Stephanie Spears, 26, of Amherst Road, Hastings, pleaded guilty to being in possession on a 20cm long kitchen knife in a public place.
The offence took place at Alexandra Park, Hastings, on October 11.
The court made a community order with a requirement of 70 hours of unpaid work.
See also: Hastings man jailed after pushing woman through window in domestic violence incident.
See also: St Leonards man jailed for burglary and stealing a charity box.