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Java Long Cannot Be Dereferenced


Accela Moon Greenhorn Posts: 20 posted 12 years ago I can use such a method, its listed in the double class in java specs from java webbie, I've imported java.lang.Double.. The question is, why is it not working? Fat chance! How do I deal with my current employer not respecting my decision to leave? More about the author

If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Join them; it only takes a minute: Sign up Double cannot be dereferenced up vote -2 down vote favorite Question What might be the cause of my problem and how do It is not a wrapper Object like Double, so the dot operator cannot be used. SCJP 1.4 - SCJP 6 - SCWCD 5 - OCEEJBD 6 - OCEJPAD 6 How To Ask Questions How To Answer Questions fred rosenberger lowercase baba Bartender Posts: 12240 36 this contact form

Double Cannot Be Dereferenced Java

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You have also declared the variable accoutNumber as a long (a 64-bit primitive integral value). Why were pre-election polls and forecast models so wrong about Donald Trump? Campbell Ritchie Sheriff Posts: 51027 84 posted 5 years ago fred rosenberger wrote: . . . Long Cannot Be Dereferenced Tostring Save your draft before refreshing this page.Submit any pending changes before refreshing this page.

Use Java Code: String.valueOf(barCode).length() Same for qty. ~Matt I die a little on the inside... Double Cannot Be Dereferenced Compareto Articles Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts Blogs Advanced Search Forum Java Programming New To Java Help!! BMI.toString ... over here If BMI were declared as Double, the wrapper class for the primitive type, then it might work...

Java does not perform autoboxing in this situation, as I recall. Long Cannot Be Dereferenced Compareto else statements. because Java does not automatically add ()'s for you. The question was about what was causing the error Double cannot be dereferenced.

Double Cannot Be Dereferenced Compareto

Washington DC odd tour request issue Is there a word for being sad about knowing that the things that make you happy will eventually go away How to delete the lines Read More Here They scare me often enough, so the beginners must be terrified of them. Double Cannot Be Dereferenced Java You should either be catching the possible exception (and skip trying to test whether it's a number) or you should be reading the next token as a String instead of an Double Cannot Be Dereferenced Tostring Thus, you can't say price.toString().

By sk8rsam77 in forum New To Java Replies: 11 Last Post: 02-26-2010, 04:03 AM Error Message:org.xml.sax.SAXParseException: Value "bottom" is not one of the enumera By Deepa in forum New To Java my review here Luck, CJSL Chris S. Double compiler error - Help! Let us know a. Double Cannot Be Dereferenced Intvalue

From your code, it seems you think you can copy a text representation of hours into hoursminfield by doing hours.setText(hoursminfield); This has a few errors: 1) hours is a double which How can I fix this problem? java share|improve this question edited May 27 '14 at 8:36 Wolfpack'08 1,54562749 asked Nov 18 '12 at 3:58 Zachariah Lloyd 913 The nextInt() function of Scanner will throw an http://tcsmacs.net/cannot-be/long-cannot-dereferenced-java.php Please get into the habit of using Double.valueOf(…) as this will allow Java to reuse existing objects.

Join them; it only takes a minute: Sign up Double cannot be dereferenced…? Compareto Double Java In your latest post, acc is a long. Been trying for 2 weeks to get this working and I am burned out majorly and have gone brain dead.

So you should declare BMI as a Double (java.lang.Double) rather than double.

Difficult? In your code, you can use either one, -- but understand the difference. For those interested, String.valueOf(i) would just call Integer.toString(i, 10) which would call Integer.toString(i), so that's more or less the same. Double To Int Java The fact that your answer was accepted is inconsequential (and actually just draws more attention to the fact that it is incorrect). –Chris Cain Apr 23 '12 at 5:20

up vote 5 down vote favorite 2 String mins = minsField.getText(); int Mins; try { Mins = Integer.parseInt(mins); } catch (NumberFormatException e) { Mins = 0; } double hours = Mins posted 5 years ago Rob Spoor wrote:I hate the "" + i solution. I'll know to edit the question next time before answering what the questioner really meant. –mwengler Apr 23 '12 at 14:04 add a comment| up vote 1 down vote You haven't navigate to this website The setText method would belong to the data field, not the data you're trying to put in there: hoursminsfield.setText (hours); In other words, you want to set the text of the

On 1941 Dec 7, could Japan have destroyed the Panama Canal instead of Pearl Harbor in a surprise attack? Is there a word for being sad about knowing that the things that make you happy will eventually go away Why is (a % 256) different than (a & 0xFF)? http://en.wikipedia.org/wiki/Body_mass_index Also, these types are never going to produce any fractional value in the result, because the calculation is carried out entirely in integer arithmetic (i.e. There's no way caching is implemented at their current state. –Thihara Sep 9 '13 at 8:57 add a comment| up vote 5 down vote To compare two double primitives: Java old

C++ calculator using classes Show that the square matrix A is invertible Is there still a way to prevent Trump from becoming president? Line 3 in the new code is the step of the process that was generating the error in your original line. Maybe one of you power users downvoting could tell me why. –mwengler Apr 23 '12 at 3:37 2 @mwengler It actually doesn't answer the question. If you want a double calculation with the possibility of a fractional part, at least one operand must be of type double.

CloudFlare Ray ID: 2ff61fb4762753a2 • Your IP: • Performance & security by CloudFlare Dev Shed Forums Navigation Forums Tools Newsletter Signup Articles Help Devshed Network Developer Shed ASP Free Dev Why is your return statement before the end of your method?Click to expand... cause im pretty new at this and have nearly no idea what to do –Daniel Donaldson Apr 23 '12 at 2:15 @Daniel, examine my code snippet very carefully. You'd have similar problems in C, which has similar rules for integer and double arithmetic.

I don't think this problem is unique to Java. Integer.toString creates a new char[] of exactly the right size, then calls Integer.getChars. There are several ways you could convert the int to a String: for example, you could concat it with an empty string to have it implicitly converted, or you could use Javascript? –Mark Reed Apr 23 '12 at 2:04 Yeh man its java –Daniel Donaldson Apr 23 '12 at 2:06 12 java != javascript –David Gelhar Apr 23 '12

an... error message "long cannot be dereferenced" I keep getting an error message stating "long can not be dereferenced", I need the barcode all numbers to complete my assignment, any advise Code: public String calcBMI(int height, int weight) { double BMI; BMI = (weight / (height * height)); Click to expand...