Library books and items bought in stores are 2 different applications that make use of barcodes.
Answer:
Interface
Explanation:
Java does not supports multiple inheritance by class, but we can implement multiple inharitacnce in java using interface, with interface we uses implements keyword.
Example-
Declare interface like below code -
interface parent{
}
and use in child class like below code -
class Child1 implements interface{
}
class Child2 implements interface{
}
Yes their is a way go to your downloads see if you have some thing or their shall be something that you can type in your computer and find something or you can go to Youtube or google and they can show you a video or some articles.