Interfaces in Object Oriented Programming Languages. An interface is a programming structure/syntax that allows the computer to enforce certain properties on an object (class). For example, say we have a car class and a scooter class and a truck class. Each of these three classes should have a start_engine() action.
The epidermis is the very outer layer of the skin that provides protection from bacteria (thanks to it's pH level), becoming overloaded with water (it's waterproof) and from heat loss. It has four of five distinct layers to achieve this.
Epidermis is the outermost layer of the skin and very different compared to the innermost layer called the dermis. The epidermis is a tough layer of skin as it is the one which is continuously exposed to environmental trauma. The epidermis has no blood vessels and is composed of many layers stacked one above the other.It is made up of keratinocytes, melanocytes and other cells.The melanocytes present in this layer give skin the color that we see.he epidermis has no blood vessels and is composed of many layers stacked one above the other. It is made up of keratinocytes, melanocytes and other cells. The melanocytes present in this layer give skin the color that we see.