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  1. /*
  2. Chapter 8:      Midterms
  3. Programmer:		Ryan Barker
  4. Date:				3-12-2013
  5. Program name:	Midterm2.java
  6. */
  7.  
  8. import java.io.*;
  9. import java.awt.*;
  10. import java.awt.event.*;
  11. import javax.swing.*;
  12. import javax.swing.JTextField.*;
  13. import java.text.*;
  14. import java.util.*;
  15. import java.lang.Integer.*;
  16.  
  17. public class Midterm2 extends JFrame implements ActionListener
  18. {
  19. //Declare output stream
  20. DataOutputStream output;
  21.  
  22.         //Construct a panel for each row
  23.         JPanel firstRow = new JPanel();
  24.         JPanel secondRow = new JPanel();
  25.         JPanel thirdRow = new JPanel();
  26.         JPanel fourthRow = new JPanel();
  27.         JPanel fifthRow = new JPanel();
  28.         JPanel sixthRow = new JPanel();
  29.         JPanel seventhRow = new JPanel();
  30.         JPanel eighthRow = new JPanel();
  31.  
  32.         //Construct a panel for the fields and buttons
  33.         JPanel fieldPanel = new JPanel();
  34.         JPanel buttonPanel = new JPanel();
  35.  
  36.         //Variable declaration per wall
  37.         //int wall1Area = 81.6;
  38.         int widthWall2, heighthWall2, areaWall2;
  39.         int widthWall3, heighthWall3, areaWall3;
  40.         int widthWall4, heighthWall4, areaWall4;
  41.         int totalArea, totalRolls;
  42.  
  43.         //Construct labels and text boxes
  44.         JLabel totalRollsLabel = new JLabel("Total # of rolls needed: ");
  45.         JLabel areaLabel = new JLabel("Width x Heighth = Area");
  46.         JLabel wall1Label = new JLabel("Wall 1: 10.2              8                = 81.6 sqft");
  47.         JLabel wall2Label = new JLabel("Wall 2");
  48.             JTextField wall2Width = new JTextField(5);
  49.             JTextField wall2Heighth = new JTextField(5);
  50. 				JTextField wall2Area = new JTextField(5);
  51.         JLabel wall3Label = new JLabel("Wall 3");
  52.             JTextField wall3Width = new JTextField(5);
  53. 				JTextField wall3Heighth = new JTextField(5);
  54. 				JTextField wall3Area = new JTextField(5);
  55.         JLabel wall4Label = new JLabel("Wall 4");
  56.             JTextField wall4Width = new JTextField(5);
  57. 				JTextField wall4Heighth = new JTextField(5);
  58. 				JTextField wall4Area = new JTextField(5);
  59.         JLabel totalAreaLabel = new JLabel("Total Area + 10% = ");
  60.  
  61. 		//Construct button
  62. 		JButton submitButton = new JButton("Calculate");
  63.  
  64. 		public static void main(String[] args) //main method
  65. 		{
  66. 			//set the look and feel of the interface
  67. 			try
  68. 			{
  69. 				UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
  70. 			}
  71. 			catch(Exception e)
  72. 			{
  73. 			    JOptionPane.showMessageDialog(null, "The UIManager could not set the Look and Feel.","error",JOptionPane.INFORMATION_MESSAGE);
  74. 			}
  75.  
  76. 			//main method executes at run time
  77. 			Midterm2 f = new Midterm2();
  78. 			f.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
  79. 			f.setSize(450,300);
  80. 			f.setTitle("Crandall Power and Light Customer Payments");
  81. 			f.setResizable(false);
  82. 			f.setLocation(200,200);
  83. 			f.setVisible(true);
  84. 		}
  85.  
