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Java Double Cannot Be Dereferenced Tostring


Java does not allow method calls (such as "equals", "hashCode", and "compareTo") on primitives. I understand that an object can only be compare to another object. Let us know a. That would explain the error you got, since double cannot be dereferenced (i.e. http://tcsmacs.net/cannot-be/java-int-cannot-be-dereferenced-tostring.php

Free Trial Sign In Techdegree Tracks Library Community Support View Challenge Android Build an Interactive Story App Finishing the User Interface Using a Model in the Controller MUZ140721 Bothwell Nhidza 4,286 Our Company About Us Contact Us Community Treehouse Stories Student Perks Treehouse Blog Affiliate Program Careers Topics HTML CSS Design JavaScript Ruby PHP WordPress iOS Android Development Tools Business Tracks Web If height can only take on integer meters (1, 2, 3), you have a serious precision problem. else statements. http://stackoverflow.com/questions/10273949/double-cannot-be-dereferenced

Double Cannot Be Dereferenced Compareto

Washington DC odd tour request issue Formula 1 rebus more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact 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 Post Reply Bookmark Topic Watch Topic New Topic programming forums Java Java JSRs Mobile Certification Databases Caching Books Engineering Languages Frameworks Products This Site Careers Other all forums Forum: Beginning Java 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..

On which point(s) in a jet engine does the reaction force act? Please include your IP address in your email. Code: public String calcBMI(int height, int weight) { double BMI; BMI = (weight / (height * height)); String str = “”; if (BMI >=30) { str = (Double.toString(BMI) + “Obese”); return Compareto Double Java Java Error Double Cannot Be Dereferenced Double Cannot Be Dereferenced Error: Double Cannot Be Dereferenced Int Cannot Be Dereferenced Inventory Program Getting Error : Int Cannot Be Dereferenced - Java Issues

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 THANK YOU!!! The former one is a primitive type that has no methods, and the latter is a wrapper class that extends Number and Object, and subsequently has the corresponding methods. That means it will be truncated.

It's pretty odd for an addDebt method to return a bank, too...) –Jon Skeet Feb 18 '15 at 13:21 | show 2 more comments 1 Answer 1 active oldest votes up Double To Int Java You'd have similar problems in C, which has similar rules for integer and double arithmetic. US Election results 2016: What went wrong with prediction models? If you want to invoke the toString method on an object, you have to write it as a method invocation: Code: ...

Double Cannot Be Dereferenced Intvalue

Try this instead: @Override public String toString() { return "[" + getAccountNumber() + "], " + super.toString() + ", " + owner + ", " + currentBalance + ", " + https://coderanch.com/t/519820/java/Java-Double-dereferenced In Revelation 19:16, of which kings is Jesus king? Double Cannot Be Dereferenced Compareto you can't call setText on a Double because a Double is just a number. Long Cannot Be Dereferenced Java So you should declare BMI as a Double (java.lang.Double) rather than double.

Fixed in my answer above. –Jesper Sep 23 '15 at 14:40 add a comment| up vote 1 down vote Primitive types do not have methods, they are not objects. my review here share Share on Twitter Share on Facebook Email Link Like + Quote Reply Cromulent, Jan 25, 2010 Cromulent macrumors 603 Joined: Oct 2, 2006 Location: The Land of Hope and Glory The question is, why is it not working? asked 1 year ago viewed 168 times active 1 year ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 3681Is Java “pass-by-reference” or “pass-by-value”?1908Creating a memory leak with Java5Double Long Cannot Be Dereferenced Tostring

I will be sure to use code tags next time around! asked 4 years ago viewed 34175 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 0 In Java, what is meant by this “double cannot It was supposed to use the binary search method in order to find the number 45.3 in this array: [-3, 10, 5, 24, 45.3, 10.5}. click site Was This Post Helpful? 1 Back to top MultiQuote Quote + Reply #6 BlackFiredDragon New D.I.C Head Reputation: 0 Posts: 33 Joined: 19-July 12 Re: double cannot be dereferenced Posted

Please google your error before just throwing your code in a forum post. Double To Integer java share|improve this question edited Feb 18 '15 at 13:24 asked Feb 18 '15 at 13:16 Vivian Maya 298311 1 On which line do you get this error? –Eran Feb double a = 0; double b = 1; if(a > B)/>{ System.out.println("a > b"); } else if(a == B)/>{ System.out.println("a == b"); } Was This Post Helpful? 0 Back to top

The error comes from this line of code: sideCValue.setText(Double.toString(sideCValue)); Could someone please help me to know how to fix this?

Is This A Good Question/Topic? 0 Back to top MultiQuote Quote + Reply Replies To: double cannot be dereferenced #2 macosxnerd101 Games, Graphs, and Auctions Reputation: 12015 Posts: 44,845 Joined: Also you said: "The non-commented out variables are int and work" Actually, it will not work if its int for the same reason. super.toString() –Elliander Sep 23 '15 at 14:38 @Elliander Yes, sorry, that was a small mistake, you indeed have to use super.toString() instead of just super. Java Convert Double To String True!

Yes, my password is: Forgot your password? Stay logged in Please select a forum to jump to News and Article Discussion MacRumors.com News Discussion Mac Blog Discussion You didn't show what currentBalance is, but it is probably a variable of the primitive type double. http://tcsmacs.net/cannot-be/java-tostring-int-cannot-be-dereferenced.php Was This Post Helpful? 1 Back to top MultiQuote Quote + Reply #4 BlackFiredDragon New D.I.C Head Reputation: 0 Posts: 33 Joined: 19-July 12 Re: double cannot be dereferenced Posted

Unfortunately your solution isn't completely accurate. If you want to ensure you keep precision following the division, you can use something like: double hours = (double) Mins / 60.0; (though it may work with only one of At least you get to know the general system of comparing objects (or be it primitives in this case) along with the set of results that you can expect. please?

Newer Than: Search this thread only Search this forum only Display results as threads More... Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #11 macosxnerd101 Games, Graphs, and Auctions Reputation: 12015 Posts: 44,845 Joined: 27-December 08 Re: double cannot be dereferenced lol –Daniel Donaldson Apr 23 '12 at 2:04 2 Uhm, they did. lol share Share on Twitter Share on Facebook Email Link Like + Quote Reply iShater, Jan 25, 2010 iShater macrumors 604 Joined: Aug 13, 2002 Location: Chicagoland #2 Can you

Here is a simple example: Code: public class Main { public static void main(String[] args) { Double test; test = 0.843; String test_string = test.toString(); System.out.println(test_string); System.out.println(test); } } share assigning it to double hours makes // hours a double equal to zero. In your latest post, acc is a long. share|improve this answer edited Apr 23 '12 at 14:34 answered Apr 23 '12 at 2:25 mwengler 1,991724 Thanks heaps bro, works awesome :D <3 –Daniel Donaldson Apr 23 '12

As I said before in this case, with primitives, the relational operators are a neater solution. Thanks Faq Reply With Quote October 25th, 2008,12:14 AM #3 No Profile Picture chetahXX View Profile View Forum Posts  Contributing User Devshed Newbie (0 - 499 posts)   However there is no harm in looking at the comparable system for the future, as it is often a very useful feature. Join them; it only takes a minute: Sign up java - double cannot be dereferenced up vote 0 down vote favorite I have searched about this error but those didn't solve