8272626: Avoid C-style array declarations in java.*

Reviewed-by: dfuchs, alanb

src/java.base/share/classes/java/util/regex/Matcher.java

@@ -289,7 +289,7 @@ public final class Matcher implements MatchResult {
         private final String text;
 
         ImmutableMatchResult(int first, int last, int groupCount,
-                             int groups[], String text)
+                             int[] groups, String text)
         {
             this.first = first;
             this.last = last;