How to use

setBorder

method

in

javax.swing.table.DefaultTableCellRenderer

/**
 * @see javax.swing.JComponent#setBorder(javax.swing.border.Border)
 */
public void setBorder(Border b) {
  if (useUIBorder || b instanceof SeaGlassBorder) {
    super.setBorder(b);
  }
}

/** Overridden to combine the expansion border (whose insets determine how
 * much a child tree node is shifted to the right relative to the ancestor
 * root node) with whatever border is set, as a CompoundBorder.  The expansion
 * border is also responsible for drawing the expansion icon.  */
public final void setBorder (Border b) {
  if (b == expansionBorder) {
    super.setBorder(b);
  } else {
    super.setBorder(BorderFactory.createCompoundBorder (b, expansionBorder));
  }
}

DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
 renderer.setBorder(BorderFactory.createMatteBorder(0, 0, 3, 0, Color.RED));
 renderer.setOpaque(true);
 renderer.setBackground(Color.WHITE);

 fallbackRenderer.setBorder( UIManager.getBorder( "Table.focusCellHighlightBorder" ) );
} else {
 fallbackRenderer.setBorder( NO_FOCUS_BORDER );

@Override
public Component getTableCellRendererComponent(JTable table, Object value,
    boolean isSelected, boolean hasFocus, int row, int column) {
  if(delegate instanceof DefaultTableCellRenderer) {
    DefaultTableCellRenderer tr = (DefaultTableCellRenderer) delegate;
    if (table != null) {
      JTableHeader header = table.getTableHeader();
      if (header != null){
        tr.setForeground(header.getForeground());
        tr.setBackground(header.getBackground());
        tr.setFont(header.getFont());
      }
    }
    tr.setBorder(UIManager.getBorder("TableHeader.cellBorder"));
    tr.setHorizontalAlignment(SwingConstants.CENTER);
  }
  return delegate.getTableCellRendererComponent(table, 
      HeaderAsPropertyRenderer.getText(value, row, column, null), 
      isSelected, hasFocus, row, column);
}

public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
    int row, int column) {
  if (value instanceof MatrixGUIObject) {
    matrixGUIObject = (MatrixGUIObject) value;
  } else if (value instanceof Matrix) {
    matrixGUIObject = (MatrixGUIObject) ((Matrix) value).getGUIObject();
  } else {
    matrixGUIObject = null;
  }
  setSize(table.getColumnModel().getColumn(column).getWidth() - 1, table.getRowHeight(row) - 1);
  if (isSelected) {
    super.setForeground(table.getSelectionForeground());
    super.setBackground(table.getSelectionBackground());
    super.setBorder(borderSelected);
  } else {
    super.setForeground(table.getForeground());
    super.setBackground(table.getBackground());
    super.setBorder(null);
  }
  setFont(table.getFont());
  return this;
}

 fallbackRenderer.setBorder( UIManager.getBorder( "Table.focusCellHighlightBorder" ) );
} else {
 fallbackRenderer.setBorder( NO_FOCUS_BORDER );

renderer.setBorder(new LineBorder(Color.BLACK));

DefaultTableCellRenderer aux = new DefaultTableCellRenderer();
aux.setOpaque(true);
aux.setBorder(BorderFactory.createBevelBorder(EtchedBorder.RAISED));
aux.setHorizontalAlignment(DefaultTableCellRenderer.CENTER);
aux.setForeground(header.getForeground());