REVATURE INTERVIEW ACTUAL TEST FULL QUESTIONS AND CORRECT ANSWERS EXAMPREP STUDY SHEET

REVATURE INTERVIEW ACTUAL TEST FULL
QUESTIONS AND CORRECT ANSWERS
EXAMPREP STUDY SHEET

●● Object
Answer: Any entity that has state and behavior. For example, a chair,
pen, table, keyboard, bike, etc. It can be physical or logical


●● Class
Answer: in the context of Java, are templates that are used to create
objects, and to define object data types and methods


●● Advantages of OOPs over Procedure Oriented Programming
Answer: OOPs makes development and maintenance easier whereas in a
procedure-oriented programming language it is not easy to manage if
code grows as project size increases.


●● Constructor
Answer: It is called when an instance of the object is created, and
memory is allocated for the object


●● When is a constructor called?
Answer: When an object is created

, Note: A default constructor is created if class doesn't have any


●● Rules to remember while creating a constructor
Answer: Constructor name must be the same as its class name


A Constructor must have no explicit return type


A Java constructor cannot be abstract, static, final, and synchronized


●● Types of constructors
Answer: Default Constructor


Parameterized Constructor


●● Default Constructor
Answer: is a no-args constructor that the Java compiler inserts on your
behalf


●● Parameterized Constructor
Answer: A constructor which has a specific number of parameters