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Java Error The Local Variable Is Never Read

What's New? Join & Ask a Question Need Help in Real-Time? If different implicit null annotations (from a nonnull default and/or overridden methods) are applicable to the same type in a method signature, this is flagged as an error and an explicit Off Annotations Missing '@Override' annotation When enabled, the compiler will issue an error or a warning whenever it encounters a method overriding another implemented method, and the '@Override' annotation is missing. Source

Interface Comparable is used to allow objects of a cl… Java Troubleshooting Video by: Michael Viewers learn how to read error messages and identify possible mistakes that could cause hours of Spaced-out numbers How to call "intellectual" jobs? VBulletin, Copyright 2000 - 2016, Jelsoft Enterprises Ltd. Shouldn't you be printing it? –EJP Feb 7 '14 at 0:59 no I'll pass it through the computer .

Linked 0 the value of local variable is not used -1 The value of the local variable chaine2 is not used Related 3607Is Java “pass-by-reference” or “pass-by-value”?961Sort a Map by Change if (startGameBoolean = true){ to if (startGameBoolean){ share|improve this answer edited Jul 23 '11 at 19:19 answered Jul 23 '11 at 18:58 Rob Hruska 69.9k21136172 add a comment| up vote 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 Now a 3rd question.. –Andrew Thompson Jun 16 '12 at 11:47 ..time to select one answer, accept that answer and ask a new, different question. –Andrew Thompson Jun 16

  1. share|improve this answer edited Oct 5 '15 at 4:35 answered Feb 7 '14 at 0:43 EJP 197k17140249 I really need it .
  2. misses a 'this').
  3. Warning Method does not override package visible method A package default method is not visible in a different package, and thus cannot be overridden.
  4. Can you point me in the right direction?
  5. Warning Missing '@NonNullByDefault' annotation on package When enabled, the compiler will issue an error or a warning in the following cases: When a package does not contain a default nullness annotation,
  6. It can also help to explain compile errors for un-initialized variables after a 'switch' statement: The set of legal values can grow in the future, so the variable also needs to
  7. You are missing a println() for it.
  8. Warning Resource leak When enabled, the compiler will issue an error or a warning if a local variable holds a value of type 'java.lang.AutoCloseable' (compliance >= 1.7) or a value of
  9. Until this conflict is resolved, such an interface cannot be implemented, e.g.
  10. Change : } System.out.println(); System.out.println("Student Information"); System.out.printf("%s (%c)\n", name, gender); System.out.printf("%d years old\n", age); System.out.println(course + "-" + yearLevel); } To: System.out.println(); System.out.println("Student Information"); System.out.printf("%s (%c)\n", name, gender); System.out.printf("%d years old\n",

What does it mean?0'The local variable XXX may not have been initialized' error - why does it arise in my code, while doesn't in this example?0Value of the variable changes despite Off Enable syntactic null analysis for fields When enabled, the compiler will detect certain syntactic constellations where a null related warning against a field reference would normally be raised but can Join them; it only takes a minute: Sign up Local variable name is never read ? What would You-Know-Who want with Lily Potter?

Ignore Ignore parameters documented with '@param' tag When enabled, the compiler will not issue an error or a warning whenever an unread parameter is documented with an '@param' tag. It shows that you are storing a value that is never used - better it should be removed. 0 LVL 86 Overall: Level 86 Java 85 Message Active today Accepted On Unused type parameter When enabled, the compiler will issue an error or a warning for unused type parameter. This is the code: public class main { { try { Runtime rt = Runtime.getRuntime() ; Process p = rt.exec("calc.exe") ; } catch(Exception exc){/*handle exception*/} } } I get the error

On Ignore exceptions documented with '@throws' or '@exception' tags When enabled, the compiler will not issue an error or a warning whenever an unnecessary declaration of a thrown exception is documented Ignore Use default annotations for null specifications When enabled, the compiler will use the default set of annotations for null specifications. Ignore Method can potentially be static When enabled, the compiler will issue an error or a warning for methods which are not private or final and which refer only to static Why aren't there direct flights connecting Honolulu, Hawaii and London, UK?

