Update javadoc

src/main/org/apache/tools/ant/taskdefs/condition/IsLastModified.java

@@ -208,6 +208,7 @@ public class IsLastModified extends ProjectComponent implements Condition {
             setValue(s);
         }
 
+        /** {@inheritDoc}. */
         @Override
         public String[] getValues() {
             return new String[] {

src/main/org/apache/tools/ant/taskdefs/optional/junitlauncher/confined/ListenerDefinition.java

@@ -156,8 +156,12 @@ public class ListenerDefinition {
         return propertyHelper.testIfCondition(this.ifProperty) && propertyHelper.testUnlessCondition(this.unlessProperty);
     }
 
+    /**
+     * defines available listener types.
+     */
     public static class ListenerType extends EnumeratedAttribute {
 
+        /** {@inheritDoc}. */
         @Override
         public String[] getValues() {
             return new String[]{LEGACY_PLAIN, LEGACY_BRIEF, LEGACY_XML};