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AWT About the Tutorial JAVA provides a rich set of libraries to create Graphical User Interface (GUI) objects in an platform independent way. Abstract Window Toolkit (AWT) is a set of APIs used by Java programmers to create GUI objects. In this tutorial, we will learn how to use AWT to create GUI objects such as buttons, scroll bars, layout, menus, and more. Audience This tutorial is designed for all those software professionals who would like to learn JAVA GUI Programming in simple and easy steps. Prerequisites Before proceeding with this tutorial, you should have a basic understanding of Java programming language and how to use it in practice. Copyright & Disclaimer © Copyright 2015 by Tutorials Point (I) Pvt. Ltd. All the content and graphics published in this e-book are the property of Tutorials Point (I) Pvt. Ltd. The user of this e-book is prohibited to reuse, retain, copy, distribute or republish any contents or a part of the contents of this e-book in any manner without written consent of the publisher. We strive to update the contents of our website and tutorials as timely and as precisely as possible, however, the contents may contain inaccuracies or errors. Tutorials Point (I) Pvt. Ltd. provides no guarantee regarding the accuracy, timeliness, or completeness of our website or its contents including this tutorial. If you discover any errors on our website or in this tutorial, please notify us at contact@tutorialspoint.com i
AWT Table of Contents About the Tutorial .................................................................................................................................... i Audience .................................................................................................................................................. i Prerequisites ............................................................................................................................................ i Copyright & Disclaimer ............................................................................................................................. i Table of Contents .................................................................................................................................... ii 1. AWT – OVERVIEW ............................................................................................................... 1 Graphical User Interface .......................................................................................................................... 1 Basic Terminologies................................................................................................................................. 1 Examples of GUI Based Applications ....................................................................................................... 2 Advantages of GUI over CUI .................................................................................................................... 2 2. AWT – ENVIRONMENT SETUP ............................................................................................. 3 Setting up the Path for Windows 2000/XP .............................................................................................. 3 Setting up the Path for Windows 95/98/ME ........................................................................................... 3 Setting up the Path for Linux, UNIX, Solaris, FreeBSD .............................................................................. 3 Popular Java Editors ................................................................................................................................ 3 3. AWT – CONTROLS ................................................................................................................ 5 AWT Component Class ............................................................................................................................ 6 AWT UI Elements .................................................................................................................................. 19 AWT Label Class .................................................................................................................................... 20 AWT Button Class .................................................................................................................................. 24 AWT CheckBox Class ............................................................................................................................. 29 AWT CheckBoxGroup Class ................................................................................................................... 34 AWT List Class ....................................................................................................................................... 38 AWT TextField Class .............................................................................................................................. 45 ii
Page 4 and 5: AWT AWT TextArea Class ............
Page 6 and 7: AWT AWT MouseAdapter Class ........
Page 8 and 9: 1. AWT - OVERVIEW AWT Graphical Use
Page 10 and 11: 2. AWT - ENVIRONMENT SETUP AWT This
Page 12 and 13: 3. AWT - CONTROLS AWT Every user in
Page 14 and 15: AWT 1 protected Component() This cr
Page 16 and 17: AWT void enable(boolean b) 31 Depre
Page 18 and 19: AWT Returns an array of all the hie
Page 20 and 21: AWT Returns whether the background
Page 22 and 23: AWT Deprecated. As of JDK version 1
Page 24 and 25: AWT 177 178 179 180 181 182 183 184
Page 26 and 27: AWT 218 219 220 221 protected void
Page 28 and 29: AWT Class Constructors S.N. 1 2 3 C
Page 30 and 31: AWT controlPanel = new Panel(); con
Page 32 and 33: AWT Class Declaration Following is
Page 34 and 35: AWT private void prepareGUI(){ main
Page 36 and 37: AWT Output: AWT CheckBox Class Chec
Page 38 and 39: AWT Methods Inherited This class in
Page 40 and 41: AWT }); } statusLabel.setText("Appl
Page 42 and 43: AWT 4 5 Deprecated. As of JDK versi
Page 44 and 45: AWT Checkbox chkApple = new Checkbo
Page 46 and 47: AWT Class Constructors S.N. 1 2 3 C
Page 48 and 49: AWT 38 39 40 41 42 43 44 45 46 47 4
Page 50 and 51: AWT headerLabel.setAlignment(Label.
