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Java Compiler Error Double Cannot Be Dereferenced

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When is it okay to exceed the absolute maximum rating on a part? Add in an else statement and make the if block do nothing(so negative numbers arent added to the list) and make the else block add the numbers to the list (this You cannot call methods on double but you can on Double. They scare me often enough, so the beginners must be terrified of them. this contact form

The error comes from this line of code: sideCValue.setText(Double.toString(sideCValue)); Could someone please help me to know how to fix this? string.find versus this function Could winds of up to 150 km/h impact the structural loads on a Boeing 777? Why do central European nations use the color black as their national colors? I am confused all together how it works.

Double Cannot Be Dereferenced Compareto

points to) the list, but is not the list itself. Try this instead: @Override public String toString() { return "[" + getAccountNumber() + "], " + super.toString() + ", " + owner + ", " + currentBalance + ", " + Thirdly when calling the toString() method you need to use the object Double rather than the primitive type.

  • Working without compensation, what to do?
  • This will be make it easier to read. [My Blog] All roads lead to JavaRanch Megan Hart Greenhorn Posts: 6 posted 5 years ago Yes it should be!
  • Could winds of up to 150 km/h impact the structural loads on a Boeing 777?
  • you can't call setText on a Double because a Double is just a number.
  • 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
  • Try this instead: @Override public String toString() { return "[" + getAccountNumber() + "], " + super.toString() + ", " + owner + ", " + currentBalance + ", " +
  • And why?
  • Code is suppose to accept an integer from user, go thru the array and find the element of that array and display in a textfield.
  • more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed
  • Another thing: double hours = Mins / 60; will, if Mins is an integer`, give you an integer value which you then put into a double.

How do you grow in a skill when you're the company lead in that area? Why don't those messages convey anything?Where can I find a java program without error for implementing k-means algorithm?What does the error message "Exception: java.util.ConcurrentModificationException" mean in RapidMiner?How do I solve my Ofcourse the values should be convertible. –We are Borg Sep 23 '15 at 14:11 add a comment| 2 Answers 2 active oldest votes up vote 2 down vote accepted I bet Compareto Double Java Primitive types such as double are not references so you can’t dereference them.41 Views · View UpvotesView More AnswersRelated QuestionsWhat are common reasons for the Java "cannot find symbol" error?What does

Sorry guys!!! Double Cannot Be Dereferenced Intvalue share|improve this answer answered Feb 13 at 7:37 Ravi Ranjan 523318 add a comment| up vote 1 down vote Do something like this: public class temperature{ public double T; //in C Related 0How do I overcome “double cannot be dereferenced”?2Problems with double & Java.lang.String -Text Fields5Double cannot be dereferenced?1cannot invoke toString() on the primitive double1return double value of string passed0compareTo Method with Also, you never have to write extends Object in your class name.

float cannot be dereferenced constructors with arguments calling constructors with arguments All times are in JavaRanch time: GMT-6 in summer, GMT-7 in winter Contact Us | advertise | mobile view | Double Class Java We also boast an active community focused on purchasing decisions and technical aspects of the iPhone, iPod, iPad, and Mac platforms. Thanks for alerting me to that error. Anonymous form close (x) Front Page Mac Blog iOS Blog Roundups AirPort Apple Car Apple Deals Apple Pay Apple Stores Apple TV Apple VR Project

Double Cannot Be Dereferenced Intvalue

Word for destroying someone's heart physically Plausibility of the Japanese Nekomimi Can an umlaut be written as line (when writing by hand)? Related 1380Difference between decimal, float and double in .NET?0How do I overcome “double cannot be dereferenced”?-2Double cannot be dereferenced1Cannot invoke set Double(Double) on the primitive type double0compareTo Method with Doubles[Double Cannot Double Cannot Be Dereferenced Compareto The second problem (if I have this right) is that numbers don't begin with +. Long Cannot Be Dereferenced Java Campbell Ritchie Sheriff Posts: 50561 82 posted 5 years ago 1 int i = 123; System.out.println("" + i); System.out.println(Integer.toString(i));I would prefer the toString version, but opinions vary.

The commented out variables are double and do not work. @Override public String toString() { return "[" + getAccountNumber() + "], " + super.toString() + ", " + owner.toString() // Error: weblink Thanks for the welcome! The dereference error does not exist any more as Integer is not a primitive type but a first class object, that inherits all the methods from Object, being a subclass of I'll edit the question accordingly. –Elliander Sep 23 '15 at 14:45 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Java Long Cannot Be Dereferenced Tostring

In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms Will they need replacement? 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. navigate here Not the answer you're looking for?

many thanks everyone Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #12 SayMoi D.I.C Head Reputation: 7 Posts: 135 Joined: 08-April 09 Re: double cannot be Double To Int Java What is the purpose of keepalive.aspx? Now off to the traffic light program You need to divide all your problems into small pieces.

You didn't show what currentBalance is, but it is probably a variable of the primitive type double.

In car driving, why does wheel slipping cause loss of control? Ofcourse the values should be convertible. –We are Borg Sep 23 '15 at 14:11 add a comment| 2 Answers 2 active oldest votes up vote 2 down vote accepted I bet objects) are always references. Double To Integer I wasn't aware of calling a method that way (new to Java). –Lauren Stephen Feb 13 at 23:05 add a comment| up vote 0 down vote For your code to work,

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed lol –Daniel Donaldson Apr 23 '12 at 2:04 2 Uhm, they did. Sci-Fi movie, about binary code, aliens, and headaches Why does Mal change his mind? his comment is here You didn't show what currentBalance is, but it is probably a variable of the primitive type double.

Not being able to compile All times are in JavaRanch time: GMT-6 in summer, GMT-7 in winter Contact Us | advertise | mobile view | Powered by JForum | Copyright © Unfortunately your solution isn't completely accurate. Reference Sheets Code Snippets C Snippets C++ Snippets Java Snippets Visual Basic Snippets C# Snippets VB.NET Snippets ASP.NET Snippets PHP Snippets Python Snippets Ruby Snippets ColdFusion Snippets SQL Snippets Assembly Snippets You do not need to explicitly call toString() on variables when you do string concatenation.

Helpful. Double compiler error - Help! share Share on Twitter Share on Facebook Email Link Like + Quote Reply (You must log in or sign up to post here.) Show Ignored Content Share This Page Log in posted 5 years ago And welcome to the ranch Next time you want to post some code, don't forget to UseCodeTags.

I've fixed it, thanks a million! What you need to do is: double hours = Mins / ((double) 60); or something like that, you need to cast some part of your division to a double in order else statements meaning they will never get called. Reputation: 550 Posts: 5,624 Joined: 20-March 08 Re: double cannot be dereferenced Posted 27 April 2009 - 12:15 PM You cannot call a method on a primitive data type variable.

I am very new to Java, this is my first and last programming class. You should have asked another question when you fixed the original problem. –paxdiablo Apr 23 '12 at 2:34 If you want to use hours as double, you have to 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 Why don't we have helicopter airlines?

If you have a different problem, ask a different question. –paxdiablo Apr 23 '12 at 2:35 | show 3 more comments up vote 0 down vote How about this way double asked 1 year ago viewed 1768 times active 1 year ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver?