8190382: fix small typographic errors in comments

Reviewed-by: martin

src/java.base/share/classes/java/lang/invoke/MethodHandle.java

@@ -765,7 +765,7 @@ public abstract class MethodHandle {
      * In every other case, all conversions are applied <em>pairwise</em>,
      * which means that each argument or return value is converted to
      * exactly one argument or return value (or no return value).
-     * The applied conversions are defined by consulting the
+     * The applied conversions are defined by consulting
      * the corresponding component types of the old and new
      * method handle types.
      * <p>

src/java.base/share/classes/java/lang/invoke/StringConcatFactory.java

@@ -194,7 +194,7 @@ public final class StringConcatFactory {
     static {
         // In case we need to double-back onto the StringConcatFactory during this
         // static initialization, make sure we have the reasonable defaults to complete
-        // the static initialization properly. After that, actual users would use the
+        // the static initialization properly. After that, actual users would use
         // the proper values we have read from the properties.
         STRATEGY = DEFAULT_STRATEGY;
         // CACHE_ENABLE = false; // implied

src/java.base/share/classes/java/lang/invoke/VarHandle.java

@@ -205,7 +205,7 @@ import static java.lang.invoke.MethodHandleStatics.newInternalError;
  * and {@code double} on 32-bit platforms.
  *
  * <p>Access modes will override any memory ordering effects specified at
- * the declaration site of a variable.  For example, a VarHandle accessing a
+ * the declaration site of a variable.  For example, a VarHandle accessing
  * a field using the {@code get} access mode will access the field as
  * specified <em>by its access mode</em> even if that field is declared
  * {@code volatile}.  When mixed access is performed extreme care should be
@@ -423,7 +423,7 @@ import static java.lang.invoke.MethodHandleStatics.newInternalError;
  * {@link java.lang.invoke.MethodHandles#varHandleInvoker}.
  *
  * <h1>Interoperation between VarHandles and Java generics</h1>
- * A VarHandle can be obtained for a variable, such as a a field, which is
+ * A VarHandle can be obtained for a variable, such as a field, which is
  * declared with Java generic types.  As with the Core Reflection API, the
  * VarHandle's variable type will be constructed from the erasure of the
  * source-level type.  When a VarHandle access mode method is invoked, the