Documentation. Help with making a GUI Solitaire game - posted in Java: Hey Guys, So I want to make a GUI solitaire game in Java. 2007 - The Lobby/Domination (lobby is a online games lobby where u can go and meet new people to play Domination and later other games against) code is almost done, i am looking for a dedicated server to host it on, if u know of anyone who can get me a server in exchange for advertising on the site then please tell me. The first layer is the window used to move the application around the screen of your computer. Objectives: Manipulate Images with user input and collisions. The modification on the game can be done as desired. Create an account or log into Facebook. Take a frame. Sketch and annotate mockups, exports to Word, PDF, HTML, or images. Java 7 hasn't been qualified against 6. Partner Program Developer Groups Built for BlackBerry Apps BlackBerry Builder Support Code Signing Help Developer YouTube Channel Developer Forums Knowledge Base BlackBerry World Sign your app Submitting your app Follow us on: Facebook YouTube Twitter BlackBerry Blogs BBM Channels Legal & Trademarks. Tech Support Guy is completely free -- paid for by advertisers and donations. This page is kept here for historical purposes but will no longer be updated. The mystery of "repaint" When the repaint() method of a Java GUI component is called the screen does NOT repaint immediately. This tutorial will guide you from simple functions to more advanced features. Sell Your Game Bringing your game to the App Store, Google Play or alternate stores like Steam is the best way to make money and reach millions of players. I do use Eclipse but I decided to use Java Foundation Classes (JFC) and Swing. Before discussing tic tac toe java code , we should learn about the rules and regulations first. The snake is initially positioned at the top left corner (0,0) with length = 1 unit. The code uses inputDialogs to "talk" the the player. This virtual manipulative uses plus-minus chips to demonstrate adding positive and negative values. 5) Mediocre - the project of Mediocre chess engine (java v. Sign up Monopoly / src / Board. It is possible to play both White and Black. Hi all! this is my first time to posting a question, i hope all of you will help me. Read users' reviews and get free safe software updates. The download file Chess-master. Puzzle Game project is a desktop application which is developed in Java platform. Do I make a new class for the GUI?. You can easily find dozens of similar source code by googling around , h owever, a majority of them are far from being simple that the game requires , containing complex scripts and. This javascript game is another guessing game. Design the Game of Life (Chapter 7, Programming Project13) using classes. The game-playing engine is under 1000 lines of code, but includes some advanced techniques. readObject() and writeObject() methods 5. I am not asking for help doing the logic code, I just need help setting up the GUI part. In JavaFX, my chess board will extend Scene and will be added to my Stage object. OpenVX is a royalty-free open standard for portable, optimized, and power-efficient vision and machine learning inferencing acceleration, vital to embedded and real-time use. User Interface Discussion - The development board for the game called Wild. Hi, Looking for a little help with my next project. The goal is to help students learn to program in the most popular language in the world: Java. --so the holes should be able to keep coun. 99 source doesn't use bitboards, so movegen is simpler but slower. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs. swing package. It is only the interfaces to the two very simple classes Score and Move and the slightly more complex class Game that you need to understand if you are only interested in studying the move engine. The CodeMonkey tagline sums up the focus of the educational program, both for teachers and students: “Write code, catch bananas. Java GAME Programming Game Engine & FrameWork Click the image to run applet demo Instead of writing games in an ad-hoc manner (which I did but found it grossly inefficient), I decided to put up a framework for programming games in Java. invokeLater() (which is used in the NetBeans' Visual GUI Builder). Related Posts to : Snake Java (SE) Game need help in java 1. GitHub Gist: instantly share code, notes, and snippets. In Java Programming Challenge: A Simple Tic-Tac-Toe Game and Java Programming Challenge: Adding Class to the Simple Tic-Tac-Toe Program you are. 1 SP1 which is due out Real Soon Now. Attractive graphics combined with a powerful chess engine makes Mayura Chess Board one of the best programs for playing chess on Windows PCs. In Java, the game is known as Congklak, dakon, dhakon or dhakonan. and/or its subsidiaries. This class handles keeping track the of the state of the board and if the board is a winning board. The World Digital Library will make available on the Internet, free of charge and in multilingual format, significant primary materials from cultures around