/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package real.estate.dao;

/**
 *
 * @author Wombat
 */
public interface Listable {

    // Compares this Listable object to "other". If they are equal, 0 is 
    //   returned 
    // If this is less than the argument, a negative value is returned 
    // If this is more than the argument, a positive value is returned
    public abstract int compareTo(Listable other);

    // Returns a new object with the same contents as this Listable object
    public abstract Listable copy();

}

@@ -498,16 +498,122 @@
 eturned%0A
+    /**%0A     * Houses are compared  based on their lot numbers%0A     * @param other%0A     * @return%0A     */%0A
     publ
@@ -731,16 +731,92 @@
  object%0A
+%0A    /**%0A     * Returns a copy of this ListHouse%0A     * @return%0A     */%0A    
     publ

Add javadoc to Listable Class