  86. 		public Midterm2()
  87. 		{
  88. 			Container c = getContentPane();//content pane assigned
  89. 				c.setLayout((new BorderLayout()));//layout methods
  90. 					fieldPanel.setLayout(new GridLayout(8,1));
  91. 					FlowLayout rowSetup = new FlowLayout(FlowLayout.LEFT,5,3);
  92. 						firstRow.setLayout(rowSetup);//layout methods
  93. 						secondRow.setLayout(rowSetup);
  94. 						thirdRow.setLayout(rowSetup);
  95. 						fourthRow.setLayout(rowSetup);
  96. 						fifthRow.setLayout(rowSetup);
  97. 						sixthRow.setLayout(rowSetup);
  98. 						seventhRow.setLayout(rowSetup);
  99. 						eighthRow.setLayout(rowSetup);
  100. 				buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));//layout methods
  101.  
  102.         //Add fields to rows         
  103.             firstRow.add(areaLabel);
  104.  
  105.             secondRow.add(wall1Label);         
  106.  
  107.             thirdRow.add(wall2Label);
  108.             thirdRow.add(wall2Width);
  109.             thirdRow.add(wall2Heighth);
  110. 				thirdRow.add(wall2Area);
  111.  
  112.             fourthRow.add(wall3Label);
  113. 				fourthRow.add(wall3Width);
  114. 				fourthRow.add(wall3Heighth);
  115. 				fourthRow.add(wall3Area);
  116.  
  117.             fifthRow.add(wall4Label);
  118. 				fifthRow.add(wall4Width);
  119. 				fifthRow.add(wall4Heighth);
  120. 				fifthRow.add(wall4Area);
  121.  
  122.             sixthRow.add(totalAreaLabel);
  123.             seventhRow.add(totalRollsLabel);
  124.  
  125.             eighthRow.add(submitButton);
  126.  
  127.             //Add rows to panel
  128.             fieldPanel.add(firstRow);
  129.             fieldPanel.add(secondRow);
  130.             fieldPanel.add(thirdRow);
  131.             fieldPanel.add(fourthRow);
  132.             fieldPanel.add(fifthRow);
  133.             fieldPanel.add(sixthRow);
  134.             fieldPanel.add(seventhRow);
  135.             fieldPanel.add(eighthRow);
  136.  
  137.  
  138.             //Add button to panel
  139.             buttonPanel.add(submitButton);
  140.  
  141.             //Add panels to frame
  142.             c.add(fieldPanel, BorderLayout.CENTER);
  143.             c.add(buttonPanel, BorderLayout.SOUTH);
  144.  
  145.             //Add functionality to buttons
  146.             submitButton.addActionListener(this);
  147.  
  148.             //get current date and open the file
  149.             Date today = new Date();
  150.             SimpleDateFormat myFormat = new SimpleDateFormat("MMddyy");
  151.             String filename = "rolls" + myFormat.format(today);
  152.  
  153.         try
  154.         {
  155.             output = new DataOutputStream(new FileOutputStream(filename));
  156.         }
  157.         catch(IOException io)
  158.         {
  159.             JOptionPane.showMessageDialog(null, "The program could not create a storage location.  Please check the disk drive and the run the program again.","Error",JOptionPane.INFORMATION_MESSAGE);
  160.  
  161.             System.exit(1);
  162.         }
  163.             addWindowListener(
  164.                 new WindowAdapter()
  165.                 {
  166.                     public void windowClosing(WindowEvent e)
  167.                     {
  168.                         int answer = JOptionPane.showConfirmDialog(null, "Are you sure you want to exit and submit the file?", "File Submission",JOptionPane.YES_NO_OPTION);
  169.                         if (answer == JOptionPane.YES_OPTION)
  170.                             System.exit(0);
  171.                         }
  172.                     }
  173.                     );
  174.  
  175.         }
  176.         public void actionPerformed(ActionEvent e)
  177.         {
  178.             String arg = e.getActionCommand();
  179.  
