This is my code, i want to know by adding or modifying what can i have my code refresh the JTable everytime its accessed.

package library2;

import java.awt.Dimens ion;
import java.awt.FlowLa yout;
import java.awt.GridLa yout;
import java.awt.Image;
import java.awt.event. ActionEvent;
import java.awt.event. ActionListener;
import java.sql.Connec tion;
import java.sql.Driver Manager;...