State the four principles of object-oriented programming and explain each in one sentence.
Introduction to Object-Oriented Programming
Original Khojo Papers practice question — not from a past board paper.
A class is a blueprint or template that defines the data members and member methods common to a kind of object; it occupies no memory of its own for those members. An object is an instance of a class, created at run time, with its own copy of the instance variables and memory allocated to it.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Many objects can be created from one class.
From the same topic and chapter, at a similar level.
State the four principles of object-oriented programming and explain each in one sentence.
Introduction to Object-Oriented Programming
State three differences between procedural and object-oriented programming.
Introduction to Object-Oriented Programming
Explain data abstraction and data encapsulation and state the difference between them.
Introduction to Object-Oriented Programming
What is a constructor? State three of its characteristics.
Constructors
Name the eight primitive data types of Java and state the size of each.
Values and Data Types
Explain the ternary operator in Java and rewrite "if (a > b) max = a; else max = b;" using it.
Operators and Expressions in Java