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Java Cannot Reference A Field Before It Is Defined

In your (failing) example, the "simple name" case is the condition not met. That does not mean they would have no value otherwise (if it were not final), it just means that the compiler protects you against not assigning it explicitly, if it cannot This gives the answer for the question, so in both the cases static int j=j+1; int i = i+1;The compiler tries to evaluate the RHS of the '=' where it need US Election results 2016: What went wrong with prediction models? More about the author

Find the Emirps! I was just saying in another comment, do you know why this works? Not the answer you're looking for? what point are you trying to make? –Vogel612 Jun 20 '15 at 22:34 3 You can also change the Runnable lambda to a String field: private final String test2 = http://stackoverflow.com/questions/22198527/cannot-reference-a-field-before-it-is-defined-error

What value would it access? –Christopher Oezbek Jun 20 '15 at 22:41 @ChristopherOezbek java is not an interpreted language.. posted 5 years ago Java operators Read the above article and pay particular attention to the right to left evaluation. share|improve this answer answered Jun 20 '15 at 22:32 Christopher Oezbek 4,8941841 The lambdas seem unrelated to this. 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

Then, BAR {...} is being created, the rest of your program continues, etc., and return BAR; (or return FOO;) is only evaluated when you make a method call to getOther(), which I am seen in darkness and in light, What am I? Formula 1 rebus Will boring a cylinder affect its longevity thereafter? more hot questions lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Other

I was looking for this reference, by that time I got down votes. –Nambari Jan 29 '13 at 16:54 @Andremoniy I was writing that. –assylias Jan 29 '13 at Can you send me some screenshots pointing out the issue that you reported or give me some more details on how to reproduce it. Lab colleague uses cracked software. http://stackoverflow.com/questions/12592286/java-enum-cannot-reference-a-field-before-it-is-defined A normal constructor however will not have this issue.

java static-initialization static-initializer share|improve this question edited Nov 6 '14 at 17:04 asked Nov 6 '14 at 16:50 Andy 3031313 2 Looking at your variable names, I'm reminded of public Regarding final: it's really a modifier used for the benefit of the developer(s). That means that in your code, you first set a to 20 and then initialize it to getA() - which is just as illegal as if you would have done it June 22, 2009 at 6:13 pm #299739 Reply przemelekMember Base on answer which I got on Twitter, it isn't problem caused by MyEclipse, but by Eclipse 3.4.2 https://bugs.eclipse.org/bugs/show_bug.cgi?id=269388 And in "bundled"

What does a -4 above the stave mean? What is a Rotary Club Word™? Where to take phone interview while at work How much time would it take for a planet scale Miller-Urey experiment to generate intelligent life Why is looping over find's output bad I guess I was confused with how C++ does it which gives you control on whether this or test would be captured (by value, etc.). –Christopher Oezbek Jun 20 '15 at

Bug266500 - "Cannot Reference a field before it is defined" failure in enum type Summary: "Cannot Reference a field before it is defined" failure in enum type Status: VERIFIED DUPLICATE of http://tcsmacs.net/java-cannot/java-cannot-create-java-virtual-machine-1.php At what stage a variable gets defined ? Why dont we get the same error for local variables. This is not a loophole, but rather it is not accessing test during initialization at all. –Christopher Oezbek Jun 20 '15 at 22:40 @ChristopherOezbek the qualified reference works specifically

Updated now with a working version. –Pool May 7 '15 at 21:19 ... Hate the switch idea. –OldCurmudgeon Sep 26 '12 at 0:01 add a comment| up vote 1 down vote How about an EnumMap? variable 'j' should be initialized automatically as it is a static one, then why we get this error. http://tcsmacs.net/java-cannot/java-cannot-reference-before-supertype.php asked 1 year ago viewed 91 times active 1 year ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Visit Chat Linked 5 Illegal forward Reference java issue 34 Recursive

It's quite verbose, but this way you can define each pair only once, the other direction is inferred. I don't think you can get it to work with the recursive reference to Baz. share|improve this answer answered Sep 11 '13 at 11:09 Jayamohan 8,12111633 Try to elaborate more. –Narendra Pathai Sep 11 '13 at 11:11 add a comment| up vote 0 down

I'd fare to say that is is accessed during initialization, since this is a little special, transforming "simple names" to "qualified names" and accordingly not falling under the accessing rule you

Maybe a compile-time constant, maybe a final (static?) variable pointing to an immutable object? –maaartinus May 21 '14 at 22:28 add a comment| up vote 1 down vote You can also I'm really not at all surprised that the the "declare before referencing" analysis is limited in scope to direct access of static variables in other static declarations. Search or use up and down arrow keys to select an item. Should I allow my child to make an alternate meal if they do not like anything served at mealtime?

On 1941 Dec 7, could Japan have destroyed the Panama Canal instead of Pearl Harbor in a surprise attack? I thought the init order was methods, fields, then initializers, so surely it shouldn't matter that the fields are declared physically further down the file? –Andy Nov 6 '14 at 17:07 June 22, 2009 at 6:24 pm #299741 Reply Scott AndersonParticipant Very interesting… reading the bug report at Eclipse it seems like this error reporting is actually correct, as per the JLS. navigate to this website How to decline a postdoc interview if there is some possible future collaboration?

Join them; it only takes a minute: Sign up Cannot reference a field before it is defined, but only if you don't qualify it [duplicate] up vote 4 down vote favorite share|improve this answer answered Jan 29 '13 at 16:55 GaborSch 9,03231735 add a comment| up vote 1 down vote This is the generic steps by which class loading happens. What is this line of counties voting for the Democratic party in the 2016 elections? share|improve this answer answered Jan 29 '13 at 16:54 assylias 178k26340491 +1.

Should I allow my child to make an alternate meal if they do not like anything served at mealtime? Maybe an empty placeholder for yang and bad before yin and good are defined in this example? With cheat() you're actually reading an uninitialized value. Description Kay Huber 2009-02-27 10:42:51 EST After updating my eclipse this morning to 3.4.2 Build M20090211-1700 I suddenly had an eclipse compiler error on an enum type in our projects which

java static initialization inner-classes share|improve this question edited Aug 24 at 10:48 Mario Cervera 6291416 asked Sep 11 '13 at 10:48 user2622016 2,3231636 add a comment| 6 Answers 6 active oldest Please click the link in the confirmation email to activate your subscription. Is there a word for being sad about knowing that the things that make you happy will eventually go away Why is the 'You talking to me' speech from the movie Hot Network Questions Would we find alien music meaningful?

When BAR is eventually reference either when you call Foo.getOther() or some other piece of code does MyEnum2.Bar, the type will be initialized. What is this line of counties voting for the Democratic party in the 2016 elections? up vote 8 down vote favorite 1 A static field cannot be referenced before it is defined or initialized: static Integer j = i; /* compile error */ static final Integer How can an advanced (circa 7000 AD) spacefaring human civilization be prevented from entering its own solar system?

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 And The optional class body of an enum constant implicitly defines an anonymous class declaration (§15.9.5) that extends the immediately enclosing enum type. asked 2 years ago viewed 126 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Visit Chat Related 172Static initializer in Java71In what order do static I've looked around a few of the posts on this topic, and have seen the order that initialisation runs, but this doesn't seem to violate the rule.