config: Fixes html entities

sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/AvoidConstantAsFirstOperandInConditionCheck.java

@@ -39,7 +39,8 @@
  * </p>
  *
  * <p>
- * This check was extended to include all equality checks like "&gt;", "&gt;=", "&lt;", "&lt;="
+ * This check was extended to include all equality checks like {@literal >},
+ * {@literal >=}, {@literal <}, {@literal <=}
  * for users who prefer constants always be on the right-hand side for any condition.
  * </p>
  *

sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/LogicConditionNeedOptimizationCheck.java

@@ -29,7 +29,8 @@
  * methods and instanceof in '&&' and '||' conditions.
  * </p>
  * <p>
- * For example: if(getProperty() &amp;&amp; property) ==&gt; if(property &amp;&amp; getProperty()),
+ * For example:
+ * {@code if(getProperty() && property) ==> if(property && getProperty())}
  * and similarly for any expression.
  * </p>
  *

sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/coding/MultipleStringLiteralsExtendedCheck.java

@@ -47,7 +47,7 @@ public class MultipleStringLiteralsExtendedCheck extends AbstractCheck {
     public static final String MSG_KEY = "multiple.string.literal";
 
     /**
-     * The found strings and their positions. <String, ArrayList>, with
+     * The found strings and their positions. {@code <String,ArrayList>}, with
      * the ArrayList containing StringInfo objects.
      */
     private final Map<String, List<DetailAST>> stringMap = new HashMap<>();