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you2weak

Sat Apr 09, 2011 5:40 pm


dr java....might not have been initialized error What am i doing wrong?

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import java.util.Scanner;
  public class practice
  { //Declares the class
    
      public static void IntroInstructions ()       //method is defined
  {
    Scanner input = new Scanner (System.in);    //defines the Scanner (which was imported at the beginning of the program)
    
    String introContinue;      //declaration of the variable that stores the user's inputted value to continue to the next section of the program
    
    System.out.println ("Egg-cellent Choice Restaurant Welcome you :) Here you can find wonderful breakfast choices which will make your morning absolutely Egg-cellent!");  
    System.out.println ("So, go ahead and choose your meal by following the instructions!");   //general output
    System.out.println ("");
    System.out.println ("Press any key to continue.");
    introContinue = input.next();        //waits for user input to continue to the next section
    input.close();                       //closes the input stream used previously
   
  }
  public static void main (String[] args) { //Main method 
  int purchasePrice; //declares the integer
  
   
  
 Scanner input = new Scanner(System.in);    
 System.out.println("                                                      Menu");
 System.out.println("                                          1. Great Eggs-pectations");
 System.out.println("                                          2. Skillets and Scrambles");
 System.out.println("                                          3. Omelettes");
 System.out.println("                                          4. Eggs Ole");
 System.out.println("                                          5. Pancakes, Waffles & French Toast");
 
 
 
    
   System.out.println("Enter the dish you would like to choose:");//What should be inputted in the box
   purchasePrice = input.nextInt();
     input.close();
   input.close();
 
  
  }
     public static void gretEggspectations ()               //method is defined
  {
    Scanner input = new Scanner (System.in);  //defines the Scanner (which was imported at the beginning of the program)
    
  int greatEggspectations;
  int choicegroupOne;
  double greatEggspectationsSubtotal;
  double dishTotalgroupone = 0;
  
         
  
 System.out.println("                                           Great Eggs-pectations");
 System.out.println("                                1. Eggs Plus.........................$5.89");
 System.out.println("                                2. Turkey Sausage and Eggs...........$7.49");
 System.out.println("                                3. Eggs Petite.......................$4.89");
 System.out.println("                                4. Breakfast Croissant...............$7.99");
 System.out.println("                                5. Steak and Eggs....................$9.99");
 System.out.println("                                6. Corned Beef Hash..................$8.59");
 System.out.println("                                7. Biscuit & Gravy...................$6.67");
 System.out.println("                                8. Deluxe Breakfast Sandwich.........$8.59");
 choicegroupOne = input.nextInt();  
  
  if (choicegroupOne == 1.) {                                                         //if the inputted value for the variable is equal to 1 then...
          dishTotalgroupone = 5.89;                                                  //set value of individualCerealTotal variable to item's price, in this case 2.99
          System.out.println ("You selected Eggs Plus");                               //output the chosen selection of cereal
          System.out.println ("The price on this item is  $" + dishTotalgroupone);   //outputs the price of the individual item; pre set by user's input 
           input.close();
  }
  
  
   }//Closing bracket
}//Closing bracket


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Tony

Sat Apr 09, 2011 5:58 pm


RE:dr java....might not have been initialized error What am i doing wrong?

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The compiler doesn't know if that certain variable is always guaranteed to hold some value.


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you2weak

Sat Apr 09, 2011 6:06 pm


RE:dr java....might not have been initialized error What am i doing wrong?

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so how do i fix that?


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Tony

Sat Apr 09, 2011 6:25 pm


RE:dr java....might not have been initialized error What am i doing wrong?

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Initialize your variables before use.