Residents can register online for winter classes at the War Memorial Recreation Center as of Nov. 27, while nonresidents and walk-in registration begins Dec. 3.

The recreation center, at 1640 Cambridge St., features swimming, karate, gymnastics, tennis, Iaido, Zumba and a weight room. For the winter class schedule, visit the Department of Human Service Programs website. For information, call Donna Cameron at (617) 349-6237 or send e-mail to [email protected].