在其他单元格中不改变颜色而改变单元格颜色(Jtable)

So say that we have a JTable with 31 columns and 10 rows. And I want to change the color of the 2 Column 4 row to red. And after I do that change another cell color without loosing the color of my previous cell.So say that we have a JTable with 31 columns an