the world, including manuscripts, maps, rare books, musical scores, recordings, films, prints, photographs, architectural drawings, and more. We have posted the two version of Tic Tac Toe game , one is simple graphics you can find the code here Simple Gui Tic tac toe game in version 2 , we have improved the look and feel of the game. rar), which is a compressed file of 305 MB. Understand cloud-native concepts provided by Kubernetes and Istio, and learn how to write microservices with Java EE and Eclipse MicroProfile. We can use Eclipse or the NetBeans IDE. Question: Need To Make A Reversi/Othello Board Game In JAVA (please Read Entire Post I've Already Wasted Three Questions On This Topic- THIS IS A BASIC JAVA PROGRAM NO APPLETS, NO THREADS, NO GUI, JUST SIMPLE CONSOLE COMMANDS, WHICH WILL UPDATE THE BOARD VIA SYSTEM. This includes the latest and free courses to help you build your very first java game. java that shows how to create simple Board , then ChessBoard extends. This chess simulator will help you to master your chess playing skills, to train your intellectual capacity and give you lots of entertainment. Nice graphics and addictive gameplay will keep you entertained for a very long time. Or more accurately, taught, tested, and accredited by universities. Our Java tutorials explain how to program in Java, with specifics like how to use JDBC to integrate MySQL databases. Snakes and Ladder Game This program will simulate a regular snakes and ladders game, where you will be facing the computer. For example, suppose we want a class named "A", then we would start Notepad with the name of the Java file:. 4 Directional. All download links are direct full download from publisher sites or their selected mirrors. You should. Contact Information. Cyber World Game GUI. If you click and drag, you add cells. Objectives: Create GUI using swing objects and use Java dot net to pass messages to and from clients. My intention is to make a frame with a background image of the board and on top of that(as in an upper layer) a grid where I would be able to assign coordinates for each square of the grid. It reminds me of reading Effective Java, which I would consider to be one of the best books I've ever picked up. Java allows us to define and use other classes within class implementations in this natural way. final int NUMCOL; // number of columns on the game board. java, Square. Instructions: For each question, choose the single best answer. RyiSnow 28,730 views. The game provides the atmosphere of the island of Java on a hexagonal board. I will be creating a custom chess board GUI component in JavaFX. Help is most appreciate Cheers. Command ships and control planets, etc. Tutorial: Creating GUI Applications in Python with QT by Alex Fedosov. * CONNECT FOUR SOURCE CODE PDF */ * Constructs a game given a board * @param playerNum the player whose move it is * @param thePlayers the player objects. Today The Khronos Group announces the ratification and public release of the OpenVX™ 1. 9 numbered buttons from 1 to 9. Open Source Software in C# Open Source Aspect-Oriented Frameworks in C#. Approve code review more efficiently with pull requests. It's all behind an abstract interface. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. This page is kept here for historical purposes but will no longer be updated. This is just a small pong game I coded up in java to practice for an exam. I wrote a version of San Juan based on Mark Haberman's VB app. Mastering Redmine is a comprehensive guide with tips, tricks and best practices for using Redmine. JD-GUI is a standalone graphical utility that displays Java source codes of “. Synchronizing. Joyful Space - Game GUI. A major factor in what makes or breaks immersion is how easy it is for your player to convert an idea into an in-game action -- that is, how fluid your game's User Experience (UX) is and how well-designed its User Interface (UI) is. java ==== This is the GUI (graphical user interface) class for a three-file solution which implements the game of tic tac toe. First time writing a big project in OOP. Play Go Online. Nice graphics and addictive gameplay will keep you entertained for a very long time. Consider the problem of implementing a computer program to play a game. soorefunmi ( 54 ) in javaprogramming • 2 years ago (edited) In the previous tutorial, where we created a simple text pad, we learnt how to set up the IDE, create the main class and also create the GUI and in case you missed it, you can check it out HERE. Checkers is a two-player game, where one player is assigned white checkers and the other red. invokeLater() is a cover for java. How do I use JAVA in my GUI? GUI_38 43. The modification on the game can be done as desired. Use your mouse to control a "spring board" and prevent the falling ball from hitting the ground while knocking off the above bricks with the ball. Computer based board games simulate some kind of board game you'd play on a table top with friends, like monopoly, Mille Bourne, chess or checkers. The GUI should resemble the one shown. 