first bit of java 5 in the weaver module - will the build machine cope?

weaver/.isJava5

+  

weaver/src/org/aspectj/weaver/bcel/BcelAnnotation.java

 	/**
 	 * {@inheritDoc}
 	 */
-	public Set /* of String */getTargets() {
+	public Set<String> getTargets() {
 		if (!type.equals(UnresolvedType.AT_TARGET)) {
-			return Collections.EMPTY_SET;
+			return Collections.emptySet();
 		}
 		List values = bcelAnnotation.getValues();
 		ElementNameValuePairGen envp = (ElementNameValuePairGen) values.get(0);