An Abstract Class Is a Class That Has Some Methods

question 35

True/False

An abstract class is a class that has some methods without complete definitions.

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Definitions:

Discoloration

A change in color of the skin or surface, often indicating an abnormal condition or damage.

Vacuum Tube

An electronic device consisting of a sealed glass or metal enclosure containing electrodes used to control electron flow for amplifying, switching, or modifying a signal.

Needle

A slender, sharp instrument typically made of metal, used for injecting substances into the body or withdrawing fluids from it.

Syringe Method

A technique involving a syringe for injecting substances into the body, withdrawing fluids, or applying suction.