1 Chenyang Xu The following is a GO java applet for people to play GO game locally. 5) Mediocre - the project of Mediocre chess engine (java v. GameDev Market is a marketplace for high quality, affordable 2D, 3D, GUI & Audio game assets, handcrafted by talented creators around the world. We can use Eclipse or the NetBeans IDE. Free connect four game - play online. The code which drives GUI applications is event-driven. The objective of this lab is to expand on the Graphical User Interface. How do I force the figure to maintain focus between uicontrol activations? GUI_38 44. i need a window that has 2 grids, one on the right and one on the left. It includes package lets you make GUI components for your Java applications, and It is platform independent. suitable for simpler cases, using low numbers of timers (say less than a dozen) runs ActionListener objects on the event dispatch thread; if the task completes quickly (say under 300 milliseconds), then it may be run directly on the event dispatch thread, without locking the GUI. Psychology & Neuroscience Stack Exchange Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry. The graphical user interface (GUI / ˈ ɡ uː i / GOO-ee) is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation. Com games has free download flash games and flash games, such as free download ,flash games free download and more. Here, I have build a GUI (graphical user interface) version of the Tic-Tac-Toe game. It enables Java developers to create sophisticated GUI applications using drag-and-drop interface without spending a lot of time writing code. Simple and intuitive GUI - Graphical User. Meeples unite! Here are our picks for the best board games for 2019. Author and game developer Timothy Wright shares his toolkit of code and expertise to help you speed up the process of game programming in Java. Create a Yahtzee Dice Roller and Scorer in Compiled JavaFX Script Roll the Dice post in order to create a Yahtzee dice roller and scorer. If I were doing this in Java, my chess board would extend JPanel and I would add this JPanel to my JFrame. Application. OpenVX is a royalty-free open standard for portable, optimized, and power-efficient vision and machine learning inferencing acceleration, vital to embedded and real-time use. This Java project with tutorial and guide for developing a code. If your game will have characters or a story, create them. Images used in this tutorial can be downloaded here. Includes Checkers, Reversi, Five Field Kono, Nim Skulls, Pentalpha, and Taxi. You should not modify it in any way until after your program plays a legal game as described by the rules outlined in the. Change the package name as required. Featuring a robust engineering design, completely generated internals, a lovingly crafted layer presenting the public API, and steadily increasing coverage of the underlying libraries. How do I get the Lot images on the board and thing like that. The Game of Life is not your typical computer game. Don't forget to leave or post your comments or suggestions about this tutorial. coverting console game to GUI Hi there, I am fairly new to Java (started learning it this August) and I have an assignment that I do not know how to approach. Java Game Haus Cafe - 11018 Old Saint Augustine Rd #104, Jacksonville, Florida 32257 - Rated 4. If so can anyone guide me on this. Daily games and puzzles to sharpen your skills. The code repository is now on Github as the !!aimacode project Language Choices What languages are instructors using? To get an approximate idea, I gave the query [norvig russell "Modern Approach" language] where language is one of the languages below, and looked at the estimated hit counts (in thousands) on various dates. That is, you need to consider your opponent's move after your next move. java that shows how to create simple Board , then ChessBoard extends. 4 are now available. SAVE: Save the current config to a file on disk. Free for small teams under 5 and priced to scale with Standard ($3/user/mo) or Premium ($6/user/mo) plans. I was wondering if there might be a generic GUI tool that I could use to build the game. Thanks for your question. readObject() and writeObject() methods 5. In the other hand, games like Minecraft, have millions of users and are developed by only one developer, without the support of a big company. These include initializing the board (which can be called to also reset the board state), printing a representation of the board state (so you can see what the game looks like at that point in time) and a check to see if the board is full (for detecting a draw scenario). Android must be by now the most used operative system for smart phones. It has many game options and includes many maps. Tarrasch comes with a free database and chess engines, (including Stockfish and the demo versions of Houdini and Komodo), so you get everything you need to enjoy computer chess with one simple download. --I am thinking of a way to Construct a GUI for a 4X8 mancala board game. Home >> Best Chess Interfaces and GUIs Chess