RFR: JDK-8297332: Remove easy warnings in base

[Kevin Rushforth]

On Mon, 21 Nov 2022 17:35:08 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

>> - Remove unsupported/unnecessary SuppressWarning annotations
>> - Remove reduntant type specifications (use diamond operator)
>> - Remove unused or duplicate imports
>> - Remove unnecessary casts (type is already correct type or can be autoboxed)
>> - Remove unnecessary semi-colons (at end of class definitions, or just repeated ones)
>> - Remove redundant super interfaces (interface that is already inherited)
>> - Remove unused type parameters
>> - Remove declared checked exceptions that are never thrown
>> - Add missing `@Override` annotations
>
> modules/javafx.base/src/shims/java/javafx/event/EventTypeShim.java line 30:
> 
>> 28: import java.util.List;
>> 29: 
>> 30: public class EventTypeShim<T extends Event> {
> 
> this changes public API surface, does it not?

This is in the test shims, so not public API.

-------------

PR: https://git.openjdk.org/jfx/pull/957