Private variable problem

[DaoK]

ok I have declared a variable as Private Static.


public class tp3

{

private static String allInformation[];
...


but in a SUB I do that :

allInformation = new String[10000];
for (i = 0; i < 10000; ++i)
allInformation[i] = new String();
//After that code I start to pu DATA in the ARRAY.
//All is great since that state.


but now I want to use the DATA in the ARRAY in an other sub and I can not find it because it's empty ?

Why?

[DaoK]

Usually when I put my declaration Private Static it work everywhere but not now why?

[filburt1]

Variable scope problem because your mind has been tainted by VB. Try deallocating it (BTW, do i++, not ++i) or doing this:


String[] toReturn;
// do stuff on toReturn
return toReturn;

[jwm]

Originally posted by DaoK
I want to use the DATA in the ARRAY in an other sub and I can not find it because it's empty ?

Why? [/B]

what do u mean by " can't find it"?

[DaoK]

Anyone know ?

[Dillinger4]

It looks like a scope problem. The String array that you are creating within your method is scoped to that method. Once the method terminates the garbage collector starts to reclaim memory. Try creating a method that takes a String array as an arguement and returns a String array.

[DaoK]

OK but how ? It's very important I need to be able to use all data in that array everywhere in the project. Please tell me how to declare it.

[Dillinger4]

Im sure you could use getters and setters and declare your String array which is a member of your class private. This would probably be good if your application has multiple classes.

[DaoK]

you could use getters and setters and declare your String array which is a member of your class private.

Ok but how...they didnt learn us to do that and I need to be able to that array in all my class please.

[DaoK]

ANy one can give me a piece of code ?

[DaoK]

Question is :

Give me the way to declare a simple Array variable who will be able to access the data anywhere in the class.
THANK YOU

[Dillinger4]

It depends on the way the variable is declared and in what context you are trying to access your array. For instance if your array is declared non-static and you are trying to refrence it from a static context then it wont work. The code that you posted.

allInformation = new String[10000];
for (i = 0; i < 10000; ++i)
allInformation[i] = new String();
//After that code I start to pu DATA in the ARRAY.
//All is great since that state.


you said that in a sub, so i am assuming that you have a method which you are trying too access the String array. You also said that the array is empty or i guess padded with null values, but the block of code you provided only creates (as far as i can see)
empty strings.

[DaoK]

Yes that empty then I put data on it but when I am in another sub after have put some data on it I can not access to it why?

[Dillinger4]

Post your code in it's entirety. This was we can get a better picture of whats going on. :p

[DaoK]

well thx you but i changed the code and remake one who work now.