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Java Programming (advanced)

Learn Java classes, events, exceptions, mutations, design patterns, GUI components, mementos, hash codes, JUnit. Understand Java for Embedded Systems.
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Course Duration: 10 Hours
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Java is an object-oriented programming language that may be used to create software that runs on a variety of platforms. When a programmer creates a Java application, the produced code (also known as bytecode) may operate on a wide range of operating systems, including Windows, Linux, and Mac OS.

Java is a powerful general-purpose programming language. It is used to develop desktop and mobile applications, big data processing, embedded systems, and so on. According to Oracle, the company that owns Java, Java runs on 3 billion devices worldwide, which makes Java one of the most popular programming languages. Java is a powerful general-purpose programming language. It is used to develop desktop and mobile applications, big data processing, embedded systems, and so on. According to Oracle, the company that owns Java, Java runs on 3 billion devices worldwide, which makes Java one of the most popular programming languages.

Popular for its versatility and ability to create a wide variety of applications, learning Java opens up your possibilities when coding. With it, you’ll be able to develop large systems, software, and mobile applications — and even create mobile apps for Android.


Advanced Java is everything that goes beyond Core Java – most importantly the APIs defined in Java Enterprise Edition, includes Servlet programming, Web Services, the Persistence API, etc. It is a Web & Enterprise application development platform which basically follows client & server architecture.


Key Features of Advanced Java

1) Advance Java i.e. JEE (Java Enterprise Edition) gives you the library to understand the Client-Server architecture for Web Application Development which Core Java doesn’t support.

2) J2EE is platform Independent, Java Centric environment for developing, building & deploying Web-based applications online. It also consists of a set of services, APIs, and protocols, which provides the functionality that is necessary for developing multi-tiered, web-based applications.

3) You will be able to work with Web and Application Servers like Apache Tomcat, Glassfish etc and understand the communication over HTTP protocol. But, in Core Java, it is not possible.

4) There are a lot of Advance Java frameworks like Spring, JSF, Struts etc. which enable you to develop a secure transaction based web apps for the domains like E-Commerce, Banking, Legal, Financial, Healthcare, Inventory etc.


5) To work and understand the hot technologies like Hadoop and Cloud services, you should be prepared with core and advanced Java concepts.


This Advanced Java course by Uplatz extends on the introductory Java course in this Complex Java Programming training course, delving deeper into programming subjects to help you grasp these more advanced Java ideas. You should have a decent working understanding of the Java programming language before going through this lesson, as it is designed for more experienced Java developers.Learn to code in Java — a robust programming language used to create software, web and mobile apps, and more. Learn important Java coding fundamentals and practice your new skills with real-world projects.

Generic programming, sequential and associative data structures, classic data structures, sorting and searching, exception handling, database programming with JDBC, networking programming, GUI development using Swing, and an overview of Multithreading are some of the advanced topics covered in this Advanced Java Tutorial. You'll also learn about Java Applets, online applications (Servlets), advanced input and output classes, more complex strings, regular expressions, Java graphics, and how to use Eclipse. By the end of this training course, you will have a firm grasp on each of the Advanced Java Programming subjects, allowing you to go deeper into the ideas of your choosing.

Course/Topic - Java Programming (advanced) - all lectures

  • Episode 1 - Core Java Fundamentals

    • 48:58
  • Episode 2 - Java Classes and Methods and Applets - part 1

    • 36:50
  • Episode 3 - Java Classes and Methods and Applets - part 2

    • 39:28
  • Episode 4 - Java Event Handling

    • 57:44
  • Episode 5 - Java Exceptions and Programming Contracts

    • 33:03
  • Episode 6 - Java Mutations and Class Design

    • 32:50
  • Episode 7 - JUnit

    • 23:45
  • Episode 8 - Unit Testing and Debugging

    • 36:54
  • Episode 9 - Design Patterns

    • 28:33
  • Episode 10 - Specifications and OO Design Heuristics

    • 26:38
  • Episode 11 - Software Specifications and Sub-typing

    • 20:51
  • Episode 12 - GUI Components

    • 28:17
  • Episode 13 - Composite Decorators-Observers and 2D Graphics

    • 22:00
  • Episode 14 - Strategy State and Events and Packages

    • 30:34
  • Episode 15 - Mementos and Timer Threads

    • 21:29
  • Episode 16 - Hash Codes and Generics

    • 24:17
  • Episode 17 - Reflection and Java Summary

    • 17:27
  • Episode 18 - Servlets

    • 57:27
  • Episode 19 - Java for Embedded Systems

    • 10:07
Course Objectives Back to Top

·       Learn to add a layer of authentication (i.e. username/password) to their online application.

