Advertisements I am having trouble in understanding the difference between the paint and the paintComponent methods defined in the JPanel class. To put you in context, I am trying to draw a chess table; the following is part of the code I have been working on. package main; import javax.swing.JPanel; import java.awt.Graphics; import java.awt.Color; public… Read More Paint and PaintComponent Methods in JPanel

Advertisements When I run my project then I type the password and username in my project then I encounter the error code: no value specified for parameter 2, even though all parameters should be filled in. String user = username.getText(); String pass = password.getText(); String option = options.getSelectedItem().toString(); if( user.equals("awd") || pass.equals("awd") ) { JOptionPane.showMessageDialog(rootPane,… Read More java.sql.SQLException: No value specified for parameter 2 error

Advertisements so I’m new to swing on java and I’m trying to make a login window as a precursor to a program. The login window is quite standard, it has a password and user input, a login button, and an x on the top right. However, I’m trying to make it so that the user… Read More Java Swing login window not closing

Advertisements I was wondering how could a code using JFrame return a chosen path of a file.I don’t need a complex GUI or anything else, just something that allows me to pick a file and return the path i have chosen, stored a String variable. I’d like to know the easiest version of this code… Read More Return a chosen file in java (JFrame)

Advertisements I have a class with only static methods and one of them opens a JOptionPane error message dialogue using a JFrame object as component. This is the class + method: public class miscMethods { static JFrame errorWindow = null; public static void ErrorPopup(String message) { errorWindow = new JFrame(); errorWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); errorWindow.setAlwaysOnTop(true); JOptionPane.showMessageDialog(errorWindow, message, "Error",… Read More JFrame keeps application running even after closing

Advertisements I’m making a restaurant menu in JFrame and I want to display my objects attributes "name" and "price" on the JLabel insted of printing it in the console. I have the application frame set up with some labels: public class App { public static void main(String[] args) { JFrame frame = new JFrame(); JLabel… Read More How to display object's attributes in JLabel? (java)