| H:\CSC120\Java\lec21\src\MUFrame.java |
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10 import java.awt.*;
11 import java.util.Random;
12 import javax.swing.*;
13
14 public class MUFrame extends javax.swing.JFrame {
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18
19 private Random generator;
20 private Integer year = 2021;
21 private Integer numHeads, numTails;
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28
29 public MUFrame() {
30 initComponents();
31
32 generator = new Random();
33 numHeads = 0;
34 numTails = 0;
35
36 }
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42
43
44 This method is called from within the constructor to
45 initialize the form.
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47
48
49 @SuppressWarnings("unchecked")
50 // <editor-fold defaultstate="collapsed" desc="Generated Code">
51 private void initComponents() {
52
53 drawingPanel = new javax.swing.JPanel();
54 jScrollPane1 = new javax.swing.JScrollPane();
55 outputArea = new javax.swing.JTextArea();
56 randIntButton = new javax.swing.JButton();
57 randPctButton = new javax.swing.JButton();
58 coinFlipButton = new javax.swing.JButton();
59 totalsLabel = new javax.swing.JLabel();
60
61 setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
62
63 outputArea.setColumns(20);
64 outputArea.setRows(5);
65 jScrollPane1.setViewportView(outputArea);
66
67 randIntButton.setText("Generate Random Integer");
68 randIntButton.addActionListener(new java.awt.event.ActionListener() {
69 public void actionPerformed(java.awt.event.ActionEvent evt) {
70 randIntButtonActionPerformed(evt);
71 }
72 });
73
74 randPctButton.setText("Generate Random Hurricane Pct");
75 randPctButton.addActionListener(new java.awt.event.ActionListener() {
76 public void actionPerformed(java.awt.event.ActionEvent evt) {
77 randPctButtonActionPerformed(evt);
78 }
79 });
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81 coinFlipButton.setText("Flip a Coin");
82 coinFlipButton.addActionListener(new java.awt.event.ActionListener() {
83 public void actionPerformed(java.awt.event.ActionEvent evt) {
84 coinFlipButtonActionPerformed(evt);
85 }
86 });
87
88 totalsLabel.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
89 totalsLabel.setForeground(new java.awt.Color(102, 0, 204));
90 totalsLabel.setText("No. of Heads = 0 and No. of Tails = 0");
91
92 javax.swing.GroupLayout drawingPanelLayout = new javax.swing.GroupLayout(drawingPanel);
93 drawingPanel.setLayout(drawingPanelLayout);
94 drawingPanelLayout.setHorizontalGroup(
95 drawingPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
96 .addGroup(drawingPanelLayout.createSequentialGroup()
97 .addGroup(drawingPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
98 .addGroup(drawingPanelLayout.createSequentialGroup()
99 .addContainerGap()
100 .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 608, javax.swing.GroupLayout.PREFERRED_SIZE))
101 .addGroup(drawingPanelLayout.createSequentialGroup()
102 .addGap(20, 20, 20)
103 .addComponent(randIntButton)
104 .addGap(55, 55, 55)
105 .addComponent(randPctButton)
106 .addGap(78, 78, 78)
107 .addComponent(coinFlipButton))
108 .addGroup(drawingPanelLayout.createSequentialGroup()
109 .addGap(151, 151, 151)
110 .addComponent(totalsLabel)))
111 .addContainerGap(101, Short.MAX_VALUE))
112 );
113 drawingPanelLayout.setVerticalGroup(
114 drawingPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
115 .addGroup(drawingPanelLayout.createSequentialGroup()
116 .addGap(49, 49, 49)
117 .addGroup(drawingPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
118 .addComponent(randIntButton)
119 .addComponent(randPctButton)
120 .addComponent(coinFlipButton))
121 .addGap(46, 46, 46)
122 .addComponent(totalsLabel)
123 .addGap(35, 35, 35)
124 .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 273, javax.swing.GroupLayout.PREFERRED_SIZE)
125 .addContainerGap(83, Short.MAX_VALUE))
126 );
127
128 javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
129 getContentPane().setLayout(layout);
130 layout.setHorizontalGroup(
131 layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
132 .addComponent(drawingPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
133 );
134 layout.setVerticalGroup(
135 layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
136 .addGroup(layout.createSequentialGroup()
137 .addContainerGap()
138 .addComponent(drawingPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
139 .addContainerGap(68, Short.MAX_VALUE))
140 );
141
142 pack();
143 }// </editor-fold>
144
145 private void randIntButtonActionPerformed(java.awt.event.ActionEvent evt) {
146 Integer n;
147
148 n = generator.nextInt(100);
149 outputArea.append("the next random integer is " + n + "\n");
150 }
151
152 private void randPctButtonActionPerformed(java.awt.event.ActionEvent evt) {
153 Double pct;
154
155 pct = generator.nextDouble();
156
157 if (pct <= 0.085) {
158 outputArea.append(" A CAT-2 Hurricane or worse will hit in " + year + "!!!!");
159 }
160 else {
161 outputArea.append(" no big hurricane will hit in " + year);
162 }
163 outputArea.append(" (pct = " + pct + ")\n");
164
165 year++;
166 }
167
168 private void coinFlipButtonActionPerformed(java.awt.event.ActionEvent evt) {
169 Boolean isHeads;
170
171 isHeads = generator.nextBoolean();
172
173 if (isHeads == true) {
174 outputArea.append("========> the coin was heads!\n");
175 numHeads++;
176 }
177 else {
178 outputArea.append("========> the coin was TAILS!\n");
179 numTails++;
180 }
181
182 totalsLabel.setText("No. of Heads = " + numHeads + " and No. of Tails = " + numTails);
183 }
184
185
186 @param args
187
188 public static void main(String args[]) {
189 java.awt.EventQueue.invokeLater(new Runnable() {
190
191 public void run() {
192 new MUFrame().setVisible(true);
193 }
194 });
195 }
196 // Variables declaration - do not modify
197 private javax.swing.JButton coinFlipButton;
198 private javax.swing.JPanel drawingPanel;
199 private javax.swing.JScrollPane jScrollPane1;
200 private javax.swing.JTextArea outputArea;
201 private javax.swing.JButton randIntButton;
202 private javax.swing.JButton randPctButton;
203 private javax.swing.JLabel totalsLabel;
204 // End of variables declaration
205 }
206