·       Manage user accounts, utilise roles (i.e. basic user vs admin user vs super user)

·       Encrypt the passwords in their database automatically.

·       Users should not be able to share their user accounts (via session management)

·       Prevent some users from accessing certain methods, add method level security.

·       Learn to add custom logic to allow legacy systems to use Spring Security.

Course Syllabus Back to Top

1.     Core Java Fundamentals

2.     Java Classes and Methods and Applets

3.     Java Event Handling

4.     Java Exceptions and Programming by Contracts

5.     Java Mutations and Class Design

6.     JUnit

7.     Unit Testing and Debugging

8.     Design Patterns

9.     Specifications and OO Design Heuristics

10.  Software Specifications and Sub-typing

11.  GUI Components

12.  Composite Decorators-Observers and 2D Graphics

13.  Strategy State and Events and Packages

14.  Mementos and Timer Threads

15.  Hash Codes and Generics

16.  Reflection and Java Summary

17.  Servlets

18.  Java for Embedded Systems

Certification Back to Top
Career & Jobs Back to Top
Interview Questions Back to Top

1. What prevents Java from being completely object-oriented?

A potential employer can use this question to assess your understanding of the unique features of the language. It's important to provide an answer that showcases your understanding of Java. Consider mentioning the data types that aren't objects and then name the eight types.


2. How long do heap memory and stack memory live in Java?

Potential employers may expect you to have a good understanding of core Java functionalities, such as memory, for a software developer position. You can provide an answer to show that you know the differences between these two memory types. Describe each type of memory and where you can use each to help make a good impression on your interviewers.


3. Describe what an instance variable is.

A hiring manager can use this question to assess your memory and data management skills using Java. This is a query about Java's architecture. You can answer it by defining the term, describing how objects use it and explaining how it reacts to changes.


4. How to reverse a String in Java?

It might be surprising, but there is no reverse() utility method in the String class. But, it’s a very simple task. We can create a character array from the string and then iterate it from the end to start. We can append the characters to a string builder and finally return the reversed string.


5. What is reflection and why is it useful?

The name reflection is used to describe code which is able to inspect other code in the same system (or itself) and to make modifications at runtime.

For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called 'doSomething' and then call it if you want to.

Method method = foo.getClass().getMethod("doSomething", null);

method.invoke(foo, null);


6. Is there anything like static class in Java?

Java has no way of making a top-level class static but you can simulate a static class like this:

Declare your class final - Prevents extension of the class since extending a static class makes no sense

Make the constructor private - Prevents instantiation by client code as it makes no sense to instantiate a static class

Make all the members and functions of the class static - Since the class cannot be instantiated no instance methods can be called or instance fields accessed

Note that the compiler will not prevent you from declaring an instance (non-static) member. The issue will only show up if you attempt to call the instance member


7. What is the tradeoff between using an unordered array versus an ordered array?

The major advantage of an ordered array is that the search times have time complexity of O(log n), compared to that of an unordered array, which is O (n). The disadvantage of an ordered array is that the insertion operation has a time complexity of O(n), because the elements with higher values must be moved to make room for the new element. Instead, the insertion operation for an unordered array takes constant time of O(1).


8. Why does Java have transient fields?

The transient keyword in Java is used to indicate that a field should not be part of the serialization.

By default, all of object's variables get converted into a persistent state. In some cases, you may want to avoid persisting some variables because you don't have the need to persist those variables. So you can declare those variables as transient. If the variable is declared as transient, then it will not be persisted.


9. What could be the tradeoff between the usage of an unordered array versus the usage of an ordered array?

The main advantage of having an ordered array is the reduced search time complexity of O(log n) whereas the time complexity in an unordered array is O(n).

The main drawback of the ordered array is its increased insertion time which is O(n) due to the fact that its element has to reordered to maintain the order of array during every insertion whereas the time complexity in the unordered array is only O(1).

Considering the above 2 key points and depending on what kind of scenario a developer requires, the appropriate data structure can be used for implementation.


