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Java Forum / General / April 2007Child question + illegal start of expression error
I have a form with a question and child questions eg q1 program - Yes/no q2 web; desktop q3 java; .net; #C My form is: Q6a: Waterproblem (yes/NO) Q6b: Current - radiobutton (curent, 1-5 years) Q6c: Location Home (yes/No); Garden (Yes/No); common (yes/no) If user selects Q6a = Yes (1) .... Q6c Home (0/1); Garden (0/1); common (0/1) I want to check, if user selects Yes for Q6a, then they need select 1 from Q6c. If they don't select one choice, want to have a simple error warning. Yes = 1 No = 0 The code shows an illegal start of expression error???? if( page8.getWasteWaterProblem() == 1 ) || (getWasteWaterLocationProblemHome() == 0) || (getWasteWaterLocationProblemGarden() == 0) || (getWasteWaterLocationProblemCommonArea() ==0){ validationResultPage8.addWarning("WasteWaterProlemHome", "warning for WasteWaterProlemHome from type 6c"); } cliveswan@yahoo.co.uk wrote On 04/16/07 16:51,: > I have a form with a question and child questions > [quoted text clipped - 20 lines] > > if( page8.getWasteWaterProblem() == 1 ) || ^ The test portion of the `if' statement ends at this parenthesis. What follows should be an executable statement, but what actually follows is `||'. `||' is not valid as the start of an expression or statement. Possible cure: Delete that parenthesis. Alternative cure: Insert an opening parenthesis just before `page8'. Either way, you will also need to add another closing parenthesis just before the `}' below. Still another cure: Get rid of all the parentheses except the one right after `if', the one right before `}', and the pairs after each method call. > (getWasteWaterLocationProblemHome() == 0) || > (getWasteWaterLocationProblemGarden() == 0) || [quoted text clipped - 3 lines] > WasteWaterProlemHome from type 6c"); > } Note, too, that the logic is flawed: The test (after correction) will produce a validation warning if the first box is checked or if any of the others is unchecked. From your description, I doubt that's what you want.  SignatureEric.Sosman@sun.com >> I have a form with a question and child questions cliveswan@yahoo.co.uk wrote On 04/16/07 16:51,: > Note, too, that the logic is flawed: The test (after > correction) will produce a validation warning if the > first box is checked or if any of the others is unchecked. > From your description, I doubt that's what you want. Also note that multi-posting causes people to answer your questions without knowledge of each other's answers and is very rude, as it makes those of us who try to help feel that you have taken advantage of us and caused us to waste our time. Please do not multi-post. > Lew wrote: >> Clive wrote: [quoted text clipped - 4 lines] >> You're not allowed to put the OR operator (||) after the closing >> parenthesis of the condition. SignatureLew Hi, This is a different question from the previous. It is looking at validating a question & connected child question in a row!!! I tried to write a bit of code THAT does not work. Trying to understand why!! Clive >the same question taken advantage of us and caused us to > waste our time. > > Please do not multi-post. Hi eric & Lew, Am I still not getting the 'logic' Trying to say: if a = 1 and ( (b + c + d ) = 0 ){ Then throw a warning } if( page8.getWasteWaterProblem() == 1 ) && ( ( (page8.getWasteWaterLocationProblemHome() ) + (page8.getWasteWaterLocationProblemGarden() ) + (page8.getWasteWaterLocationProblemCommonArea()) == 0) ) { validationResultPage8.addWarning("WasteWaterProlemHome", "warning for Q6c"); } This still says "illegal start of expression"?????? I do not understand why. Cheers Clive > >> I have a form with a question and child questions > [quoted text clipped - 9 lines] > who try to help feel that you have taken advantage of us and caused us to > waste our time. I popsted it here by mistake. You are not able to delete a question, posted by mistake. Clive > Please do not multi-post. > [quoted text clipped - 9 lines] > -- > Lew > >> I have a form with a question and child questions > [quoted text clipped - 9 lines] > who try to help feel that you have taken advantage of us and caused us to > waste our time. It would be useful, if the list had an option to delte questions, sent to the wrong newsgroup!! This was meant for developers NOT database > Please do not multi-post. > [quoted text clipped - 9 lines] > -- > Lew > >> I have a form with a question and child questions > [quoted text clipped - 9 lines] > who try to help feel that you have taken advantage of us and caused us to > waste our time. I FINALLY saw each argument must be within ( ). That went over my head. This ran without any errors. BUT does it actually do what is says: ( (a=0 + b=0 + c=0) and (d = 1) ) then throw warning????? Cheers Clive if ( ( page8.getWasteWaterLocationProblemHome() == 0 && page8.getWasteWaterLocationProblemGarden() == 0 && page8.getWasteWaterLocationProblemCommonArea() == 0) && ( page8.getWasteWaterProblem() == 1) ) { validationResultPage8.addWarning("WasteWaterProlemHome", "warning for WasteWaterProlemHome from type 6c"); } > Please do not multi-post. > [quoted text clipped - 9 lines] > -- > Lew I FINALLY saw each argument must be within ( ( ) && ( ) ). That went over my head. This ran without any errors. BUT does it actually do what is says: ( (a=0 + b=0 + c=0) and (d = 1) ) then throw warning????? Cheers Clive if ( ( page8.getWasteWaterLocationProblemHome() == 0 && page8.getWasteWaterLocationProblemGarden() == 0 && page8.getWasteWaterLocationProblemCommonArea() == 0) && ( page8.getWasteWaterProblem() == 1) ) { validationResultPage8.addWarning("WasteWaterProlemHome", "warning for WasteWaterProlemHome from type 6c"); } > I FINALLY saw each argument must be within ( ( ) && ( ) ). That went > over my head. <http://java.sun.com/docs/books/tutorial/java/nutsandbolts/if.html> They aren't arguments, they're conditions. > This ran without any errors. > > BUT does it actually do what is says: ( (a=0 + b=0 + c=0) and (d = > 1) ) > then throw warning????? (You only need one question mark to signify a question.) I am confused. It ran without errors or it threw a warning? To answer your question, code always does what it says. It just might not do what you think. > if ( ( page8.getWasteWaterLocationProblemHome() == 0 && > page8.getWasteWaterLocationProblemGarden() == 0 && [quoted text clipped - 6 lines] > for WasteWaterProlemHome from type 6c"); > } If you have a question, please provide an SSCCE and copy-and-paste (do not describe) the error message, and ask the question. You should also follow standard indentation conventions; your code snippet is not formatted for readability. SignatureLew Free MagazinesGet these publications absolutely FREE for up to 12 months. 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