FULL PRODUCT VERSION :
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode, sharing)
ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]
A DESCRIPTION OF THE PROBLEM :
javac report unchecked array creation for varargs parameters on code that is parameterized correctly
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
enable -Xlint:unchecked for javac and try to compile the code provided
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
compilation result should be fine
ACTUAL -
compilation warnings
ERROR MESSAGES/STACK TRACES THAT OCCUR :
nformation: Compilation completed successfully with 1 warnings
Information: 0 errors
Information: 1 warning
C:\test\GenericVarArgsTest.java
Warning: Warning: line (21)[unchecked] unchecked generic array creation of type Queue<SessionImpl>[] for varargs parameter
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
public class GenericVarArgsTest {
public static void main( String[] args ) {
Controller<SessionImpl> controller = new ControllerImpl<SessionImpl>( new QueueImpl(), new QueueImpl() );
}
}
interface Session {
}
class SessionImpl implements Session {
}
interface Queue <S extends Session> {
}
class QueueImpl implements Queue<SessionImpl> {
}
interface Controller <S extends Session> {
}
class ControllerImpl <S extends Session> implements Controller<S> {
private Queue<S>[] queues;
public ControllerImpl( Queue<S>... queues ) {
this.queues = queues;
}
}
---------- END SOURCE ----------
###@###.### 2005-2-10 22:48:58 GMT