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Parse String

 
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  #1
Nov 19th, 2008
Hi,

Basically, I'm trying to parse a string into a char for submitting into an array, this is what I have so far:

Java Syntax (Toggle Plain Text) 
  1. String strVariable;
  2. Char charVariable;
  3.  
  4. strVariable = "Some String";
  5. charVariable = String.ParseString(strVariable);

The bottom lines yields an error...is this possible to do?
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Re: Parse String

 
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  #2
Nov 19th, 2008
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Originally Posted by Zurompeta View Post
Hi,

Basically, I'm trying to parse a string into a char for submitting into an array, this is what I have so far:

Java Syntax (Toggle Plain Text) 
  1. String strVariable;
  2. Char charVariable;
  3.  
  4. strVariable = "Some String";
  5. charVariable = String.ParseString(strVariable);

The bottom lines yields an error...is this possible to do?
no
first of all, it's no use to parse a String to a String, secondly, you can not put a String object in a char
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Re: Parse String

 
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  #3
Nov 19th, 2008
Makes sense.

Well, to help with the situation, I'm trying to get text from a text field.

Works Fine:
Java Syntax (Toggle Plain Text) 
  1. String strVariable = jTextField1.getText();

Error:
Java Syntax (Toggle Plain Text) 
  1. Char charVariable = jTextField1.getText();

I'm trying to do this because I'm trying to input data into a portion of an array that requires the data to be of a char data type.
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Re: Parse String

 
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  #4
Nov 19th, 2008
it makes sense that you get this error. the getText() method of the JTextFields return a String object.

what you can do, is :
Java Syntax (Toggle Plain Text) 
  1. String strVariable = jTextField1.getText(); 
  2. Char[] allChars = strVariable.toCharArray();

now you have the same data, but as an array of chars, which you can address seperately

Java Syntax (Toggle Plain Text) 
  1. char firstChar = allChars[0];
  2. char secondChar = allChars[1];
  3. ...

instead of a String object
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Re: Parse String

 
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  #5
Nov 19th, 2008
Sorry, I left out some important information.

I have classes set up and the data is being put into classes in the following format:

Java Syntax (Toggle Plain Text) 
  1. array[index].setVariable(variable);

So I tried what you suggested, but I'm not sure how I would implement that.
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Re: Parse String

 
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  #6
Nov 19th, 2008
since I have no idea what kind of object array is an array of, or what kind of type variable has ... how do you think I can help you with it?

if the point is to have this variable as an element in the array though, you're going about it the wrong way. if so, you should do

Java Syntax (Toggle Plain Text) 
  1. array[index] = variable;

if you want a variable within the element of array to be set to variable, you'll have to be just a tad more specific about what you're doing.
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Re: Parse String

 
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  #7
Nov 19th, 2008
Alright, I'll see what I can do about being more specific, I'm finding it a bit hard to explain.

Hmm, well I had to make a UML Class Diagram where each class in the diagram had Attributes in it, and with each attribute is a "get" and a "set". The gets and sets are accessible through arrays. Here's the code from a class that was compiled from the diagram:

Java Syntax (Toggle Plain Text) 
  1. public class GuestPass {
  2.  
  3.     private int guestNum;
  4.     private int numLeft;
  5.  
  6.     public GuestPass () {
  7.     }
  8.  
  9.     public int getGuestNum () {
  10.         return guestNum;
  11.     }
  12.  
  13.     public void setGuestNum (int val) {
  14.         this.guestNum = val;
  15.     }
  16.  
  17.     public int getNumLeft () {
  18.         return numLeft;
  19.     }
  20.  
  21.     public void setNumLeft (int val) {
  22.         this.numLeft = val;
  23.     }
  24.  
  25.     public void getGuestCode () {
  26.         return guestCode;
  27.     }
  28.  
  29.     public void setGuestCode (char val) {
  30.         this.guestCode = val;
  31.     }
  32.  
  33. }

So to get/set from this class I setup an array:
Java Syntax (Toggle Plain Text) 
  1. static GuestPass guests[] = new GuestPass[50];

To get:
Java Syntax (Toggle Plain Text) 
  1. guests[index].getGuestCode();

To set:
Java Syntax (Toggle Plain Text) 
  1. guests[index].setGuestCode('T');

I hope this helps
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Re: Parse String

 
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  #8
Nov 19th, 2008
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Originally Posted by Zurompeta View Post
The gets and sets are accessible through arrays.
the getters and setters are accessible through the instances of GuestPass that you've put in an Array.

now, since I still don't know what exactly it is supposed to do, I'm taking a wild guess here:
Java Syntax (Toggle Plain Text) 
  1.       String strVariable = jTextField1.getText();
  2.       Char[] allChars = strVariable.toCharArray();
  3.  
  4.       GuestPass[] allGuests = new GuestPass[strVariable.length()];
  5.       for(int i = 0; i < strVariable.length(); i++){
  6.           GuestPass help = new GuestPass();
  7.           help.setGuestCode(allChars[i]);
  8.           allGuests[i] = help;
  9.       }
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Re: Parse String

 
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  #9
Nov 19th, 2008
Hey that worked!

Thanks for all the help
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