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serious help!
Subject: serious help!  ·  Posted: 2004-02-21, 01:27pm
Rank: ? (25)
Member #: 10577
I dont think i ever been so lost in my life
i need to do a insert delete fetch update for data structures
here my main class
Code:
  1. package program1;
  2. import javax.swing.*;
  3. import java.awt.*;
  4. /**
  5. * <p> Name: Janine Nicole Cosentino </p>
  6. * <p>Title: Programming </p>
  7. * <p>Description: NYC Telephone Dictionary</p>
  8. * <p>Copyright: Copyright (c) 2004</p>
  9.   **/
  11. public class Main {
  12.   public static void main(String[] args)
  13.   {
  15.     String menu;
  16.     
  17.     do {
  19.    menu = "New York City Telephone Directory" +
  20.        "\nEnter: \n1 to perform an Insert operation"
  21.        + "\n2 to perform a Fetch operation" +
  22.        "\n3 to perform  a Delete operation " +
  23.        "\n4 to perform an Update operation" +
  24.        "\n5 Display the entire data base" +
  25.        "\n6 Exit the Program";
  27.    menu = JOptionPane.showInputDialog(null, menu,
  28.                                       "NYC Telephone Dictionary",
  29.                                       JOptionPane.QUESTION_MESSAGE);
  31.    int guessnum = Integer.parseInt(menu);
  33.    switch (guessnum) {
  34.      case 1:
  35.        JOptionPane.showMessageDialog(null,
  36.                                      "You have chosen an Insert operation", "Insert", JOptionPane.INFORMATION_MESSAGE);
  37.        Phonebook b = new Phonebook (10000);
  38.        Listing L = new Listing ();
  39.        L.getInfoName();
  40.        L.getInfoAdd();
  41.        L.getInfoNum();
  42.        Phonebook b = new Phonebook (10000);
  43.        Listing L = new Listing ();
  44.        L.getInfoName();
  45.        L.getInfoAdd();
  46.        L.getInfoNum();
  47.        String error = b.insert (L);
  48.        if (error =true);
  49.         System.out.println("Structure is full, Insert not done");
  50.        break;
  51.      case 2:
  52.        JOptionPane.showMessageDialog(null,
  53.                                      "You have chosen a Fetch operation","Fetch", JOptionPane.INFORMATION_MESSAGE);
  54.        break;
  55.      case 3:
  56.        JOptionPane.showMessageDialog(null,
  57.                                      "You have chosen a Delete operation", "Delete", JOptionPane.INFORMATION_MESSAGE);
  58.        break;
  59.      case 4:
  60.        JOptionPane.showMessageDialog(null,"You have chosen an Update operation","Update", JOptionPane.INFORMATION_MESSAGE);
  61.        break;
  62.      case 5:
  63.        JOptionPane.showMessageDialog(null,"This will display entire data base","Date Base",JOptionPane.INFORMATION_MESSAGE);
  64.        break;
  65.      case 6:
  66.        System.exit(0);
  67.      default:
  68.        JOptionPane.showMessageDialog(null, "That's not a choice",
  69.                                      "ERROR", JOptionPane.ERROR_MESSAGE);
  70.    }
  74. }
  75.     while (1==1);
  76.   }
  77. }



here my Listing code:
Code:
  1. package program1;
  2. import javax.swing.*;
  5. /**
  6. * <p>Title: </p>
  7. * <p>Description: </p>
  8. * <p>Copyright: Copyright (c) 2004</p>
  9. * <p>Company: </p>
  10. * @author not attributable
  11. * @version 1.0
  12. */
  14. public class Listing
  15. {
  16. private String name;
  17. private String address;
  18. private String number;
  20.   public Listing( )
  21.   {
  23.   }
  24. public String getInfoName ()
  25. { return name;
  26. }
  28. public String getInfoAdd ()
  29. { return address;
  30. }
  32. public String getInfoNum ()
  33.   {
  34.     return number;
  35.   }
  37.   public String setInfoName (String n)
  38.    { name = n;
  39.      return n;
  40.    }
  42.    public String setInfoAdd (String addy)
  43.     {address = addy;
  44.       return addy;
  45.     }
  46.     public String setInfoNum ( String nam)
  47.      { name = nam;
  48.        return nam;
  49.      }
  51.   public void insert ( String L)
  52.   {
  53.     
  54.   }
  56.   public Listing(String string, String string1, String string2) {
  57.   }
  58. }


and here my Phonebook code:

