New classes can be derived from existing classes using a mechanism called inheritance (see the information beginning in Single Inheritance). Classes that are used for derivation are called base classes of a particular derived class. A derived class is declared using the following syntax:
John Brown (abolitionist) John Brown (May 9, 1800 â December 2, 1859) was an American abolitionist who believed armed insurrection was the only way to overthrow the institution of slavery in the United States. Brown first gained attention when he led small groups of volunteers during the Bleeding Kansas crisis of 1856.
John Brownâs raid on Harpers Ferry. Abolitionist John Brown leads a small group on a raid against a federal armory in Harpers Ferry, Virginia (now West Virginia), in an attempt to start an armed slave revolt and destroy the institution of slavery. Born in Connecticut in 1800 and raised in Ohio, Brown came from a staunchly Calvinist and antislavery family.