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Java Cannot Be Applied To Error

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I guess I'm not sure what the difference is otherwise. (Not wanting to hijack this thread). sorry about that i forgot to put it into code mode. Still trying everything but nothing, do i need to put something after the method call in the ()? public void run() { String s = ""; // s declared as String Object o = s; // o declared as Object // works because a String is also an Object http://rsmasters.net/cannot-be/java-error-operator-cannot-be-applied-to-int-int.html

Instead, use add(keyboard) and repeat the same for substraction, multiplication, division and modulus methods. In GasTank it askes for two doubles, but when you call it in the Car class you aren't sending anything to it. Basically, null pointer exceptions are caused when you try to use something that doesn't exist. You can call toString() on its result to return the string representation of your object.

Java Lang String Cannot Be Applied To Java Lang String

The time now is 05:13 AM. This code sample reproduces exactly your compilation error: class StringAndObject { public void workWithString( String s ) {} // We just care about public void workWithObject( Object o ) {} // Hot Network Questions How do spaceship-mounted railguns not destroy the ships firing them?

Why isn't this piece of code creating the array? : Maybe you can start with the Sun tutorial on arrays... how would i get it there... Working without compensation, what to do? Cannot Be Applied To Java.lang.string Int posted 3 years ago I might also add that you are probably doing this all wrong.

do that etc....so far i have this: public void menu(){ System.out.println("Please enter one of the following numbers"); System.out.println("1. Object In Object Cannot Be Applied string.find versus this function Is a connected set union limit point a connected set? public static void add(Scanner keyboard) you have an argument, so you must include an argument when calling this method so you must call the method like this. posted 7 years ago I looked online and this exception was caused with an illegal use of null.

Make Deposite"); System.out.println("3. Java Cannot Be Applied To Int Maligning the compiler like that, Fred! Sci-Fi movie, about binary code, aliens, and headaches Are most Earth polar satellites launched to the South or to the North? at Library.addBook(Library.java:10) ; at Library.main(Library.java:60).

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  2. Posted By armai (1 replies) 10-17-2016, 07:16 PM in Threads and Synchronization Take snapshots in netbeans every...
  3. We are to go in and modify/add, etc.
  4. So we could do something like: GoKart blueKart = new GoKart("blue"); Since you left out a color parameter in your item creation, it will give the above error.
  5. How can I fix these errors?
  6. Only a compiler can force you to include the empty constructor not Java itself.
  7. Here is my code so far: public class Library { Book[] books; int numBooks; String address; void addBook(Book b) { //Adds books to the array of this library books[numBooks] = b;
  8. I think our instructor did.
  9. i put it in right but its saying it cant be applied to string which i dont know why.

Object In Object Cannot Be Applied

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When this type of error occurs it typically means that the compiler believes that you are assigning the wrong type to a variable. weblink It would find a compiler error, just one, and throw an error message. so far i have this, but its not working: System.out.println(brandonBank.menu()); Your method menu() does the println so you do not have to println it brandonBank.menu(); will do the println unless you What is the probability that they were born on different days? Operator Cannot Be Applied To Java.lang.object Int

I looked online and this exception was caused with an illegal use of null. Henry Wong author Marshal Posts: 21671 85 I like... LinkBack LinkBack URL About LinkBacks Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Search Thread Advanced Search Display Linear Mode Switch to Hybrid Mode Switch to navigate here Then I needed to write code to check to see if the gas tank is empty.

and it's so confusing! Operator Cannot Be Applied Java posted 3 years ago 1 Alex Petsche wrote:Just a thought, but if I'm right could it be that it's not running correctly because there isn't a "main" method? Compiling the code with Oracle's JDK javac compiler produces the following error: WildcardErrorBad.java:7: error: method set in interface List cannot be applied to given types; l1.set(0, l2.get(0)); // expected a CAP#1

This will solve one of your issues and the others are similar mistakes, take a shot at fixing them yourself and post back if you have trouble.

fixed. –dseibert Mar 24 '11 at 3:11 | show 1 more comment Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Reply With Quote 09-23-2011,12:56 PM #10 iceyferrara Member Join Date Sep 2011 Posts 10 Rep Power 0 Re: Java Error cannot be applied to (java.lang.String), phone book entry program. do this 2. Reply With Quote 09-23-2011,11:58 AM #8 iceyferrara Member Join Date Sep 2011 Posts 10 Rep Power 0 Re: Java Error cannot be applied to (java.lang.String), phone book entry program.

Translation of "the article says" Can a GM prohibit players from using external reference materials (like PHB) during play? Just to make sure I've got it straight a compile error is when the code logic doesn't follow through and a run error means that the code logic is correct, but http://java.sun.com/docs/books/tutorial/java/nutsandbolts/arrays.html Henry Books: Java Threads, 3rd Edition, Jini in a Nutshell, and Java Gems (contributor) Paul Yule Ranch Hand Posts: 230 posted 7 years ago Brian Wimpsett wrote:hmm... his comment is here But I just thought I would point out one thing: /* * print information about the car (make, model, mpg) * show the current number of miles driven * Note if

What are the legal consequences for a tourist who runs out of gas on the Autobahn? It should take no parameters and just return the customer's name Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #3 William_Wilson lost in compilation Reputation: 207 How do I change my constructor or variable so that it builds an array? NullPointerException) or showing an error message (e.g.

Today's Topics Dream.In.Code > Programming Help > Java Error: cannot be applied to () (2 Pages) 1 2 → New Topic/Question Reply 15 Replies - 12001 Views - Last Post: 16 ok nvm i got it to work thanks a lot...i will be back if i have anymore questions. I though this was the proper return type? Campbell Ritchie Sheriff Posts: 50561 82 posted 3 years ago Welcome to the Ranch Nobody noticed that you told us one serious problem:- Michelle Purdy wrote:We use BlueJ . . .

Copy your entire text into (2) .java files with a decent text editor (ie not MS NotePad), and compile it from the command line with javac Car.java GasTank.java …and get a extends Number>, it is clearly incorrect to take an item from a list of Integer values and attempt to place it into a list of Double values. Search: Advanced Forum Search Forums Programming Web Development Computers Tutorials Snippets Dev Blogs Jobs Lounge Login Join! do this 2.

Generics were added to the Java language for this reason — to enforce type safety at compile time. If you can sort out the error there and then, all well and good, because sometimes one error causes multiple error messages. For example, a list may be defined as List but, when evaluating an expression, the compiler infers a particular type from the code. That is unfair.

At least those of us who have suffered from BlueJ ourselves.