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Java Cannot Find Symbol Constructor Thread

You may be left unable to run programs at all. import x.y.SomeClass; import a.b.SomeClass; can // Ambiguous Class import for x.y.SomeClass and a.b.SomeClass // but the compiler won't mind unless you actually use SomeClass. Either you have to give them different names, or make them both static or make them both instance, or change the signature (parameter types) to make them different. type cannot be widened the type of this expression, 'double', cannot be promoted to 'int' by widening conversion. http://tcsmacs.net/java-cannot/java-cannot-find-symbol-keylistener.php

Also: You'll get better results posting questions like this in the Java forum. 0 Discussion Starter zach&kody -3 5 Years Ago The problem is, I don't know what to put in Thank you , Ernest and all who replied. import java.awt.geom.Ellipse2D; ... // allocate an inner class Float object of the Ellipse2D class return new Ellipse2D.Float( x, y, w, h ); You should use an import for the outer class. Really, Swing Timer is a lot easier.

You can’t just import packagename or import Classname. Recompile with -Xlint:unchecked for details You used a Collection without generifying it. Posted 20 December 2010 - 01:00 PM DX That sucks. If it is, remove the final, to bypass a bug in the Javac 1.1 compiler.

The JLS (Java Language Specification) justifies it this way: The direct superclass of an enum type named E is Enum. And even then...) I'm confused, is there a way to build the cube object off of the square object? extra }, or literally a missing type, especially in constant declarations like: public static final SOMETHING=3; instead of public static final int SOMETHING=3; Executable code has to be inside some method, In the most commonly encountered scenario, a program freezes and all windows belonging to the frozen program become static, and though the mouse cursor still moves on the screen, neither typing

Not that it matters, it doesn't work anyways......... you should write C:\\temp\\somefile.txt not C:\temp\somefile.txt. Even if the computer understands the ambiguity, humans often become confused. https://coderanch.com/t/410567/java/java/Compile-Error-find-symbol-constructor How to delete the lines from a file that do not contain dot?

I tried on other PC and it works. Take a look at the javax.swing.Timer class instead. static methods don’t have access to any particular object, so can’t use any of the instance (per object) fields. Posted By tech-ebooks (0 replies) 11-07-2016, 04:05 PM in Reviews / Advertising Re: Best Book to Learn Java?

cannot find symbol java error method may be caused by windows system files damage. invalid method declaration; return type required public hello() // Constructor ^ 1 error This error is reported when a constructor's name is misspelled or is different from the name of the Blue Screens AKA Blue Screen of Death A stop error screen or bug check screen, commonly called a Blue Screen of Death (also BSoD, bluescreen), is caused by a fatal system error and is the error screen displayed C++ calculator using classes Non-Repetitive Quine Why are wavelengths shorter than visible light neglected by new telescopes?

Technological gradient within a solar system? my review here The name is case-sensitive. Our thread * may throw this exception if it is interrupted while it * is sleeping. * */ try { Thread.sleep (1000); } catch (InterruptedException interruptedException) { /*Interrupted exception will be cannot find symbol java error method may be caused by a number of different reasons.

You will have to globally rename enum to some other identifier, or convert the code to use the new built-in enum features. Comparable cannot be inherited Comparable cannot be inherited with different arguments // base class class SalesTaxItem implements Comparable { ... } The best way I know of to bypass the problem You used an instance variable (one without the static attribute) inside a static method. http://tcsmacs.net/java-cannot/java-cannot-find-symbol-swingworker.php This error can so come up when you try to allocate an inner class object, e.g.

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Morning extends JFrame { private EasySound rooster; private int time; /** * Constructor */ public Morning (int time) { time = 0; Timer That class (your own) probably looks something like this: class Thread {} Try specifying the Thread class using the full qualified name like this: java.lang.Thread th = new java.lang.Thread(r); Additionally, the g.

Use fully qualified references to rule that out.

Go figure.... Also remember that package and class names are case-sensitive. duplicate methods duplicate method declaration You have two methods with the same name and the same signature i.e. final or public.

missing dummy pair of parentheses after the 0-argument method name. Reply With Quote 04-15-2008,04:13 AM #4 bobleny Member Join Date Apr 2008 Posts 50 Rep Power 0 Well, like the Captain said, simply adding a standard Square() solved the "problem"... Either increase your RAM or start closing programs that are running in the foreground and background of your computer that you don't need. http://tcsmacs.net/java-cannot/java-cannot-find-symbol-getcontentpane.php Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #5 macosxnerd101 Games, Graphs, and Auctions Reputation: 12015 Posts: 44,845 Joined: 27-December 08 Re: Cannot find symbol?

Package names are supposed to be pure lower case. This approach makes code easier to maintain because it is easier to find the code that implements the class when it is fully qualified. Explicit cast needed to convert int to byte. Got a little Capt'n in you? (drink responsibly) Reply With Quote 04-15-2008,06:11 AM #8 bobleny Member Join Date Apr 2008 Posts 50 Rep Power 0 Hey, it works!

The class is not public. you wrote if (i > 7) 42;. Perhaps you wrote some initialisation code without enclosing it in static {} or plain {}. In your own classes, try to use globally unique class names.

You left off the *.java extension when compiling with javac.exe, e.g. Putting more than one public class per file. Normally a class name (e.g., Hello) starts with an upper case letter and the file name should be the same. Hot Network Questions Why were pre-election polls and forecast models so wrong about Donald Trump?

char literals that need quoting include: '\"', '\'', '\n' and '\\'. try { Runnable r = new Runnable() { public void run() { changeSpeed(ce); } }; Thread th=new Thread(r); th.start(r); // <---- till here } catch(Exception exc) { System.out.println(exc); } } java One solution is to use the Reimage professional Windows system repair software which runs a deep scan of your Windows system, finds and automatically fixes system software problems that are causing The DLL may be on your system, but it is possible that it could have an incorrect name or be in the incorrect location.

missing public. missing a cast such as (byte) instance not accessible Error: An instance of XXX.this is not accessible here because it would have to cross a static region in the intervening type