vector addElement

From:
 korcs <konrad.lindner@gmx.net>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 31 Jul 2007 04:51:13 -0700
Message-ID:
<1185882673.666641.267240@19g2000hsx.googlegroups.com>
Hi,

I have a problem with using a Vector.

I want to store the rows of an sql query resultset in a vector.

I add the values into it in a loop.

Here is my code:

         while (SQLResultSet.next()) {

         // buffering one row

         for(int i=0; i<fields.length; i++) {

                //the row is stored in a string array
             row_container[i] = SQLResultSet.getString(fields[i]);
         }

         buffer.addElement(row_container); // adding the string array to
the vector

         }

In the row_container I store in each iteration one resultset row.

The problem is, that it seems to me, that the addElement method adds
the row_container to the end of the vector and then changes the value
of all its previous instances.

So the content of the vector (after 1,2,3,4 loops) is like:

First loop:
1 | snake | reptile

Second loop:
2 | frog | amphibian
2 | frog | amphibian

Third loop:
3 | tuna | fish
3 | tuna | fish
3 | tuna | fish

Forth loop:
4 | racoon | mammal
4 | racoon | mammal
4 | racoon | mammal
4 | racoon | mammal

Instead of:

First loop:
1 | snake | reptile

Second loop:
1 | snake | reptile
2 | frog | amphibian

Third loop:
1 | snake | reptile
2 | frog | amphibian
3 | tuna | fish

Forth loop:
1 | snake | reptile
2 | frog | amphibian
3 | tuna | fish
4 | racoon | mammal

Could you tell me how could i get the latter result?

Thx.

Best,

korcs

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