Fix javadoc errors reported by Java 11.

src/main/java/org/apache/commons/lang3/ClassUtils.java

@@ -429,8 +429,8 @@ public class ClassUtils {
      * If enough space is available, rightmost sub-packages will be displayed in full
      * length.</p>
      *
-     * <p>The following table illustrates the algorithm:</p>
-     * <table summary="abbreviation examples">
+     * <table>
+     * <caption>Examples</caption>
      * <tr><td>className</td><td>len</td><td>return</td></tr>
      * <tr><td>              null</td><td> 1</td><td>""</td></tr>
      * <tr><td>"java.lang.String"</td><td> 5</td><td>"j.l.String"</td></tr>

src/main/java/org/apache/commons/lang3/text/StrTokenizer.java

@@ -58,11 +58,9 @@ import org.apache.commons.lang3.StringUtils;
  * " a, b , c "    - Three tokens "a","b","c"   (default CSV processing trims whitespace)
  * "a, ", b ,", c" - Three tokens "a, " , " b ", ", c" (quoted text untouched)
  * </pre>
- * <p>
  *
- * This tokenizer has the following properties and options:
- *
- * <table summary="Tokenizer Properties">
+ * <table>
+ *  <caption>StrTokenizer properties and options</caption>
  *  <tr>
  *   <th>Property</th><th>Type</th><th>Default</th>
  *  </tr>

src/main/java/org/apache/commons/lang3/text/WordUtils.java

@@ -60,7 +60,8 @@ public class WordUtils {
      * <p>Leading spaces on a new line are stripped.
      * Trailing spaces are not stripped.</p>
      *
-     * <table border="1" summary="Wrap Results">
+     * <table border="1">
+     *  <caption>Examples</caption>
      *  <tr>
      *   <th>input</th>
      *   <th>wrapLength</th>
@@ -109,7 +110,8 @@ public class WordUtils {
      * <p>Leading spaces on a new line are stripped.
      * Trailing spaces are not stripped.</p>
      *
-     * <table border="1" summary="Wrap Results">
+     * <table border="1">
+     *  <caption>Examples</caption>
      *  <tr>
      *   <th>input</th>
      *   <th>wrapLength</th>
@@ -185,7 +187,8 @@ public class WordUtils {
      * <p>Leading spaces on a new line are stripped.
      * Trailing spaces are not stripped.</p>
      *
-     * <table border="1" summary="Wrap Results">
+     * <table border="1">
+     *  <caption>Examples</caption>
      *  <tr>
      *   <th>input</th>
      *   <th>wrapLength</th>

src/main/java/org/apache/commons/lang3/time/DurationFormatUtils.java

@@ -28,7 +28,8 @@ import org.apache.commons.lang3.Validate;
 /**
  * <p>Duration formatting utilities and constants. The following table describes the tokens
  * used in the pattern language for formatting.</p>
- * <table border="1" summary="Pattern Tokens">
+ * <table border="1">
+ *  <caption>Pattern Tokens</caption>
  *  <tr><th>character</th><th>duration element</th></tr>
  *  <tr><td>y</td><td>years</td></tr>
  *  <tr><td>M</td><td>months</td></tr>