Test your Core Java skills

This course is for anyone who wants to test or brush up their core Java skills or face java interviews. 

Java is the most popular language world wide and technologies like Servlets & JSP, J2EE, Struts, Spring, Hibernate, JMS or android for mobile applications are all based on core Java. 

Quizzes cover following topics:-

• Java syntax and grammar

• Javadoc and developer comments and their significance.

• Variables, Data Types and Operators

• Control Statements: if-else, switch-case and loops

• Java arrays and Command-line arguments

• Packages, classpath and User-input using Scanner

• Classes, objects, constructors, initialization blocks, type of variables, methods and Garbage collection

• Object Oriented Programming Concepts:

  • Encapsulation

  • Inheritance

  • Polymorphism

  • Abstraction

• Access specifier, instanceof operator and casting

• String, StringBuilder and Wrapper classes

• Exception

• Enumeration

Most of the Quiz questions are not straight forward. There are tricky questions included to flex your java muscles.

So, grab a cup of coffee or your favorite drink and enjoy the test.

Features of Practice Tests:

• You can pause the test at any time and resume later.

• You can retake the test as many times as you would like.

• The progress bar at the top of the screen will show your progress as well as the time remaining in the test. If you run out of time, don’t worry; you will still be able to finish the test.

• You can skip a question to come back to at the end of the exam.

• You can also use “Mark for Review” to come back to questions you are unsure about before you submit your test.

• If you want to finish the test and see your results immediately, press the stop button. 

Copyright 2026 Udayan Khattry

All rights reserved. No part of this course may be reproduced in any form or by any electronic or mechanical means, including information storage and retrieval systems, without permission in writing from the author.