Swing is the name for the GUI toolkit that is packaged with the standard Java SDK. (since 1.2)

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Number Memory Game (JApplet)

I coded a JApplet game that allows the user to play a game that displays a sequence of 4 numbers that must then be input into a ...
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54 views

Swing JButton: correct way to add action listener?

I'm aware that there are existing questions about JButtons, but I haven't found anything that's asking exactly what I'm trying to figure out. I inherited a Java project that has a horrible structure; ...
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47 views

Database assignment with MySQL and Swing

I have completed this assignment from Stanford CS108 on MySQL and Swing (it's part B). And it would be wonderful if someone could point out my week spots in code and overall design. I have uploaded ...
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2answers
74 views

Small password generator app with GUI, v2

GUI-based pseudo-random password generator. Modification of this app, improved according to suggestions from Code Review users. Additional feature: calculation of time to crack password on average ...
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4answers
246 views

Chess Architecture

I am currently developing a chess game but have made the mistake of putting all my Java code in one .java file. I need help cutting up my code into more manageable chucks. Could someone show me how ...
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0answers
27 views

Initializations for applet

I have the following code in my class and its init() method. It works fine as it is but I'm wondering if there's a better way to do this so that my init() and ...
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1answer
47 views

Swing application: Working with GridBagLayout and Mediator pattern

SCENARIO: As a follow-up of this question on Stackoverflow asked few days back, I am working on a swing application(article tagging tool) where the user(on an initial jpanel) would fill up some ...
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1answer
98 views

MySQL Java in JTable

This is an assignment posted here. (Part-B) The aim here is to create a GUI in which the user can search for and insert data into a particular table of a MySQL database. Is this an appropriate ...
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5answers
1k views

Small password generator app with GUI

This is a GUI-based random password generator, which supports internationalization. It consists of 6 small classes: Main classes: Application - entry point ...
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2answers
121 views

Using database connection and GUI

In my project there are a lot of GUI so I have a class for each GUI. I created a class to connect to my db (MySQL). Remember, I don't have problems with code not working. The code (important to this ...
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1answer
81 views

Simple Cellular Automata (think Conway's Game of Life) simulator

Firstly, let me say that this code works, as posted. It fills a 10x10 grid with a random color (black/white) then runs a cellular automata simulation on the grid, starting or pausing when the button ...
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1answer
121 views

Pokemon Type Evaluator part 2

I started anew and completely refactored the way I implemented Pokemon Type Evaluator. Also, first use of a lambda expression (Case of using it, but still don't fully grasp how it's working). I'm ...
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3answers
873 views

Simple FizzBuzz

I wanted to try FizzBuzz, but to do it in the most efficient way. I think this method employs most of the concepts I learned here. Is there anything unaccounted for? A sprinkle of Swing since that's ...
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2answers
86 views

Reorganize a maze game from one large class into smaller classes

I'm new to Java and I really don't understand how to make more classes work like one. So if anybody could explain and help me divide my large code into smaller classes (like Player.java, Main.java, ...
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7answers
819 views

Too-high / too-low guessing game in Swing

I have created this program and it works fine. It's just that its too wonky and huge so I was wondering if anyone knew how I could shorten the program so I didn't have to put all of these into each ...
5
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1answer
63 views

Determine maximum window bounds

Preamble: the default frame positioning with Swing JFrames has always bothered me. Eventually I wrote some code to calculate my available desktop space, not ...
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3answers
1k views

Pokemon Type Evaluator

I thought I would apply what I learned to make something fun. Its purpose is to type check Pokemon, for anyone familiar with the series. It mostly works but I have two concerns: Sometimes you write ...
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1answer
86 views

Pausing a SwingWorker with a Timer

I made a SwingWorker which is fetching tweets using the twitter4j API. The twitter API will allow 180 queries every 15 minutes, and then throw an exception with ...
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1answer
134 views

Opening contents of a file using Swing and SwingWorker class

I want to open a file contents using swing. For this I used the SwingWorker class. This application took more time (more than a minute) to load a large file ...
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1answer
52 views

Creating a “Produce and Consume” using Swingworkers

I am experimenting with the produce and consume concept while trying to incorporate it into my own project. I basically have two Workers in a small example I made: ...
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1answer
112 views

Breaking memory game code into MVC form

I am currently coding a memory game whereby upon the game starts with 14 cards displayed faced down. The player will start by clicking on 2 cards. The cards will be revealed. If both of the card ...
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1answer
66 views

Periodically checking for internet connection

I have a SwingWorker which checks periodically for an internet connection and updates a jLabel accordingly. ...
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3answers
358 views

Very Basic Java Piano

I've been reading "Head First Java" and some of the early projects surround basic swing and basic MIDI. So I've put the two together and written a basic "Synthesiser"/"Piano" using what I have ...
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1answer
80 views

Implementation of MVC pattern with paintComponent method

Could someone review my code, with respect to OOP, clean code and MVC pattern? Main app: ...
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1answer
113 views