engines are normally not standalone programs: they need an adequate interface in order to run them. Sadly the code for that is not on the web at the moment. Your early work will be exclusively in the model. User Interface Design Pattern Library. Hold the large square upright. For that we use d GUI (Graphical User Interface) in this. gui contains a graphical user interface (view) while monopoly. Without it, the game will not be able to respond to key presses at the moment it needs to. however Im not sure where to get started with this. (No computer player is considered in this project. Tic Tac Toe is a very popular game among all generation. This tutorial will teach you the basics of programming 2D games in Java programming language and Swing GUI toolkit. GameDev Market is a marketplace for high quality, affordable 2D, 3D, GUI & Audio game assets, handcrafted by talented creators around the world. RyiSnow 28,730 views. The application will be text based and I do not want any pictures of the cards. Packt is the online library and learning platform for professional developers. This is the GUI Example. This page is kept here for historical purposes but will no longer be updated. First, we're going to start by creating a new class, or Java file. 99 source doesn't use bitboards, so movegen is simpler but slower. Written in java it includes a map editor, a simple map format, multiplayer network play, single player, hotseat, 5 user interfaces and many more features, it works in all OSs that run java 1. Java Training and Tutorials. 4 years ago. We offer simple Java games of popular boardgames. Estell Electrical & Computer Engineering and Computer Science Department Ohio Northern University Ada, Ohio 45810 [email protected] You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. Adam Sinicki. There are two ways to get a message board (forum) on your web site: 1) You can outsource a pre-created board that is hosted on a 3rd party site (remotely hosted), or. Java is a general-purpose programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as possible. OpenGL is the software interface to graphics hardware. Free tutorials and online courses to help you learn game development from experienced industry instructors, for building and designing your own games. - Drag the coins on the table to total the amount your helper asks for. If you are not familiar with this game, the object is to remove as many marbles as possible from the board. Rails is a Java game engine intended to play any of the 18xx series of turn-based board games For 3-6 players and set in the 19th century, these games allow players to step into the shoes of the robber barons and railroad tycoons of the time period. Is it ok to have so many static member variables?. 11 (which makes m Creating simple GUI interface for BattleShips (Beginning Java forum at Coderanch). This is Java 2D games tutorial. Similarly, you may download free Windows 7 games for kids or board games for the whole family to enjoy. The snake is controlled with the cursor keys. I have to do a Java project for school and I decided to make a board game: Stratego. Source code for the 0. Java is a general-purpose programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as possible. GiGi (aka GG) is a GUI library for OpenGL. Consider the problem of implementing a computer program to play a game. Or more accurately, taught, tested, and accredited by universities. HashSet and java. How do I write a chess game in Java? preferably GUI projects, to put. If you click and drag, you add cells. Everything is stored online, so sharing your games is simple. Click the image to run the demo for the various AI strategies (under the "Options" menu): Tic-tac-toe seems dumb, but it actually requires you to lookahead one opponent's move to ensure that you will not loss. Note: javax. Eclipse is a universal tool platform - an open, extensible IDE for anything, but nothing in particular. It supports saving and loading of board setups, undoing moves,. The GO Game Applet v1. Java is one of the best of these German style games; however, it is a little heavy. Please contact us if you have any suggestions. I totally agree with you about Java UI being ugly. Connect four is a two-player board game in which the players alternately drop colored disks into a seven-column, six-row vertically suspended grid, as shown below. The Eclipse Foundation - home to a global community, the Eclipse IDE, Jakarta EE and over 350 open source projects, including runtimes, tools and frameworks. It is played on a 7x7 board which is initially filled with squares, except at the starting positions of the pieces. Become an assassin, catch a lolrus, use a time travel condom or unleash an explosive sheep! Hundreds of events and items make for one hell of a hilarious game!. Game Trees by Yosen Lin ([email protected] Click the image to run the demo for the various AI strategies (under the "Options" menu): Tic-tac-toe seems dumb, but it actually requires you to lookahead one opponent's move to ensure that you will not loss. suitable for