Quiz on Object Oriented Programming and Java

What is the primary focus of Object-Oriented Programming (OOP)?

• Data encapsulation and objects

• Sequential execution of code

• Functions and procedures

• Global data management

Which of the following is NOT a core principle of OOP?

• Encapsulation

• Inheritance

• Polymorphism

• Compilation

What is the purpose of the 'main' method in a Java program?

• To create objects

• To handle exceptions

• To serve as the entry point for execution

• To define class properties

Which Java keyword is used to declare a constant?

• const

• static

• immutable

• final

What does the 'printf()' method in Java do?

• Prints formatted output

• Reads user input

• Compiles Java code

• Handles exceptions

Which of the following is a primitive data type in Java?

• String

• Array

• int

• Object

What is the output of the following code: System.out.println(5 + 3);?

• 8

• 5 + 3

• 53

• Error

Which operator is used for logical AND in Java?

• !

• ||

• &&

• AND

What is the result of the expression '10 % 3' in Java?

• 10

• 3

• 1

• 0

Which of the following statements is true about Java?

• Java is a low-level programming language.

• Java is platform-dependent.

• Java supports multithreading.

• Java does not support OOP.