Separating Logic from GUI

I am new to Java's Swing and built a test client that connects to a server. I was wondering if my use of a Controller class as a link between the classes ...
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1answer
108 views

Inefficient Stopwatch - revised

This is my revised code of Stopwatch: ...
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1answer
137 views

Inefficient Stopwatch

I have just finished a simple GUI stopwatch, but some of its code looks like it needs replacing. This is the code: Clock class (extends Thread): ...
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1answer
198 views

Simple Operations Calculator

I'm practicing Swing effects. Everything works but for some reason I get a ton of error messages in the command prompt when the fields are empty, despite my attempt to add some exception handling ...
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2answers
1k views

Basic Calculator using Java Swing and AWT

I created a basic desktop calculator using Java. Does anyone have any suggestions as far as coding best practices, readability issues, or just generic coding mistakes I might have missed? Any ...
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1answer
73 views

Rotating background using Swing: performance issues

In a jPanel, I'm displaying a 1203x1203 background that I rotate every 30ms. Problem is, Swing is known to be a slow library, and I assume rotating a huge picture at a quick rate would be quite ...
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2answers
2k views

Swing calculator - first GUI program

I've recently made a calculator using Java and Swing. I'm okay with the results but I'm curious what are the major flaws I've made (assuming there are, because it is my first program making GUI). I ...
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3answers
497 views

Small notepad editor

I decided on making a small notepad editor in Java using Swing and I think it functions pretty well. Unfortunately, my skills in making my project tidy and organized has abandoned me; it looks like ...
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2answers
116 views

Simple GUI using tabs to separate application windows

I'm designing a simple GUI using tabs to separate each 'window' of the application. There are 3 main tabs, each with 2 sub-tabs. In one class I create the entire hierarchy of panes and panels: ...
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1answer
850 views

MouseListener Lag in Piano Tiles game

I was attempting to write my own simple version of the Piano Tiles game app in Java just as a fun exercise. GameLogic.java ...
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1answer
301 views

Organizing code in small Mario game

I have a little Mario game I started working on realize that it's format is very messy, can anyone critique my code on how to make it better, faster, neater, easier to access. frame.java ...
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3answers
1k views

2048 game clone in Java

I made a 2048 game clone in Java for training, and I am trying to make it more efficient. The problem I found is the paintComponent() method always resets all the ...
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1answer
226 views

Simple stop watch

I'd like my code to be solid and good. That's why I want someone a little more experienced to give me some feedback so I can improve. Here is the code for a simple stop watch that I created. I feel ...
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1answer
154 views

MVC Layout - Which way to add listeners is better?

So I'm doing a basic MVC layout for a pretty basic game that I am making. The game requires the user to move up/down/left/right via buttons on the GUI. Since I'm using an MVC layout and my buttons are ...
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1answer
219 views

Winning Loop Connect 4

I am writing a fully functional single player Connect 4 game. I am working on the second player and the while loop that tells the player who won. GUI ...
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1answer
116 views

Interacting with GUI class and Main class

Usually when I make mock-up programs (like this one), I look for things I can improve on in case the situation happens again. Today I thought I'd brush up on basic OOP (I understand the concept of ...
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4answers
2k views

“Guess my number” game in Java Swing

Also posted at rgcsm.info/blog ...
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2answers
89 views

Executing a file through a swing button

I am making a Swing application for light local database management and I have the button Run XAMPP. When that button is pressed this code is executed: ...
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1answer
83 views

PanelScrollable - a reusable class for rendering a changeable number of panels

This class (PanelScrollable) is part of my view package, in an MVP designed Java Swing system. I am not using any MVP ...
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1answer
9k views

Basic Calculator in Java with Swing

I used a standard calculator design from Java. I wanted to expand it so I created a class to create buttons for different operations, like +, ...
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2answers
70 views

Did I properly encapsulate this package?

My goal is to make File_Path_Handler constructor the only thing a user can access. Oh, is it too coupled? but the main question is: is File_Path_Handler the only accessible part of this package? ...
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2answers
129 views

How many squares can you see?

With a positive outlook, I posted this challenge at Programming Puzzles & Code Golf. I tried to come up with my own solution to the challenge which is as follows: The output is displayed (not ...
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1answer
340 views

Correctly implementing the Swing TreeModel

Ideally the Code Review would target the correctness of the approach implementing the Swing TreeModel. In particular, is the structural separation[1], event message passing, threading[2], object ...
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2answers
89 views

Component-oriented implementation of JList

One of the main problems I have with JList is that no component is actually added to it. This means that things like ...
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3answers
106 views

Reducing repetition and utlizing EDT

I am working on the largest Java program I have undertaken to date and feel uncertain in my current code practices. I think that I state and repeat things that don't need to be which can become a ...
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2answers
108 views

Long Thread & EDT

I’m trying to make a simple gui app that starts a “long” process that can be started and stopped. The process generates random numbers and displays them in a JList. As numbers are being displayed ...