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Thread: 3 script errors in my code

  1. #1
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    Default 3 script errors in my code

    Hello everyone,

    I need to write a simple program. After I input the cost of an entree, drink, and dessert, it should calculate the cost of a meal and its tax. However, when I compile my code, I get three errors. Can you tell me what's wrong and how I can fix it?

    Here are the errors I get:

    foodcalc.java:1: error: ';' expected
    import java.io.*
    ^
    foodcalc.java:2: error: ';' expected
    import java.util.Scanner
    ^
    foodcalc.java:13: error: ';' expected
    systemout.println ("Enter price of dessert")
    ^
    3 errors

    _______________________
    And here is my code:
    import java.io.*
    import java.util.Scanner
    public class foodcalc
     
    {
      public static void main (String [] args)
      {
      Scanner input = new Scanner (System.in);
      systemout.println ("Enter price of entree");
      double entreeCost = input.nextdouble ();
      systemout.println ("Enter price of drink");
      double drinkCost = input.nextdouble ();
      systemout.println ("Enter price of dessert")
      double dessertCost = input.nextdouble ();
     
      double foodCost = entreeCost + drinkCost + dessertCost;
      double taxAmt = foodCost * 0.10 ;
     
    System.out.println ("Total cost is $ " + (int)(mealCost * 100 /100.0));
     
      }
    }
    Last edited by aniperi; June 15th, 2014 at 05:31 PM. Reason: formatted


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: 3 script errors in my code

    error: ';' expected
    The compiler was expecting a ; before what it found. Make sure the previous statement has an ending ;

    Please edit your post and wrap your code with code tags:
    [code=java]
    YOUR CODE GOES HERE
    [/code]
    to get highlighting and preserve formatting.
    If you don't understand my answer, don't ignore it, ask a question.

  3. The Following User Says Thank You to Norm For This Useful Post:

    aniperi (June 15th, 2014)

  4. #3
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    Default Re: 3 script errors in my code

    Just read the error message:
    foodcalc.java:1: error: ';' expected
    It says quite clearly, that it expects a semicolon.

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    aniperi (June 15th, 2014)

  6. #4
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    Default Re: 3 script errors in my code

     
    import java.io.*;
    import java.util.Scanner;
    public class foodcalc
     
    {
      public static void main (String [] args)
      {
      Scanner input = new Scanner (System.in);
      systemout.println ("Enter price of entree");
      double entreeCost = input.nextdouble ();
      systemout.println ("Enter price of drink");
      double drinkCost = input.nextdouble ();
      systemout.println ("Enter price of dessert");
      double dessertCost = input.nextdouble ();
     
      double foodCost = entreeCost + drinkCost + dessertCost;
      double taxAmt = foodCost * 0.10 ;
     
    System.out.println ("Total cost is $ " + (int)(mealCost * 100 /100.0));
     
    }
    }

    _____________
    After editing my code, it looks like the above^^. However, now I get 7 new errors:

    foodcalc.java:9: error: cannot find symbol
    systemout.println ("Enter price of entree");
    ^
    symbol: variable systemout
    location: class foodcalc
    foodcalc.java:10: error: cannot find symbol
    double entreeCost = input.nextdouble ();
    ^
    symbol: method nextdouble()
    location: variable input of type Scanner
    foodcalc.java:11: error: cannot find symbol
    systemout.println ("Enter price of drink");
    ^
    symbol: variable systemout
    location: class foodcalc
    foodcalc.java:12: error: cannot find symbol
    double drinkCost = input.nextdouble ();
    ^
    symbol: method nextdouble()
    location: variable input of type Scanner
    foodcalc.java:13: error: cannot find symbol
    systemout.println ("Enter price of dessert");
    ^
    symbol: variable systemout
    location: class foodcalc
    foodcalc.java:14: error: cannot find symbol
    double dessertCost = input.nextdouble ();
    ^
    symbol: method nextdouble()
    location: variable input of type Scanner
    foodcalc.java:19: error: cannot find symbol
    System.out.println ("Total cost is $ " + (int)(mealCost * 100 /100.0));
    ^
    symbol: variable mealCost
    location: class foodcalc
    7 errors
    ____________________
    How do I declare the system.out variable? I thought system.out is part of a string, and not a variable to be declared.

  7. #5
    Super Moderator Norm's Avatar
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    Default Re: 3 script errors in my code

    How do I declare the system.out variable
    System.out is the syntax for referring to the static variable: out in the System class.

    Java is case sensitive. You need to check the spelling for any java classes or methods you use.

    See the API doc for correct spellings: http://docs.oracle.com/javase/7/docs/api/index.html
    If you don't understand my answer, don't ignore it, ask a question.

  8. The Following User Says Thank You to Norm For This Useful Post:

    aniperi (June 15th, 2014)

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