Java supports ; collections of related methods that typically enable you to tell objects what to do, but not how to do it (we’ll see an exception to this in java se 8).

Interfaces

Explanation:

We have the interfaces in java which contains abstract methods. So whenever we use interface in java we need to override all the abstract methods of the interfaces. Some examples of interfaces are:

mouselistener(), Eventlistener().

leaning back,   no eye contact,   fidgeting in the seat

create an interactive presentation of ms powerpoint or any other presentation software in which define the product's characteristics, benefits, why people consider it, etc.