Code:
  1. package program1;
  3. /**
  4. * <p>Title: </p>
  5. * <p>Description: </p>
  6. * <p>Copyright: Copyright (c) 2004</p>
  7. * <p>Company: </p>
  8. * @author not attributable
  9. * @version 1.0
  10. */
  12. public class Phonebook
  13. { private Listing []book;
  14.   
  16. public Phonebook (int s)
  17. {  
  18.   book = new Listing [s];
  19. for (int i=  0; i <s ; i++)
  20.    book[i] = new Listing ();
  22.   }
  24.   public boolean insert(String L)
  25.   {
  26.     if (book[] = Listing L)
  27.     {
  28.       return false;
  29.     }
  30.     else
  31.     {    return true;
  33.     }
  35.   }


 
  Reply to this ·  Post link ·  Top
Subject: updated!  ·  Posted: 2004-02-22, 11:44am
Rank: ? (25)
Member #: 10577
Not executing right:



Code:
  1. package program1;
  2. import javax.swing.*;
  3. import java.awt.*;
  4. /**
  5. * <p> Name: Janine Nicole Cosentino </p>
  6. * <p>Title: Programming </p>
  7. * <p>Description: NYC Telephone Dictionary</p>
  8. * <p>Copyright: Copyright (c) 2004</p>
  9.   **/
  11. public class Main {
  12.   public static void main(String[] args) {
  13.     String number = "";
  14.     String name = "";
  15.     String address = "";
  17.     String menu;
  18.     int n,h;
  19.     boolean error;
  20.     Listing i;
  21.     i = new Listing ();
  22.     Listing f;
  23.     f = new Listing(args);
  24.     Phonebook d = new Phonebook (10000);
  25.     do {
  27.    menu = "New York City Telephone Directory" +
  28.        "\nEnter: \n1 to perform an Insert operation"
  29.        + "\n2 to perform a Fetch operation" +
  30.        "\n3 to perform  a Delete operation " +
  31.        "\n4 to perform an Update operation" +
  32.        "\n5 Display the entire data base" +
  33.        "\n6 Exit the Program";
  35.    menu = JOptionPane.showInputDialog(null, menu,
  36.                                       "NYC Telephone Dictionary",
  37.                                       JOptionPane.QUESTION_MESSAGE);
  39.    int guessnum = Integer.parseInt(menu);
  41.    switch (guessnum) {
  42.      case 1:
  43.       JOptionPane.showMessageDialog(null,
  44.                                     "You have chosen an Insert operation", "Insert", JOptionPane.INFORMATION_MESSAGE);
  45.        Phonebook b = new Phonebook (10000);
  46.        Listing L = new Listing ();
  47.        L.getInfoName();
  48.        L.getInfoAdd();
  49.        L.getInfoNum();
  50.        L.getInfoName();
  51.        L.getInfoAdd();
  52.        L.getInfoNum();
  53.        if (error = true)
  54.        {
  55.          System.out.println("Structure full Insert ");
  56.        }
  57.        else
  58.        {
  59.          System.out.println("Insert Pending");
  60.        }
  61.        break;
  62.      case 2:
  63.      JOptionPane.showMessageDialog(null,
  64.                                  "You have chosen a Fetch operation","Fetch", JOptionPane.INFORMATION_MESSAGE);
  66.    String Key = JOptionPane.showInputDialog("Please enter what you want to fetch:");
  69.       if (d.fetch( Key))
  70.         System.out.println("found" + Key);
  71.         else
  72.           System.out.println("Cant find" + Key);
  74.        break;
  75.      case 3:
  76.        JOptionPane.showMessageDialog(null,
  77.                                      "You have chosen a Delete operation", "Delete", JOptionPane.INFORMATION_MESSAGE);
  81.        break;
  82.      case 4:
  83.       JOptionPane.showMessageDialog(null,"You have chosen an Update operation","Update", JOptionPane.INFORMATION_MESSAGE);
  84.        break;
  85.      case 5:
  86.        JOptionPane.showMessageDialog(null,"This will display entire data base","Date Base",JOptionPane.INFORMATION_MESSAGE);
  88.        i.setInfoAdd(address);
  89.        i.setInfoName(name);
  90.        i.setInfoNum(number);
  91.        d.display();
  93.        break;
  94.      case 6:
  95.        System.exit(0);
  96.      default:
  97.        JOptionPane.showMessageDialog(null, "That's not a choice",
  98.                                      "ERROR", JOptionPane.ERROR_MESSAGE);
  99.    }
  103. }
  104.     while (1==1);
  105.   }
  106. }