Page 52 and 53:
AWT Output AWT TextField Class The
Page 54 and 55:
AWT 21 22 23 24 void setColumns(int
Page 56 and 57:
AWT Label namelabel= new Label("Use
Page 58 and 59:
AWT static int SCROLLBARS_VERTICAL
Page 60 and 61:
AWT public class AwtControlDemo { p
Page 62 and 63:
AWT D:\AWT>javac com\tutorialspoint
Page 64 and 65:
AWT 22 23 Removes the specified ite
Page 66 and 67:
AWT fruitChoice.add("Apple"); fruit
Page 68 and 69:
AWT 2 3 4 5 6 7 void createBufferSt
Page 70 and 71:
AWT headerLabel.setText("Control in
Page 72 and 73:
AWT static int SCALE_SMOOTH -- Ch
Page 74 and 75:
AWT headerLabel.setAlignment(Label.
Page 76 and 77:
AWT AWT Scrollbar Class Scrollbar c
Page 78 and 79:
AWT 29 30 31 Sets the visible amoun
Page 80 and 81:
AWT final Scrollbar horizontalScrol
Page 82 and 83:
AWT extends Window Field Following
Page 84 and 85:
AWT If this Window is visible, send
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AWT }); } } controlPanel.add(showAb
Page 88 and 89:
AWT public class FileDialog extends
Page 90 and 91:
AWT public static void main(String[
Page 92 and 93:
AWT Output 85
Page 94 and 95:
AWT The benefit of this approach is
Page 96 and 97:
Page 98 and 99:
AWT Output 91
Page 100 and 101:
AWT Methods Inherited This class in
Page 102 and 103:
AWT static long INVOCAT
Page 104 and 105:
AWT Class Constructors S.N. 1 2 3 C
Page 106 and 107:
AWT Class Methods S.N. 1 2 3 4 5 6
Page 108 and 109:
AWT static int VK_2 static
Page 110 and 111:
AWT static int VK_DECIMAL s
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AWT static int VK_K
Page 114 and 115:
AWT static int VK_SLASH -- Constan
Page 116 and 117:
AWT Class Declaration Following is
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AWT java.util.EventObject java.la
Page 120 and 121:
AWT Class Constructors S.N. 1 2 3 4
Page 122 and 123:
AWT Methods Inherited This interfac
Page 124 and 125:
AWT S.N. 1 Constructor & Descriptio
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AWT Class Methods S.N. 1 2 3 Method
Page 128 and 129:
AWT 8 9 10 11 AdjustmentListener Th
Page 130 and 131:
Page 132 and 133:
AWT Interface Declaration Following
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AWT private void showComponentListe
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AWT Interface Declaration Following
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AWT Checkbox chkMango = new Checkbo
Page 140 and 141:
AWT KeyListener Example Create the
Page 142 and 143:
AWT } mainFrame.setVisible(true); c
Page 144 and 145:
AWT Methods Inherited This interfac
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AWT msglabel.addMouseListener(new C
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AWT java.awt.EventListener TextLis
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AWT } controlPanel.add(textField);
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AWT AwtListenerDemo.java package co
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AWT } public void windowClosing(Win
Page 156 and 157:
AWT AdjustmentListener Example Crea
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AWT class CustomAdjustmentListener
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AWT } AwtListenerDemo awtListenerDe
Page 162 and 163:
AWT Output AWT MouseMotionListener
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AWT public void windowClosing(Windo
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AWT Output AWT FocusListener Interf
Page 168 and 169:
AWT }); headerLabel = new Label();
Page 170 and 171:
7. AWT - EVENT ADAPTERS AWT Adapter
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AWT private void prepareGUI(){ main
Page 174 and 175:
AWT Output AWT KeyAdapter Class The
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AWT mainFrame = new Frame("Java AWT
Page 178 and 179:
AWT Output AWT MouseAdapter Class T
Page 180 and 181:
AWT public static void main(String[
Page 182 and 183:
AWT Output AWT MouseMotionAdapter C
Page 184 and 185:
AWT } AwtAdapterDemo awtAdapterDemo
Page 186 and 187:
AWT Output AWT WindowAdapter Class
Page 188 and 189:
AWT private Panel controlPanel; pub
Page 190 and 191:
AWT Output 183
Page 192 and 193:
AWT AWT Layout Manager Interface Th
Page 194 and 195:
AWT component in each region is ide
