Object Oriented Programming Concepts Quiz

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Questions and Answers

What is the process called when a class acquires the property of another class in Object Oriented Programming?

Encapsulation
Data Abstraction
Inheritance (correct)
Polymorphism

Which term describes the act of using essential features without including background details?

Encapsulation
Inheritance
Data Abstraction (correct)
Polymorphism

What is the primary focus in Object Oriented Programming?

Compilers
Data (correct)
Benefits of OOP
Interpreters

Who is known for developing the Java programming language?

James Gosling (B) Signup and view all the answers

What does JVM stand for in the context of Java programming?

Java Virtual Machine (D) Signup and view all the answers

What distinguishes a compiler from an interpreter?

Compilers process the complete source program at once, while interpreters read and execute the source program line by line (D) Signup and view all the answers

Why does Java bytecode need to be converted into machine code by JVM before execution?

To make the program platform-independent (A) Signup and view all the answers

Why does Java treat 'studentMarks' and 'StudentMarks' as two different variables?

Java is case sensitive (B) Signup and view all the answers

Which keyword controls the visibility of class members in Java?

private (D) Signup and view all the answers

Why is the main method in Java declared as 'public static void'?

'public' ensures it can be accessed outside its class, 'static' allows it to be called without object creation, 'void' signifies it doesn't return a value (C) Signup and view all the answers