simpler cases, using low numbers of timers (say less than a dozen) runs ActionListener objects on the event dispatch thread; if the task completes quickly (say under 300 milliseconds), then it may be run directly on the event dispatch thread, without locking the GUI. Free tutorials and online courses to help you learn game development from experienced industry instructors, for building and designing your own games. const int MAX = 80; This is the size of the grid. These are the classes that handle the board. Nice graphics and addictive gameplay will keep you entertained for a very long time. Players must enter a number between 0 and 7 (both inclusive) to specify the column in which he/she wants to drop his/her chip. Objectives: Manipulate Images with user input and collisions. What board games have you written in Java? I'm particularly interested in those that you would share the source code to. In this tutorial, you will learn the basics of 2D game programming in Java. So, I get two or three emails a day, all basically asking the same thing: "Where can I learn about electronics?" In general, most of these people have seen some of my projects and want to be able to build similar things. (see the full list below). A fast, free and fun open source framework for Canvas and WebGL powered browser games. How do I write a chess game in Java? preferably GUI projects, to put. If a player completes a row, column or diagonal with their mark, they win, and the game ends. creating a tic-tac-toe game with java. "I just wanted to take a second to say that this site is really useful. You can buy it online. Tic Tac Toe AI [ Minimax Algorithm ] with GUI using JavaFX [Tic Tac Toe][Artificial Intelligence][Minimax][Java][JavaFX]. Rails is a Java game engine intended to play any of the 18xx series of turn-based board games For 3-6 players and set in the 19th century, these games allow players to step into the shoes of the robber barons and railroad tycoons of the time period. NET Framework, it uses Dynamic Proxies and XML configuration files as basis. SJCE - Strong Java Chess Engines, free portable cross-platform graphical chess game, 100%-pure Java. Using this virtual manipulative you may:. First of all the more intuitive the user interface the easier it is to use, and the easier it is to use and the less expensive to use it. It reminds me of reading Effective Java, which I would consider to be one of the best books I've ever picked up. Game allows only legal moves. This Java course will provide you with a strong understanding of basic Java programming elements and data abstraction using problem representation …. Right now it is all console text based. Yixin-Board. GitHub Gist: instantly share code, notes, and snippets. Attractive graphics combined with a powerful chess engine makes Mayura Chess Board one of the best programs for playing chess on Windows PCs. Just go play it!. Just to give you an example, a little but annoying thing: they don't record board flip information in PGNs. A GUI—Graphical User Interface—of an application built using Java is made up of layers of containers. Home >> Best Chess Interfaces and GUIs Chess engines are normally not standalone programs: they need an adequate interface in order to run them. This had two. Qualcomm products referenced on this page are products of Qualcomm Technologies, Inc. This app has a very simple user interface and the contents can be easily understood by the users. java, found in the Activity8 Starter Code directory. My homework assignment is to make a GUI number guessing game with the number of guesses shown. I can get a grid just fine, but when it comes to the event handler, I am having trouble. To fill rectangles, use the fillRect() method : Shape « 2D Graphics GUI « Java. With these kind words; Develop task 5 (Twenty-one card game) by creating a complete graphical user interface (Graphical User Interface, GUI). This definition explains what a user interface (UI) is, lists the various types of UI, provides examples of UI and briefly examines the relationship between user interface and user experience (UX) as well as the evolution of UI. It can do this since there are so few possibilities for moves in a game. I am quite used to scientific programming but not to OOP, and even less to building GUIs. GitHub Gist: instantly share code, notes, and snippets. Once you have a simple idea, expand on it. It's free, open-source, and works on Windows, Mac OS X, Linux, Android and iOS. Game description ». This is Java 2D games tutorial. User Interface Design patterns are recurring solutions that solve common design problems. Introduction During the first two decades of their existence, computer systems were highly centralized. How do I go about making a GUI for it? I have a bit of GUI experience, but only in Python. Then two players alternate turns by. The questions on this quiz might not appear in any quiz or test that does count toward your grade. If you do not know how to play GO, you might want to read The Way To GO (excellent introduction) or the GO FAQ (Frequently