  180.             if (checkFields())
  181.             {
  182.                 try
  183.                 {
  184.                     output.writeUTF(wall2Width.getText());
  185.                     output.writeUTF(wall2Heighth.getText());
  186.                     output.writeUTF(wall3Width.getText());
  187.                     output.writeUTF(wall3Heighth.getText());
  188.                     output.writeUTF(wall4Width.getText());
  189.                     output.writeUTF(wall4Heighth.getText());     
  190.                     JOptionPane.showMessageDialog(null,"The wall dimensions have been saved.", "Submission Successful", JOptionPane.INFORMATION_MESSAGE);
  191.             }
  192.             catch(IOException c)
  193.             {
  194.                 System.exit(1);
  195.             }
  196.             clearFields();
  197.         }
  198.         }
  199.  
  200.         public boolean checkFields()
  201.         {
  202.             if ((wall2Width.getText().compareTo("")<1)      ||
  203.                 (wall2Heighth.getText().compareTo("")<1)    ||
  204.                 (wall3Width.getText().compareTo("")<1)      ||
  205.                 (wall3Heighth.getText().compareTo("")<1)    ||
  206.                 (wall4Width.getText().compareTo("")<1)      ||
  207.                 (wall4Heighth.getText().compareTo("")<1))
  208.                 {
  209.                     JOptionPane.showMessageDialog(null, "You must complete all fields", "Data Entry Error", JOptionPane.WARNING_MESSAGE);
  210.                     return false;
  211.                 }
  212.                 else
  213.                 {
  214. 		    widthWall2 = Integer.parseInteger(wall2Width.getText());
  215.                     heighthWall2 = Integer.parseInteger(wall2Heighth.getText());
  216.                     //wall2Area = widthWall2*heighthWall2;
  217. 		    wall2Area = Integer.valueOf(wall2Width.getText()) * Integer.valueOf(wall2Heighth.getText());
  218.                     /*
  219.                     widthWall3 = Integer.parseDouble(wall3Width.getText());
  220.                     heighthWall3 = Integer.parseDouble(wall3Heighth.getText());
  221. 		    wall3Area = widthWall3 * heighthWall3;
  222.                     
  223.                     widthWall4 = Integer.parseDouble(wall4Width.getText());
  224.                     heighthWall4 = IntegerDouble.parseDouble(wall4Heighth.getText());
  225.                     wall4Area = widthWall4 * heighthWall4;
  226.                     
  227.                     totalArea = wall1Area + wall2Area + wall3Area + wall4Area;
  228.                     totalArea = totalArea + (totalArea*.10);
  229.                     
  230.                     totalRolls = totalArea/35;*/
  231.                     //return true;
  232.                 }
  233.             }
  234.  
  235.             public void clearFields()
  236.             {
  237.                 //clear fields and reset the focus
  238.                 wall2Width.setText("");
  239.                 wall2Heighth.setText("");
  240.                 wall3Width.setText("");
  241.                 wall3Heighth.setText("");
  242.                 wall4Width.setText("");
  243.                 wall4Heighth.setText("");
  244. 		wall2Area.setText("");
  245. 		wall3Area.setText("");
  246. 		wall4Area.setText("");
  247.             }
  248.         }
  249.  
  250.  
Compilation error #stdin compilation error #stdout 0s 0KB
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compilation info 
Main.java:17: error: class Midterm2 is public, should be declared in a file named Midterm2.java
public class Midterm2 extends JFrame implements ActionListener
       ^
Main.java:214: error: cannot find symbol
		    widthWall2 = Integer.parseInteger(wall2Width.getText());
		                        ^
  symbol:   method parseInteger(String)
  location: class Integer
Main.java:215: error: cannot find symbol
                    heighthWall2 = Integer.parseInteger(wall2Heighth.getText());
                                          ^
  symbol:   method parseInteger(String)
  location: class Integer
Main.java:217: error: incompatible types
		    wall2Area = Integer.valueOf(wall2Width.getText()) * Integer.valueOf(wall2Heighth.getText());
		                                                      ^
  required: JTextField
  found:    int
4 errors
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Standard output is empty
https://ideone.com/7XHxSm
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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