10. Is it possible to import the same class or package twice in Java and what happens to it during runtime?

It is possible to import a class or package more than once, however, it is redundant because the JVM internally loads the package or class only once.


11. In case a package has sub packages, will it suffice to import only the main package? e.g. Does importing of com.myMainPackage.* also import com.myMainPackage.mySubPackage.*?

This is a big NO. We need to understand that the importing of the sub-packages of a package needs to be done explicitly. Importing the parent package only results in the import of the classes within it and not the contents of its child/sub-packages.


12. Will the finally block be executed if the code System.exit(0) is written at the end of try block?

NO. The control of the program post System.exit(0) is immediately gone and the program gets terminated which is why the finally block never gets executed.


13. What do you understand by marker interfaces in Java?

Marker interfaces, also known as tagging interfaces are those interfaces that have no methods and constants defined in them. They are there for helping the compiler and JVM to get run time-related information regarding the object


14. Name two differences between an object and a class.

A recruiter can use this question to assess your attention to detail. You may require a good understanding of each of these Java features to identify the slight differences. You can answer this question by focusing on virtual reality and behavior differences.


15. How long do heap memory and stack memory live in Java?

Potential employers may expect you to have a good understanding of core Java functionalities, such as memory, for a software developer position. You can provide an answer to show that you know the differences between these two memory types. Describe each type of memory and where you can use each to help make a good impression on your interviewers.


16. Describe Java and state some of its features.

The interviewer can use this question to assess your understanding of Java and its basic components. It can also show your understanding of the importance of Java programming to institutions and how to apply it. In your answer, provide a clear and concise definition of the term and state the key features.

Course Quiz Back to Top
Start Quiz
Q1. What are the payment options?
A1. We have multiple payment options: 1) Book your course on our webiste by clicking on Buy this course button on top right of this course page 2) Pay via Invoice using any credit or debit card 3) Pay to our UK or India bank account 4) If your HR or employer is making the payment, then we can send them an invoice to pay.

Q2. Will I get certificate?
A2. Yes, you will receive course completion certificate from Uplatz confirming that you have completed this course with Uplatz. Once you complete your learning please submit this for to request for your certificate https://training.uplatz.com/certificate-request.php

Q3. How long is the course access?
A3. All our video courses comes with lifetime access. Once you purchase a video course with Uplatz you have lifetime access to the course i.e. forever. You can access your course any time via our website and/or mobile app and learn at your own convenience.

Q4. Are the videos downloadable?
A4. Video courses cannot be downloaded, but you have lifetime access to any video course you purchase on our website. You will be able to play the videos on our our website and mobile app.

Q5. Do you take exam? Do I need to pass exam? How to book exam?
A5. We do not take exam as part of the our training programs whether it is video course or live online class. These courses are professional courses and are offered to upskill and move on in the career ladder. However if there is an associated exam to the subject you are learning with us then you need to contact the relevant examination authority for booking your exam.

Q6. Can I get study material with the course?
A6. The study material might or might not be available for this course. Please note that though we strive to provide you the best materials but we cannot guarantee the exact study material that is mentioned anywhere within the lecture videos. Please submit study material request using the form https://training.uplatz.com/study-material-request.php

Q7. What is your refund policy?
A7. Please refer to our Refund policy mentioned on our website, here is the link to Uplatz refund policy https://training.uplatz.com/refund-and-cancellation-policy.php

Q8. Do you provide any discounts?
A8. We run promotions and discounts from time to time, we suggest you to register on our website so you can receive our emails related to promotions and offers.

Q9. What are overview courses?
A9. Overview courses are 1-2 hours short to help you decide if you want to go for the full course on that particular subject. Uplatz overview courses are either free or minimally charged such as GBP 1 / USD 2 / EUR 2 / INR 100

Q10. What are individual courses?
A10. Individual courses are simply our video courses available on Uplatz website and app across more than 300 technologies. Each course varies in duration from 5 hours uptop 150 hours. Check all our courses here https://training.uplatz.com/online-it-courses.php?search=individual

Q11. What are bundle courses?
A11. Bundle courses offered by Uplatz are combo of 2 or more video courses. We have Bundle up the similar technologies together in Bundles so offer you better value in pricing and give you an enhaced learning experience. Check all Bundle courses here https://training.uplatz.com/online-it-courses.php?search=bundle

