I've included my code in the picture below. Best of luck
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{
}
Answer: Contracts
Explanation:
The contract is the mechanism which is basically used by the developers to follow the set of rules that is defined in the framework with the proper specification in the API ( Application programming interface).
The contract is the proper agreement between the two and more developers so that they must follow the rules that is mentioned in the agreement contract.
The contract is widely used in the software development process in which all the possible design requirement are mentioned according to the needs of the client.
Therefore, Contract is the correct option.
