Revature Interview Study Guide Oop Concepts, Beginning Java, Sql Updated Actual Exam Questions And Correct Answers

REVATURE INTERVIEW STUDY GUIDE OOP CONCEPTS,
BEGINNING JAVA, SQL UPDATED ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS

Question 1.
What Is an Object?

ANSWER
a software bundle of related state and behavior. Often used to model the real-world _______
that you find in everyday life.



Question 2.
What are Fields and Methods?

ANSWER
An object stores its state in _______ and exposes its behavior through _______.



Question 3.
What Is a Class?

ANSWER
a blueprint or prototype from which objects are created.



Question 4.
What Is Inheritance?

ANSWER
provides a powerful and natural mechanism for organizing and structuring your software.
allows classes to inherit commonly used state and behavior from other classes






, Question 5.
What Is an Interface?

ANSWER
contract between a class and the outside world. When a class implements an ___________, it
promises to provide the behavior published by that interface. A group of related methods with
empty bodies



Question 6.
What is a Package?

ANSWER
a namespace for organizing classes and interfaces in a logical manner. Makes large software
projects easier to manage. Think of them as files on your computer



Question 7.
What is an API?

ANSWER
Application Programming Interface. A package obtained from the huge class library offered by
the Java platform.



Question 8.
What is State and Behavior

ANSWER
Real-world objects contain ___ and ___.



Question 9.
What is Encapsulation

ANSWER
Hiding internal data from the outside world, and accessing it only through publicly exposed
methods is known as data ___.