import java.awt.Point;
import java.awt.Rectangle;
import javax.swing.JTable;
import javax.swing.JViewport;
public class Main {
public static void main(String[] argv) throws Exception {
JTable table = new JTable(10, 5);
int rowIndex = 1;
int vColIndex = 2;
scrollToVisible(table, rowIndex, vColIndex);
}
public static void scrollToVisible(JTable table, int rowIndex, int vColIndex) {
if (!(table.getParent() instanceof JViewport)) {
return;
}
JViewport viewport = (JViewport) table.getParent();
Rectangle rect = table.getCellRect(rowIndex, vColIndex, true);
Point pt = viewport.getViewPosition();
rect.setLocation(rect.x - pt.x, rect.y - pt.y);
viewport.scrollRectToVisible(rect);
}
}