package project;

/*
 *Share.java:建立共享屬性和方法。
 */

import java.awt.*;
import javax.swing.*;
public class Share {
        static String operator = "";
        static int condition=3 ;
        static String username="";
        static boolean isleaf = true;
        static int useid;
        static boolean verify (JTextField t) {
                try {
                   int i = Integer.parseInt(t.getText());
                   return true;
                }
                catch (Exception e) {
                   t.setText("數(shù)值不正確!");
                   return false;
                }
        }
}