Asked Questions) first. Create 8 x 8 grid of 64 panels, and set it on the frame. Yixin-Board. In Figure 1 you see the start at a user interface-flow diagram, called a Navigation diagram in RUP, for the university system. Royalty free 2D game assets store. ut Shortest Job First with Preemption in C Dining Philosophers Problem. Below is the syntax highlighted version of Deck. I've put off including it on this page, because. I am quite used to scientific programming but not to OOP, and even less to building GUIs. Build a cloud-native microservices application in Java, step-by-step. Game allows only legal moves. Double-layer Board Game (JavaFX GUI) with AI hints Solver. First, add a new Empty GameObject (using the top menu), rename it to "GUI" and position it at (0, 0, 0). XAMPP is a free and open source cross-platform web server package, consisting mainly of the Apache HTTP Server, MySQL database, and interpreters for scripts written in the PHP and Perl programming languages. The game has simple 3 rows and 3 columns , so make it a 3x3 grid Rules of the Tic Tac Toe Game. The program can simulate your opponent. We have used procedure oriented method to design this game. You can show scores, lives and other info with this system. Before we go to the code, Let us see how are we going to solve this. MiniBoardGames is a GUI minigames plugin, with easy Java API for chance other developers make their games and share with the community, it's my 2th premium plugin and my 4th public spigot plugin, and i am very exited about this project i spend tons of time on it. 4) Advanced / Shane Grund (from psc cd) 19599 since 1/4/2015 12:08:00 AM: By 14 Users 2 Excellent Ratings : A basic version of the civilisation game. A better version with subtle scoring methods and riskier play will be uploaded in time. These notes are based on the excellent book, "Core Java, Vol 1" by Horstmann and Cornell, chapter 7, graphics programming. How can I add this score to my GUI. Game description ». Table of contents 1. Dear SpigotMC Community, It is my pleasure to announce that development builds for the Minecraft 1. Enables ragged arrays. Without threads, animation often takes up so much of the Java interpreter's time that the rest of a program's graphical user interface is sluggish to respond. Android Programming Basics Originals of Slides and Source Code for Examples: – Define strings used in GUI or that might change with I18N • Java code. I am not asking for help doing the logic code, I just need help setting up the GUI part. How do the Board instance variables get initialized with the ElevensBoard values? What is the exact mechanism? It uses inheritance to have the same format for all classes. Authorship. If you want more latest Java projects here. Images used in this tutorial can be downloaded here. Introduction In this document the Eclipse user interface guidelines are defined. You are given a list of food's positions in row-column order. Play a free game at Free Games Jungle, our free game collection contains over 500 free funny flash games up-to-date. Download popular programs from Board Games for PC. The game has simple 3 rows and 3 columns , so make it a 3x3 grid Rules of the Tic Tac Toe Game. 0 version of the SDK is a major rewrite of the 1. Eclipse is a universal tool platform - an open, extensible IDE for anything, but nothing in particular. Understand cloud-native concepts provided by Kubernetes and Istio, and learn how to write microservices with Java EE and Eclipse MicroProfile. Tutorial: Creating GUI Applications in Python with QT by Alex Fedosov. A new free programming tutorial book every day! Develop new tech skills and knowledge with Packt Publishing’s daily free learning giveaway. More about Yixin-Board: Yixin-Board on Github. Java 3D and the User Interface. Greek¶ Python Game Programming (Greek) - A free Pygame book for Greek audiences. Build something great with Bluetooth technology. I have to do a Java project for school and I decided to make a board game: Stratego. Trade lands, build houses, win auctions, roll wheel of fortune and Russian Roulette and most importantly - have fun. i need a window that has 2 grids, one on the right and one on the left. LinkedList; import java. Java is a fascinating island with great potential for development — especially the undeveloped area of central Java with its fertile soil and rich natural resources. You can browse the reconstructed source code with the JD-GUI for instant access to methods and fields. Create or Make Simple Tic tac toe Swing based Gui Java program Source code Tic Tac Toe is a fun game to play. Jump to navigation Jump to search Isolation is a two-player abstract strategy board game. Tic Tac Toe AI [ Minimax Algorithm ] with GUI using JavaFX [Tic Tac Toe][Artificial Intelligence][Minimax][Java][JavaFX]. Today The Khronos Group announces the ratification and public release of the OpenVX™ 1. Graphical user interface (GUI), a computer program that enables a person to communicate with a computer through the use of symbols, visual metaphors, and pointing devices.