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about final

karnatam narendraprasad
Ranch Hand

Joined: Mar 01, 2007
Posts: 30
class test

public static void main ( String [] args )
final Integer x4 = 8;
final int x = 10;

switch ( x )
case x4:
case x:

the above code will not compile.
actiualy finl values cant be changed.but it give compile time error.why
marc weber

Joined: Aug 31, 2004
Posts: 11343

The error message tells you "constant expression required." Constant expressions are defined under JLS 15.28 Constant Expression. Unboxed wrapper values are not included in this list.

"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer
I agree. Here's the link:
subject: about final
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