Ao clicar em campo da tabela, mostrar seu valor em mensagem

private void jTable1MouseClicked(java.awt.event.MouseEvent evt) {
jTable1 table = (jTable1) evt.getSource();
int row = table.rowAtPoint(evt.getPoint());
int col = table.rowAtPoint(evt.getPoint());

if(table.getValueAt(row,col) != null){
    JOptionPane.showMessageDialog(this, "Valor: "+table.getValueAt(row, col));
}
    }

package Tabelas;

import java.awt.Point;

class jTable1 {

    int rowAtPoint(Point point) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    Object getValueAt(int row, int col) {
        throw new UnsupportedOperationException("Not yet implemented");
    }
    
}