Russ:
I love coding Java...I have taken two college level courses on it so far
- I'd be more than happy to help (I remember someone helping me when I
was in dire need (Levi, thanks buddy!). Just send me an e-mail with your
contact info and maybe we could meet up some time if you want.
-jtiner
>-----Original Message-----
>From: slug@nks.net [mailto:slug@nks.net] On Behalf Of Russ Wright
>Sent: Saturday, November 01, 2003 11:39 AM
>To: slug@nks.net
>Subject: [SLUG] Java question
>
>Hello Sluggers!
>
>I'm just learning Java and my classroom assignment is to create a
>simple math
>tutor that asks a multiplication question in the statusbar of an applet
>and
>allows the user to type in an aswer and see if their answer is correct.
>
>It all seems to work except the status bar is not displaying the
>question.
>See function generateQuestion. Any ideas?
>
>Regards
>Russ
>
>My Code:
>
>/*
> * MathTrainer.java
> *
> * Created on October 31, 2003, 6:56 PM
> */
>
>/**
> *
> * @author rwright
> */
>import java.awt.*;
>import java.awt.event.*;
>import javax.swing.*;
>import javax.swing.JOptionPane;
>
>
>public class MathTrainer extends JApplet implements ActionListener {
>
> //gui label for question
> JLabel questionLabel;
> JTextField answerField;
> JButton evaluateButton,startButton,stopButton;
>
> //my two mupltipliers
> int m_intValue1 = 0,m_intValue2 = 0;
>
> /** Initialization method that will be called after the applet is
>loaded
> * into the browser.
> */
>
> public void init()
> {
> Container cont = getContentPane();
> cont.setLayout(new FlowLayout());
>
> //set up the gui
> //label for input text
> questionLabel = new JLabel ( "Your Answer:" );
> //add the label
> cont.add(questionLabel);
>
> //textbox for input
> answerField = new JTextField(10);
> cont.add(answerField);
>
> //Evaluate button
> evaluateButton = new JButton( "Check Answer" );
> //add a listener
> evaluateButton.addActionListener(this);
> //add the button to the gui
> cont.add(evaluateButton);
>
> //ask the first question
> //generate a question and display it
> generateQuestion();
>
> } //init
>
>
> public void actionPerformed(ActionEvent e) {
>
> //call event to check the answer
> checkAnswer();
>
>
> }
>
> public void checkAnswer()
> {
> //evaluate the users response
> boolean isCorrect = evaluateAnswer();
>
>
> //if it is correct affirm user and display a new question
>
> if (isCorrect == true)
> {
> //tell the user they got it right
> JOptionPane.showMessageDialog(null,"Correct!");
>
> //ask a new question
> generateQuestion();
> }
> else
> {
> //if it is incorrect tell user and wait for new response
> //tell the user they got it wrong
> JOptionPane.showMessageDialog(null, "Wrong Answer Try
>Again!");
>
> }
>
> }//checkanswer
>
> //function to evaluate user answer
> public boolean evaluateAnswer()
> {
> //get users response
> long userAnswer = Long.parseLong(answerField.getText() );
>
> //compare user's response to answer
> if ((m_intValue1 * m_intValue2) == userAnswer)
> {
> //if the answer is correct return true
> return true;
>
> }
> else
> {
> //if the answer is incorrect return false
> return false;
> }
>
> }//evaluateAnswer
>
>
> public void generateQuestion()
> {
> //create the 2 random numbers
> //assign their values to the module level variables
> m_intValue1 = 1 + ( int) ( Math.random() * 9);
> m_intValue2 = 1 + ( int) ( Math.random() * 9);
>
> //assemble message
> String msg = "What is " + m_intValue1 + " times " + m_intValue2
>+ "?";
>
> //display message in statusbar
> showStatus( msg );
>
> }//generateQuestion
>
>}//mathTrainer
>
>
>-----------------------------------------------------------------------
>This list is provided as an unmoderated internet service by Networked
>Knowledge Systems (NKS). Views and opinions expressed in messages
>posted are those of the author and do not necessarily reflect the
>official policy or position of NKS or any of its employees.
-----------------------------------------------------------------------
This list is provided as an unmoderated internet service by Networked
Knowledge Systems (NKS). Views and opinions expressed in messages
posted are those of the author and do not necessarily reflect the
official policy or position of NKS or any of its employees.
This archive was generated by hypermail 2.1.3 : Fri Aug 01 2014 - 20:36:10 EDT