8190382: fix small typographic errors in comments

Reviewed-by: martin

src/java.base/share/classes/java/util/Base64.java

@@ -56,7 +56,7 @@ import java.nio.charset.StandardCharsets;
  *     base64 alphabet.</p></li>
  *
  * <li><a id="mime"><b>MIME</b></a>
- * <p> Uses the "The Base64 Alphabet" as specified in Table 1 of
+ * <p> Uses "The Base64 Alphabet" as specified in Table 1 of
  *     RFC 2045 for encoding and decoding operation. The encoded output
  *     must be represented in lines of no more than 76 characters each
  *     and uses a carriage return {@code '\r'} followed immediately by

src/java.base/share/classes/java/util/EventObject.java

@@ -43,13 +43,13 @@ public class EventObject implements java.io.Serializable {
     /**
      * The object on which the Event initially occurred.
      */
-    protected transient Object  source;
+    protected transient Object source;
 
     /**
      * Constructs a prototypical Event.
      *
-     * @param    source    The object on which the Event initially occurred.
-     * @exception  IllegalArgumentException  if source is null.
+     * @param source the object on which the Event initially occurred
+     * @throws IllegalArgumentException if source is null
      */
     public EventObject(Object source) {
         if (source == null)
@@ -61,7 +61,7 @@ public class EventObject implements java.io.Serializable {
     /**
      * The object on which the Event initially occurred.
      *
-     * @return   The object on which the Event initially occurred.
+     * @return the object on which the Event initially occurred
      */
     public Object getSource() {
         return source;
@@ -70,7 +70,7 @@ public class EventObject implements java.io.Serializable {
     /**
      * Returns a String representation of this EventObject.
      *
-     * @return  A a String representation of this EventObject.
+     * @return a String representation of this EventObject
      */
     public String toString() {
         return getClass().getName() + "[source=" + source + "]";

src/java.base/share/classes/java/util/FormattableFlags.java

@@ -26,7 +26,7 @@
 package java.util;
 
 /**
- * FomattableFlags are passed to the {@link Formattable#formatTo
+ * FormattableFlags are passed to the {@link Formattable#formatTo
  * Formattable.formatTo()} method and modify the output format for {@linkplain
  * Formattable Formattables}.  Implementations of {@link Formattable} are
  * responsible for interpreting and validating any flags.

src/java.base/share/classes/java/util/ResourceBundle.java

@@ -2743,7 +2743,7 @@ public abstract class ResourceBundle {
          * of multiple subtags separated by underscore, generate candidate
          * <code>Locale</code>s by omitting the variant subtags one by one, then
          * insert them after every occurrence of <code> Locale</code>s with the
-         * full variant value in the original list.  For example, if the
+         * full variant value in the original list.  For example, if
          * the variant consists of two subtags <em>V1</em> and <em>V2</em>:
          *
          * <ul>