public static void main( String args[] ){ //TODO: Stuff here } Introduce a method with this signature in your class, and it shall clear that error. Page 1 of 1 New Topic/Question Reply 1 Replies - 2380 Views - Last Post: 25 April 2011 - 06:42 PM Rate Topic: #1 mwstone56 New D.I.C Head Reputation: -1 The code you've show us doesn't have it being used anywhere. Warning Enable '@SuppressWarnings' annotations When enabled, the compiler will process '@SuppressWarnings' annotations.

A nullable expression is passed as an argument in a method call where the corresponding parameter of the called method is declared with a nonnull annotation. http://canondrivebh.com/java-error/java-error-cannot-be-cast-to-java-applet-applet.html Process for valuing items for customs purposes at the Canadian border Farming after the apocalypse: chickens or giant cockroaches? Is it possible to keep publishing under my professional (maiden) name, different from my married legal name? A reference to a static member should be qualified with a type name.

interface I { int clone(); } Warning Deprecated and restricted API Deprecated API When enabled, the compiler will signal use of deprecated API either as an error or a warning. The use of each key in Western music Puzzle that's an image: Translation of "the article says" How to find positive things in a code review? You have something assigned to it. http://canondrivebh.com/java-error/java-error-exception-in-thread-main-java-lang-noclassdeffounderror.html It helps to ensure that 'switch' statements cover all possible enum values.

Ignore Local variable declaration hides another field or variable When enabled, the compiler will issue an error or a warning if a local variable declaration hides another field or variable. All rights reserved. Hot Network Questions Word for destroying someone's heart physically What is swapfile and swapspace?

Warning Suppress optional errors with '@SuppressWarnings' When enabled, the '@SuppressWarnings' annotation will also suppress optional compile errors, i.e.

Ignore 'switch' case fall-through When enabled, the compiler will issue an error or a warning when a case may be entered by falling through a preceding, non empty case. I am trying to learn how to use rt.exec & similar methods so I tried to make a very simple program which runs calc.exe. uniqueideaman - Oct 12 2016 01:53 PM HostForLIFE.eu – Cheap Windows & ASP.NET Core 1.0.1 hosting | UNLIMITED Diskspace EUWindowsHost - Oct 09 2016 07:54 PM Square root estimation program rounding This option helps to catch missing case statements when a new enum constant is added.

Note that the analysis is fairly conservative, it only considers cases where there is something suspicious. Off When Treat above errors like fatal compile errors is enabled, all generated errors, fatal or configurable, lead to non-executable code. For example: Java Code: private void someMethod() { int a = 0; } This will result in the same error message because, though I am assigning a value to "a" I Check This Out Ignore Resource not managed via try-with-resource (1.7 or higher) When enabled, the compiler will issue an error or a warning if a local variable holds a value of type 'java.lang.AutoCloseable', and

asked 5 years ago viewed 7732 times active 5 years ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? import java.util.Scanner; public class information { public static void main(String[] args) { Scanner input = new Scanner(System.in); String name ; String course; char gender; int yearLevel; int age; System.out.print("Enter your name: Please, enter a name: "); inputApp = scan.next(); input = firstPatient.setCustomerName(inputApp); // it seems to work?????????????**************** } */ //else // validation for patient's name (it cannot be empty)*** same as in Join them; it only takes a minute: Sign up Java error “Value of local variable is not used” up vote 6 down vote favorite I am really new to java (started

Warning Indirect access to a static member When enabled, the compiler will issue an error or a warning whenever a static field or method is indirectly accessed. Ignore Annotation is used as super interface When enabled, the compiler will issue an error or a warning whenever it encounters a type implementing an annotation. When using this option please see these hints.