web address to add to list:\n");
  38.                        String str1 = stdin.readLine().trim();
  39.                        if(str1.startsWith("http://www.") || str1.startsWith("https://www."))
  40.                            list1.add(str1);
  41.                        else
  42.                        {
  43.                            System.out.println("Please enter a valid web address (starting with http:// or https://).");
  44.                        }
  45.                        break;
  46.                    case 'D':    //Show current list
  47.                        System.out.println(list1.toString());
  48.                        break;
  49.                    case 'E':    //Execute current list
  50.                        //rt.exec( "rundll32 url.dll,FileProtocolHandler " + "http://w...content-available-to-author-only...t.net");
  51.                        for(int i = 0; i < list1.size(); i++)
  52.                        {
  53.                            Process p1 = Runtime.getRuntime().exec("cmd /c start " + list1.get(i));                     
  54.                        }
  55.                        break;     
  56.                    case 'R':   //Read list from file
  57.                        System.out.println("\nPlease enter the filename to read: ");
  58.                        {
  59.                            filename = stdin.readLine().trim();
  60.                            System.out.println("The filename am trying check is"+filename);
  61.                        }
  62.                        FileReader fr = null;
  63.                        BufferedReader inFile = null;
  64.                        try
  65.                        {
  66.                            fr = new FileReader(filename);
  67.                            inFile = new BufferedReader(fr);
  68.                            line = inFile.readLine();
  69.                            System.out.println("Test2");
  70.                            while(line != null)
  71.                            {
  72.                                System.out.println("Test3");
  73.                                if(line.startsWith("http://www.") == false || line.startsWith("https://www.") == false)
  74.                                    System.out.println("Error: File not in proper format.");
  75.                                else 
  76.                                    list1.add(line);
  77.                            }
  78.                                System.out.println(filename + " was read.");
  79.                            }
  80.                            catch(FileNotFoundException exception)
  81.                            {
  82.                                System.out.println("The file " + filename + " was not found.");
  83.                                break;
  84.                            }
  85.                            catch(IOException exception)
  86.                            {
  87.                                System.out.println("Error. " + exception);
  88.                            }
  89.                            finally
  90.                            {
  91.                                if(inFile!=null)
  92.                                inFile.close();
  93.                            }  
  94.  
  95.                        break;
  96.                    case '?':   //Display Menu
  97.                        printMenu();
  98.                        break;
  99.                    case 'Q':    //Quit    
  100.                        System.out.println("Goodbye!");
  101.                        System.exit(0);
  102.                    }//end switch
  103.                }//end if
  104.             else
  105.                 System.out.print("Unknown action\n");
  106.              }//end do
  107.              while (input1 != 'Q' || line.length() != 1);
  108.             }
  109.  
  110.             catch(IOException e1) 
  111.             {
  112.                 System.out.println("Error: " + e1);
  113.             }
  114.         }//end main
  115.         public static void printMenu()
  116.         {
  117.             System.out.print("Choice\t\tAction\n" +
  118.                              "------\t\t------\n" +
  119.                              "A\t\tAdd Web Address to List\n" +
  120.                              "D\t\tDisplay Current List\n" +
  121.                              "E\t\tExecute Current List\n" +
  122.                              "R\t\tRead List from File\n" +
  123.                              "?\t\tDisplay Menu\n" +
  124.                              "Q\t\tQuit\n");
  125.         }//end of printMenu()
  126.  
  127.  
  128. }
Success #stdin #stdout 0.07s 380160KB
comments (?)
stdin
copy 
R
C:/MyFileName
Q
stdout
copy 
Choice		Action
------		------
A		Add Web Address to List
D		Display Current List
E		Execute Current List
R		Read List from File
?		Display Menu
Q		Quit

What action would you like to perform?

Please enter the filename to read: 
The filename am trying check isC:/MyFileName
The file C:/MyFileName was not found.

What action would you like to perform?
Goodbye!
https://ideone.com/tJ1VOH
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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