modules/javafx.base/src/main/java/javafx/beans/binding/MapExpression.java

@@ -97,10 +97,12 @@
      * {@code ObservableMapValue} is already a {@code MapExpression}, it
      * will be returned. Otherwise a new
      * {@link javafx.beans.binding.MapBinding} is created that is bound to
      * the {@code ObservableMapValue}.
      *
+     * @param <K> the type of the wrapped {@code Object}
+     * @param <V> the type of the wrapped {@code ObjectBinding}
      * @param value
      *            The source {@code ObservableMapValue}
      * @return A {@code MapExpression} that wraps the
      *         {@code ObservableMapValue} if necessary
      * @throws NullPointerException

@@ -133,10 +135,11 @@
         };
     }
 
     /**
      * The size of the map
+     * @return the size
      */
     public int getSize() {
         return size();
     }
 

@@ -146,10 +149,11 @@
      */
     public abstract ReadOnlyIntegerProperty sizeProperty();
 
     /**
      * A boolean property that is {@code true}, if the map is empty.
+     * @return the {@code ReadOnlyBooleanProperty}
      */
     public abstract ReadOnlyBooleanProperty emptyProperty();
 
     /**
      * Creates a new {@link ObjectBinding} that contains the mapping of the specified key.