Q12. What are Career Path programs?
A12. Career Path programs are our comprehensive learning package of video course. These are combined in a way by keeping in mind the career you would like to aim after doing career path program. Career path programs ranges from 100 hours to 600 hours and covers wide variety of courses for you to become an expert on those technologies. Check all Career Path Programs here https://training.uplatz.com/online-it-courses.php?career_path_courses=done

Q13. What are Learning Path programs?
A13. Learning Path programs are dedicated courses designed by SAP professionals to start and enhance their career in an SAP domain. It covers from basic to advance level of all courses across each business function. These programs are available across SAP finance, SAP Logistics, SAP HR, SAP succcessfactors, SAP Technical, SAP Sales, SAP S/4HANA and many more Check all Learning path here https://training.uplatz.com/online-it-courses.php?learning_path_courses=done

Q14. What are Premium Career tracks?
A14. Premium Career tracks are programs consisting of video courses that lead to skills required by C-suite executives such as CEO, CTO, CFO, and so on. These programs will help you gain knowledge and acumen to become a senior management executive.

Q15. How unlimited subscription works?
A15. Uplatz offers 2 types of unlimited subscription, Monthly and Yearly. Our monthly subscription give you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews each month. Minimum committment is for 1 year, you can cancel anytime after 1 year of enrolment. Our yearly subscription gives you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews every year. Minimum committment is for 1 year, you can cancel the plan anytime after 1 year. Check our monthly and yearly subscription here https://training.uplatz.com/online-it-courses.php?search=subscription

Q16. Do you provide software access with video course?
A16. Software access can be purchased seperately at an additional cost. The cost varies from course to course but is generally in between GBP 20 to GBP 40 per month.

Q17. Does your course guarantee a job?
A17. Our course is designed to provide you with a solid foundation in the subject and equip you with valuable skills. While the course is a significant step toward your career goals, its important to note that the job market can vary, and some positions might require additional certifications or experience. Remember that the job landscape is constantly evolving. We encourage you to continue learning and stay updated on industry trends even after completing the course. Many successful professionals combine formal education with ongoing self-improvement to excel in their careers. We are here to support you in your journey!

Q18. Do you provide placement services?
A18. While our course is designed to provide you with a comprehensive understanding of the subject, we currently do not offer placement services as part of the course package. Our main focus is on delivering high-quality education and equipping you with essential skills in this field. However, we understand that finding job opportunities is a crucial aspect of your career journey. We recommend exploring various avenues to enhance your job search:
a) Career Counseling: Seek guidance from career counselors who can provide personalized advice and help you tailor your job search strategy.
b) Networking: Attend industry events, workshops, and conferences to build connections with professionals in your field. Networking can often lead to job referrals and valuable insights.
c) Online Professional Network: Leverage platforms like LinkedIn, a reputable online professional network, to explore job opportunities that resonate with your skills and interests.
d) Online Job Platforms: Investigate prominent online job platforms in your region and submit applications for suitable positions considering both your prior experience and the newly acquired knowledge. e.g in UK the major job platforms are Reed, Indeed, CV library, Total Jobs, Linkedin.
While we may not offer placement services, we are here to support you in other ways. If you have any questions about the industry, job search strategies, or interview preparation, please dont hesitate to reach out. Remember that taking an active role in your job search process can lead to valuable experiences and opportunities.

Q19. How do I enrol in Uplatz video courses?
A19. To enroll, click on "Buy This Course," You will see this option at the top of the page.
a) Choose your payment method.
b) Stripe for any Credit or debit card from anywhere in the world.
c) PayPal for payments via PayPal account.
d) Choose PayUmoney if you are based in India.
e) Start learning: After payment, your course will be added to your profile in the student dashboard under "Video Courses".

Q20. How do I access my course after payment?
A20. Once you have made the payment on our website, you can access your course by clicking on the "My Courses" option in the main menu or by navigating to your profile, then the student dashboard, and finally selecting "Video Courses".

Q21. Can I get help from a tutor if I have doubts while learning from a video course?
A21. Tutor support is not available for our video course. If you believe you require assistance from a tutor, we recommend considering our live class option. Please contact our team for the most up-to-date availability. The pricing for live classes typically begins at USD 999 and may vary.