simple non gui menu

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Join Date: Jun 2009
Posts: 142
Reputation: whiteyoh is an unknown quantity at this point 
Solved Threads: 2
whiteyoh whiteyoh is offline Offline
Junior Poster

simple non gui menu

 
0
  #1
Nov 2nd, 2009
Hi All,

Im attempting to make a simple java menu system. the psueo code is as follows

1. user is presented with menu
2. selection is made
3. that action is ran, i.e make a new user (i have this code seperate, which works)
4. the user is returned to the main menu.

what is actually happening is it keeps ending. I tried using a do while, but i cant seem to get my head around it.

Java Syntax (Toggle Plain Text) 
  1. /*
  2.  * To change this template, choose Tools | Templates
  3.  * and open the template in the editor.
  4.  */
  5.  
  6. package week7;
  7. //import java.io.*;
  8. //import java.io.IOException;
  9. import java.util.Scanner;
  10. /**
  11.  *
  12.  * @author Administrator
  13.  */
  14. public class whileDoTest {
  15.  
  16.     @SuppressWarnings("empty-statement")
  17.     public static void main (String[]arguments)
  18.     {
  19.  
  20.         int menuSelect = 0;
  21.        if (menuSelect ==0){
  22.             System.out.println("Please make your selection");
  23.             System.out.println("");
  24.             System.out.println("(1) - New book     :     (2) - New user     :     (3) - New Load");
  25.             Scanner scan = new Scanner(System.in);
  26.             menuSelect = scan.nextInt();
  27.        }else{
  28.             switch (menuSelect)
  29.             {
  30.                 case 1:
  31.                    if(menuSelect == 1) {
  32.                     System.out.println("Selection 1");
  33.                     System.out.println("(1) - Main Menu");
  34.  
  35.                     break;
  36.                    }menuSelect = 0;
  37.                 case 2:
  38.                     if(menuSelect ==2) {
  39.                     System.out.println("Selection 2");
  40.                     break;
  41.                     }
  42.                 case 3:
  43.                     if (menuSelect ==3){
  44.                     System.out.println("Selection 3");
  45.                     break;
  46.                     }
  47.  
  48.  
  49.             }
  50.  
  51.             }
  52.     }
  53. }
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Join Date: Jun 2009
Posts: 142
Reputation: whiteyoh is an unknown quantity at this point 
Solved Threads: 2
whiteyoh whiteyoh is offline Offline
Junior Poster
 
0
  #2
Nov 2nd, 2009
i have amended the code as follows, but i get an error when i want to return the value back to 0.

Java Syntax (Toggle Plain Text) 
  1. /*
  2.  * To change this template, choose Tools | Templates
  3.  * and open the template in the editor.
  4.  */
  5.  
  6. package week7;
  7. //import java.io.*;
  8. //import java.io.IOException;
  9. import java.util.Scanner;
  10. /**
  11.  *
  12.  * @author Administrator
  13.  */
  14. public class whileDoTest {
  15.  
  16.     @SuppressWarnings("empty-statement")
  17.     public static void main (String[]arguments)
  18.     {
  19.  
  20.  
  21.  
  22.             System.out.println("Please make your selection");
  23.             System.out.println("");
  24.             System.out.println("(1) - New book     :     (2) - New user     :     (3) - New Load");
  25.             Scanner scan = new Scanner(System.in);
  26.             int menuSelect = scan.nextInt();
  27.  
  28.            // switch (menuSelect)
  29.  
  30.             do{
  31.  
  32.  
  33.                     System.out.println("Selection 1");
  34.                     System.out.println("(1) - Main Menu");
  35.                     menuSelect ==0;
  36.                    }while (menuSelect==1);
  37.  
  38.            do{
  39.                     if(menuSelect ==2) {
  40.                     System.out.println("Selection 2");
  41.                     }while (menuSelect==2);
  42.            do{
  43.                     System.out.println("Selection 3");
  44.                     }
  45.                     while (menuSelect ==3);
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Join Date: Nov 2008
Posts: 332
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quuba quuba is offline Offline
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0
  #3
Nov 2nd, 2009
whiteyoh, look at static int ConsoleOptionGUI(String s) method http://www.daniweb.com/forums/thread231390.html
Yet you will not always write all the code in the main method.
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Join Date: Jun 2009
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Reputation: whiteyoh is an unknown quantity at this point 
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whiteyoh whiteyoh is offline Offline
Junior Poster
 
0
  #4
Nov 2nd, 2009
Hi,

Handy link!

I have managed to get it working by using an "if" inside the do.

Ive also split down the code to sub classes.
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