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Java Double Cannot Dereferenced Error


Not the answer you're looking for? 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. How to call "intellectual" jobs? Browse other questions tagged java netbeans return double tostring or ask your own question. click site

Was This Post Helpful? 1 Back to top MultiQuote Quote + Reply #6 BlackFiredDragon New D.I.C Head Reputation: 0 Posts: 32 Joined: 19-July 12 Re: double cannot be dereferenced Posted 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. 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 How can I fix this problem?

Double Cannot Be Dereferenced Compareto

And why? You cannot invoke methods on primitives. 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

More questions Problem with java code? 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 equals All times are in JavaRanch time: GMT-6 in summer, GMT-7 in winter Contact Us | advertise | mobile view | Powered by JForum | Copyright © 1998-2016 Paul Wheaton Search: Compareto Double Java Now off to the traffic light program You need to divide all your problems into small pieces.

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. Double Cannot Be Dereferenced Intvalue MathProblemJavaClass.java:69: double cannot be dereferenced double guessTF=Double.parseDouble(guessTF.getText()); ^ MathProblemJavaClass.java:73: double cannot be dereferenced while... Unfortunately your solution isn't completely accurate. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

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 Double Class Java Second, I don't understand when those if statements will ever execute because you have a return statement above that will always execute share Share on Twitter Share on Facebook Email It doesn't have a setText method because it doesn't have any text... –Mark Reed Apr 23 '12 at 2:12 ahh ok i get ya, can you suggest what i Also you said: "The non-commented out variables are int and work" Actually, it will not work if its int for the same reason.

Double Cannot Be Dereferenced Intvalue

Are non-english speakers better protected from (international) Phishing? up vote 0 down vote favorite In the following snippet of code the int returns properly, but when I try doing the same thing with a double NetBeans 8.0.2 complains that Double Cannot Be Dereferenced Compareto Now I get these errors: program-3.java:12: error: double cannot be dereferenced if (a[mid].compareTo (x)<0) ^ program-3.java:14: error: double cannot be dereferenced else if (a[mid].compareTo (x) > 0) ^ 2 errors This Long Cannot Be Dereferenced Error Java Why is your return statement before the end of your method?

Secondly your method returns a double yet you are trying to return a string in your if.. get redirected here Why was the identity of the Half-Blood Prince important to the story? anyObject.toString() ... If you keep going and start digging in to writing code you may want to come back and re-visit what these guys are saying, but seriously, for now, don't worry about Java Long Cannot Be Dereferenced Tostring

UPDATE: From the answers I received, it looks like second approach I used works, but the following works just as well: @Override public String toString() { return "[" + getAccountNumber() + frame.setSize(200,100); frame.setVisible(true); //Add action listener button.addActionListener(this); } public void actionPerformed(ActionEvent event) { double guessTF=Double.parseDouble(guessTF.getTe... THANK YOU!!! navigate to this website 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

if(event.getSource()==button) while (!guessTF.equals(answer)) { JOptionPane.showMessageDialog(frame,... Double To Int Java What is the 'dot space filename' command doing in bash? It makes sense, can you recommend anything..?

The original line: valueField.setText(randomNumber[Integer.parseInt(inputString)].toString()); might be reworked as:int inputValue = Integer.parseInt(inputString); // convert input string to an int int mappedValue = randomNumber[inputValue]; // get mapped value from array String mappedText =

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What is swapfile and swapspace? The commented out variables are double and do not work. @Override public String toString() { return "[" + getAccountNumber() + "], " + super.toString() + ", " + owner.toString() // Error: asked 1 year ago viewed 1768 times active 1 year ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? Double To Integer 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.

if statement - short circuit evaluation vs readability How to unlink (remove) the special hardlink "." created for a folder? Useful Searches Recent Posts Options Please select a forum to jump to News and Article Discussion MacRumors.com News Discussion Mac Blog Discussion 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 http://shpsoftware.com/cannot-be/java-error-int-cannot-be-dereferenced.php Related 618What is the Java equivalent for LINQ?1Double cannot be dereferenced…?-1I keep getting “double cannot be dereferenced” in Java0error: int cannot be dereferenced in java0Java Error: int cannot be dereferenced-2Java error:

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 I am very new to Java, this is my first and last programming class. Try Double.toString(price). expected" on super, but this slight modification combined with your approach works perfectly.

Public huts to stay overnight around UK more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Even though I was using an int in those classes, it looks like I was using Customer type as well. Whether you can pass a double is a different matter which may need to be examined. You can run this and get a String back.

John Smith Ranch Hand Posts: 2937 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 You do not need to explicitly call toString() on variables when you do string concatenation. My guess is that you're mixing up the text field, the text in that field, and the double value of that text. Success!

truncating division), then the integer result is converted to double. Can someone please tell me what it is suppose to look like. Video should be smaller than 600mb/5 minutes Photo should be smaller than 5mb Video should be smaller than 600mb/5 minutesPhoto should be smaller than 5mb Related Questions Java writing to a How to find positive things in a code review?

Browse other questions tagged java or ask your own question. Try this instead: @Override public String toString() { return "[" + getAccountNumber() + "], " + super.toString() + ", " + owner + ", " + currentBalance + ", " +

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