Search:

thanks, copeg! your solution worked but it recreated all table from model which contained old data so I had to change approach. now I use model.setColumnIdentifiers(columnNames) each time I need to...

I use following code to change column name:

public void ChangeName(JTable table, int col_index, String col_name){
table.getColumnModel().getColumn(col_index).setHeaderValue(col_name);
}...