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{
}
A program that can be used in many scenarios
Answer:
B
Explanation:
i’m an information technology student and as I remember we used this name
Answer: Operating system
Explanation:
A computer's OS (operating system) is one of the type of computer software and the main function of an operating system is that it helps in managing the hardware, processes, memory and the software of the computer application.
An operating system basically providing the set of instruction to the computer for the communication purpose and perform various types of task in the computer system.
According to the given question, an operating system is refers to the software program that helps in coordinating all the task and the activities in the computer system.
Therefore, Operating system is the correct answer.