Sorting Table is wrong when the sort button be pressed more than once?

Question

I have a problem here. I create program to add data to the table and sort it when i press the button. when i press the sort button once, it isn\'t wrong. but when i press ag

Answer 1

No where do you actually tell the TableModel that it's contents have changed...

Now, the thing that weirds me out, is you are keeping a Vector of the rows outside of the model...

mS.merge_sort(0, rows.size()-1, n);
temp.setSize(rows.size());
for(int i=0;i

Once the data has been handed to the table model, you should not be interacting with it, unless you are willing to notify the table model of the changes.

Personally, I would simply use the inbuilt sorting capabilities of the JTable

ps- I would also, strongly, encourage you to learn how to use layout managers, they will save your sanity in the long run