question: public static boolean equalsIgnoreNull ( final Object obj1 , final Object obj2 ) { return ( obj1 == null ? obj2 == null : obj1 . equals ( obj2 ) ) ; }
target:  Determines whether 2 Objects are equal in value by ignoring nulls. If both Object references are null, then they are considered equal, or neither must be null and the Objects must be equal in value as determined by their equals method. <p/>