Code:
  1. package program1;
  2. import javax.swing.*;
  5. /**
  6. * <p>Title: </p>
  7. * <p>Description: </p>
  8. * <p>Copyright: Copyright (c) 2004</p>
  9. * <p>Company: </p>
  10. * @author not attributable
  11. * @version 1.0
  12. */
  14. public class Listing
  15. {
  16. private String name;
  17. private String address;
  18. private String number;
  20.   public Listing( )
  21.   {
  23.   }
  24. public String getInfoName ()
  25. { name = JOptionPane.showInputDialog("please enter name:");
  26.    return name;
  27. }
  29. public String getInfoAdd ()
  30. {
  31.     name = JOptionPane.showInputDialog("please enter Address:");
  33.    return address;
  34. }
  36. public String getInfoNum ()
  37.   {
  38.     name = JOptionPane.showInputDialog("please enter number:");
  40.     return number;
  41.   }
  43.   public String setInfoName (String n)
  44.    { name = n;
  45.      return n;
  46.    }
  48.    public String setInfoAdd (String addy)
  49.     {address = addy;
  50.       return addy;
  51.     }
  52.     public String setInfoNum ( String nam)
  53.      { name = nam;
  54.        return nam;
  55.      }
  57.   public void insert ( String L)
  58.   {
  60.   }
  62.   public Listing(String string, String string1, String string2) {
  63.   }
  65.   public void delete(int i) {
  66.   }
  68.   public Listing(int i) {
  69.   }
  70. public void fetch (int searchKey)
  71.   {
  72.   }
  73.   public boolean fetch(Listing searchKey) {
  74.     String Key = JOptionPane.showInputDialog("Please enter what you want to fetch:");
  76.    return false;
  77.   }
  79.   public Listing(String[] strings) {
  80.   }
  82.   public void setInfoAdd() {
  83.   }
  85.   public void setInfoName(int n) {
  86.   }
  87. }



Code:
  1. package program1;
  2. import javax.swing.*;
  3. /**
  4. * <p>Title: </p>
  5. * <p>Description: </p>
  6. * <p>Copyright: Copyright (c) 2004</p>
  7. * <p>Company: </p>
  8. * @author not attributable
  9. * @version 1.0
  10. */
  12. public class Phonebook
  13. { private Listing []book;
  14. private int i;
  16. public Phonebook (int s)
  17. {
  18.    int e;
  21.    for ( e=0 ; e<1; e++  
  22.   book = new Listing [s];
  23. for ( i=  0; i <s ; i++)
  24.    book[i] = new Listing ();
  26.   }
  28.   public void insert(Listing L)
  29.   {
  30.     book [i] = L;
  31.     i++;
  33.   }
  34. public boolean delete (Listing L)
  35. {
  36.    int j;
  37.    for ( j = 0 ; j <i ; j++)
  38.     if ( L == book[j])
  39.       break;
  40.     if (j==i)
  41.       return false;
  42.     else
  43.     {
  44.       for (int k=0; k<i;k++)
  45.         book[k] =book [k+1];
  46.         i--;
  47.         return true;
  48.     }
  50. }
  51.   public boolean fetch (Listing searchKey)
  52.   {
  55.     int j;
  56.     for (j=0; j<i;j++)
  57.       if(book[j] == searchKey)
  58.       {
  59.         break;
  60.       }
  61.     if (j == i)
  62.     {
  63.       return false;
  64.     }
  65.     else
  66.       return true;
  67.   }
  69.   public boolean fetch(int searchKey) {
  70.     return false;
  71.   }
  73.   public void display ()
  74.   {
  75.     for (int j = 0; j<i; j++)
  76.      System.out.print(book[j] + " ");
  77.      System.out.println(" ");
  78.   }
  80.   public boolean fetch(String Key) {
  81.     return false;
  82.   }
  83. }


 
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