Java Basics

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Test Your Java Knowledge

Welcome to the Java Basics Quiz! This quiz is designed to challenge your understanding of Java programming concepts. Whether you are a beginner or looking to brush up on your skills, this quiz is for you.

11 engaging questions
Multiple choice and checkbox formats
Find out if you're ready to code in Java!

11 Questions3 MinutesCreated by CodingWizard103

Which of the following declarations does not compile?

Int num1, num2;

Double num1, int num2 = 0;

Int num1, num2 = 0;

Int num1 = 0, num2 = 0;

Which of the following statements are correct?

String is immutable

String Buffer is mutable

String Builder is mutable

String is mutable

How many objects will be created for the following codes:

A. String str1 = "Milestone";

String str2 = new String("Milestone");

B. String str1 = "Milestone";

String str2 = "Milestone";

C. String str1 = new String("Milestone");

String str2 = new String("Milestone");

A:2, B:1, C:2

A:3, B:1, C:2

A:2, B:1, C:3

A:2, B:2, C:2

Which of the following statements are incorrect?

Static method cannot access non-static methods and variables.

Static class can be inherited.

Static method can be overridden

Static variable can be accessed without object

Which option is false about the final keyword?

A final class cannot be extended.

A final method cannot be overridden in its subclasses.

A final method can be inherited.

A final class cannot extend other classes.

Which feature of OOPS derives the class from another class?

Inheritance

Data hiding

Encapsulation

Polymorphism

Which among the following cannot be used for the concept of polymorphism?

Static member function

Constructor Overloading

Member function overloading

Global member function

Java Basics

Test Your Java Knowledge

How many objects will be created for the following codes:

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