In Java, all classes extend the Object class. The Object class provides some default methods. These methods include: Select one or more: a.getObject) b.getAttribute() c.getName d. equals e.toString When we first identify the simple pieces we need to develop software, and then we assemble them into more complex algorithms we are following a Select one a. top-down approach b. bottom-up approach In a UML diagram, an arrow representing inheritance goes: Select one: O a. from the superclass to the subclass (i.e. the head of the arrow is in the supclass) O b. from the subclass to the superclass (i.e. the head of the arrow is in the superclass)