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AWT java.lang.Object BorderLayout
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AWT panel.add(new Button("Center"),
Page 200 and 201:
Page 202 and 203:
AWT mainFrame = new Frame("Java AWT
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AWT } } Compile the program using c
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AWT 8 9 10 11 12 Returns the prefer
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AWT private void showFlowLayoutDemo
Page 210 and 211:
Page 212 and 213:
Page 214 and 215:
AWT public class GridBagLayout exte
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AWT 17 18 19 20 21 22 23 24 25 26 T
Page 218 and 219:
AWT msglabel.setAlignment(Label.CEN
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AWT Output 213
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AWT 2 3 4 5 6 7 8 9 10 11 12 13 14
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AWT 41 42 43 44 45 46 47 48 49 50 5
Page 226 and 227:
AWT 3 Window A Window object is a t
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Page 230 and 231:
AWT Field Following are the fields
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AWT 14 15 16 17 18 19 20 21 22 23 2
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AWT msglabel = new Label(); msglabe
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AWT Class Declaration Following is
Page 238 and 239:
AWT 28 29 30 31 32 33 34 35 36 37 3
Page 240 and 241:
AWT 65 66 67 68 69 70 71 72 void se
Page 242 and 243:
AWT controlPanel.setLayout(new Flow
Page 244 and 245:
10. AWT - MENU CLASSES AWT As we kn
Page 246 and 247:
AWT 7 8 9 10 11 12 13 protected Str
Page 248 and 249:
AWT public class AWTMenuDemo { priv
Page 250 and 251:
AWT copyMenuItem.setActionCommand("
Page 252 and 253:
AWT Output AWT MenuItem Class The M
Page 254 and 255:
AWT 21 22 23 Sets the command name
Page 256 and 257:
AWT Menu editMenu = new Menu("Edit"
Page 258 and 259:
AWT } //add menubar to the frame ma
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AWT 10 11 12 13 14 15 16 17 void in
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AWT private void showMenuDemo(){ //
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AWT editMenu.add(pasteMenuItem); //
Page 266 and 267:
Page 268 and 269:
Page 270 and 271:
AWT }); //add menu items to menus f
Page 272 and 273:
AWT Class Constructors S.N. 1 2 Con
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AWT } mainFrame.setVisible(true); p
Page 276 and 277:
11. AWT - GRAPHICS CLASSES AWT Grap
Page 278 and 279:
Page 280 and 281:
AWT 32 33 34 35 36 37 38 39 40 41 4
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AWT } } @Override public void paint
Page 284 and 285:
AWT Renders the text of the specifi
Page 286 and 287:
AWT public class AWTGraphicsDemo ex
Page 288 and 289:
AWT static int CHORD -- The clos
Page 290 and 291:
AWT Methods Inherited This class in
Page 292 and 293:
AWT AWT CubicCurve2D Class The Cubi
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AWT 25 26 27 28 29 30 31 32 33 34 3
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AWT } }); } @Override public void p
Page 298 and 299:
AWT 4 5 6 PathIterator getPathItera
Page 300 and 301:
AWT Output AWT Rectangle2D Class Th
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AWT 15 16 17 18 19 20 21 22 boolean
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AWT } Compile the program using com
Page 306 and 307:
AWT specified by the control points
Page 308 and 309:
AWT public AWTGraphicsDemo(){ super
Page 310 and 311:
Page 312 and 313:
AWT Sets the location of the end po
Page 314 and 315:
AWT Output AWT Font Class The Font
Page 316 and 317:
AWT 3 Font(String name, int style,
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AWT 35 36 37 38 39 40 41 42 43 44 4
Page 320 and 321:
AWT } awtGraphicsDemo.setVisible(tr
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AWT static
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AWT 12 13 14 15 16 17 18 19 20 21 2
Page 326 and 327:
AWT } public void paint(Graphics g)
Page 328 and 329:
AWT 5 BasicStroke(float width, int
Page 330:
AWT shape1.setFrame(110, 160, 180,8
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