8275360: Use @Override in javax.annotation.processing

Reviewed-by: iris

src/java.compiler/share/classes/javax/annotation/processing/AbstractProcessor.java

@@ -79,6 +79,7 @@ public abstract class AbstractProcessor implements Processor {
      * @return the options recognized by this processor, or an empty
      * set if none
      */
+    @Override
     public Set<String> getSupportedOptions() {
         SupportedOptions so = this.getClass().getAnnotation(SupportedOptions.class);
         return (so == null) ?
@@ -101,6 +102,7 @@ public abstract class AbstractProcessor implements Processor {
      * @return the names of the annotation interfaces supported by
      * this processor, or an empty set if none
      */
+    @Override
     public Set<String> getSupportedAnnotationTypes() {
             SupportedAnnotationTypes sat = this.getClass().getAnnotation(SupportedAnnotationTypes.class);
             boolean initialized = isInitialized();
@@ -128,6 +130,7 @@ public abstract class AbstractProcessor implements Processor {
      *
      * @return the latest source version supported by this processor
      */
+    @Override
     public SourceVersion getSupportedSourceVersion() {
         SupportedSourceVersion ssv = this.getClass().getAnnotation(SupportedSourceVersion.class);
         SourceVersion sv = null;
@@ -167,6 +170,7 @@ public abstract class AbstractProcessor implements Processor {
     /**
      * {@inheritDoc}
      */
+    @Override
     public abstract boolean process(Set<? extends TypeElement> annotations,
                                     RoundEnvironment roundEnv);
 
@@ -178,6 +182,7 @@ public abstract class AbstractProcessor implements Processor {
      * @param member {@inheritDoc}
      * @param userText {@inheritDoc}
      */
+    @Override
     public Iterable<? extends Completion> getCompletions(Element element,
                                                          AnnotationMirror annotation,
                                                          ExecutableElement member,

src/java.compiler/share/classes/javax/annotation/processing/Completions.java

@@ -52,7 +52,6 @@ public class Completions {
             return value;
         }
 
-
         public String getMessage() {
             return message;
         }