/**
* @(#)formulagame.java
*
* formulagame application
*
* @author
* @version 1.00 2008/9/5
*/

import javax.swing.JOptionPane;
import java.text.DecimalFormat;

public class formulagame {
    
    public static void main(String[] args) {
        
    // Declared Strings
    String input, calc;
    // Declared integers
    int again, begin, num, instruct;
    
        // Asks the user if they would like to play the game
    
    begin = JOptionPane.showConfirmDialog (null, "Would you like to play the formula game? ©");
  
   if (begin == JOptionPane.NO_OPTION || begin == JOptionPane.CANCEL_OPTION )
      JOptionPane.showMessageDialog (null, "Thank you have a nice day!!");
  
   if (begin == JOptionPane.YES_OPTION)
   {
  
    do
    {
    
    instruct = JOptionPane.showConfirmDialog (null, "Would you like to see the instructions?");
    
    
    // Tells the user the instructions and shows an example
    
    
                       if (instruct == JOptionPane.YES_OPTION)
                                 JOptionPane.showMessageDialog (null, "This program tells you what number you have inserted,\nthen calculates the square of the number inserted,\n"
                                            + "then the square root,\n then if it is even or odd\nand last if it"
                                            + " is a vowel or composite."
                                            +"EXAMPLE:\n"
                                            +"¯¯¯¯¯¯¯¯\n"
                                            +"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"  
                                            + "You chose the number \"number inserted\"\n"
                                            + "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
                                            +  "The square of \"number inserted\" is:  \"square of number\"\n"
                                            + "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
                                            + "\nThe square root of \"number inserted\" is: \"Square root of the number\"\n"
                                            + "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
                                            + "\nThe number \"number inserted\" is \"even\" or \"odd\"\n"
                                            + "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
                                            + "\nThe number \"number inserted\" is a \"vowel\" or \"composite\" \n");
                                            
    
    
     // Tells the user to enter a number between 1 and 100
    input = JOptionPane.showInputDialog ("Enter a number between 1 and 100: ");
    
// Declares the num as int
num = Integer.parseInt(input);

while (num>100 || num<1)
  {
  
      JOptionPane.showMessageDialog (null, "Follow Directions!!");
      input = JOptionPane.showInputDialog ("Please try again: ");
      num = Integer.parseInt(input);
  }
        
        DecimalFormat fmt = new DecimalFormat ("0.###");
        
        
        // Does the calculations
   calc = ("Here is your results:\n"
           +"¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯\n"
           +"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
           +"You chose the number " + num + "\n"
           +"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
           +"The square of " + num + " is:  " + (int)Math.pow(num,2) + "\n"
           +"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"  
           + "The square root of " + num + " is:  " + Math.sqrt(num) + "\n"
           +"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
           + "The number " + num + " is" + ((num%2 == 0) ? " even" : " odd") + "\n"
           +"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n");
          
    // Prints out the results
    JOptionPane.showMessageDialog (null, calc);
    
    // Asks the user if they would like to do another
    again = JOptionPane.showConfirmDialog (null, "Do Another?");
    
    }
    // Repeats the program as long as yes is clicked
    while (again == JOptionPane.YES_OPTION);
    
    // Thanks the user for playing
    JOptionPane.showMessageDialog (null, "Thank you have a nice day!!");
   }
  
  
  }
}

//    Declares the num as int
    num = Integer.parseInt(input);

try {
    num = Integer.parseInt(input);
}
catch(NumberFormatException e) {
   ... the number entered is not an int (double or String)
}