Why my vector() always always return the last record?

Whenever i uses Vector, my whole vector always return the last element.. why?? Anyway to solve this?
some examples of my codes..
(String)rowVector.elementAt(2)
My rowVector vector always return the last element..
while(rs1.next())
Vector rowVector = new Vector();
for (int currentCol = 0; currentCol < numCols; currentCol++)
rowVector.add(rs1.getString (currentCol + 1));
tableData.addElement(rowVector);

That means that every element in the Vector refers to the same object. I am surprised that your JDBC driver does not return different string objects for each call, but to work around that, try this:
rowVector.add(new String(rs1.getString (currentCol + 1)));

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Why my vector() always always return the last record?

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