LATEST REVATURE ASSESSMENT (OOP & JAVA)
2024-2025 QUESTIONS WITH 100% CORRECT
ANSWERS
Object-Oriented Programming - CORRECT ANSWER is a methodology or paradigm
to design a program using classes and objects. It simplifies the software development
and maintenance by providing some concepts
Object - CORRECT ANSWER Any entity that has state and behavior. For example, a
chair, pen, table, keyboard, bike, etc. It can be physical or logical
Class - CORRECT 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 - CORRECT 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 - CORRECT ANSWER It is called when an instance of the object is
created, and memory is allocated for the object
When is a constructor called? - CORRECT 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 - CORRECT ANSWER Constructor
name must be the same as its class name
A Java constructor cannot be abstract, static, final, and synchronized
Types of constructors - CORRECT ANSWER Default Constructor
Parameterized Constructor
Default Constructor - CORRECT ANSWER is a no-args constructor that the Java
compiler inserts on your behalf
Parameterized Constructor - CORRECT ANSWER A constructor which has a specific
number of parameters
Constructor Overloading - CORRECT ANSWER in Java is a technique of having more
than one constructor with different parameter lists.
Method - CORRECT ANSWER A ____ is used to expose the behavior of an object.
A ____ must have a return type.
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