Hello guys, if you are going for a Java support engineer interview and looking for some frequently asked questions then you have come to the right place. I have shared many posts about Java interview questions in the past but nothing, particularly from the support engineer perspective. Since there are a lot of L1 and L2 support job that exists in BFSI (Banking, Finance, and Insurance Industry) and they are also for the longer term, I decided to write this post. In this article, I will share questions to help with technical aspects like the essential skills you need to clear a support engineer interview.
10 Examples of New HttpClient + HttpRequest + HttpResponse In Java 11 (REST Client]
Hello guys, one of the notable addition in recent Java release is the full fledged HttpClient from Java. This is one of the class or utility which was much needed in Java. It was quite surprising that JDK doesn't have any fully functional HTTP client to connect to REST APIs in this world of API Integration. Until Java 11, Java developer rely on classes like RestTemplate and WebClient from Spring Framework to make HTTP class to REST APIs, but now you don't need to include Spring Framework in your project just for that. You can now use HttpClient class and its support classes like HttpRequest and HttpResponse to make both synchronous and asynchronous HTTP calls in Java.
Top 40 Core Java Interview Questions Answers from Telephonic Round [UPDATED]
Hello guys, here is another post about preparing for Java Interviews, this time we will take a look at 40 core Java questions from the telephonic round of Java Programming interviews. Phone interviews are usually the first step to screen a candidate after selecting his resume. Since it's easy to call a candidate than to schedule a face-to-face interview, book rooms, and arrange for a meeting, a telephonic round of interviews is quite popular nowadays. There were days only one telephonic round of interviews was enough but nowadays, it's almost two and three rounds of phone interviews with different team members before you get a chance for face-to-face interviews.
Difference between Abstraction and Encapsulation in Java and Object Oriented Programming? [Answer]
The difference between Abstraction and Encapsulation in Java is a common question in Java interviews for Beginners to check their understanding of Object-Oriented Programming and their ability to use them. Abstraction and Encapsulation in Java are two important Object-oriented programming concepts and they are completely different from each
other. The only similarity between Abstraction and Encapsulation is that they are
OOP concepts, other than that they mean two different things, but there is a confusing thing, both hide details to simplify things but for different reasons.
Differences Between JPA, Hibernate, and MyBatis
Hello guys Are you tired of using plain old SQL to access your database? Are you looking for a better way to manage your database interactions in Java? Well, you're in luck because JPA, Hibernate, and MyBatis are here to save the day! If you're a Java developer, you've likely come across the terms JPA, Hibernate, and MyBatis when working with databases. While they all deal with object-relational mapping (ORM), they have their own distinct approaches and features. Understanding the differences between them can help you make informed decisions when choosing which one to use for your projects.
Top 10 Object Oriented Programming Concepts Every Programmer Should Learn
Object-oriented programming (OOP) is a programming style that is used to solve the problem by thinking in terms of real-world objects like Car, Bag, Animal, etc. It also helps you to organize code, which makes it easier to understand and solve complex programs. Objects hold information about state and behavior. States are the characteristics of the object, or the words you would use to describe it, and usually, take the form of is or has descriptors. A computer is either on or off, a chair has four legs, and you have a name. Behaviors are the things the object can do, or the actions the purpose can perform and are usually verbs that end in ing like You are sitting, using a computer, and reading this article.
Can You Override Private Method in Java? Inner Class?
No, you cannot override private methods in Java, private methods are non-virtual in Java and access differently than non-private one. Since method overriding can only be done on derived class and private methods are not accessible in a subclass, you just can not override them. By the way, one more possibility of overriding private methods in an inner class, since private methods are accessible in an inner class, and that’s why it is one of the tricky java interview questions. Anyway, this will also not work because private methods are bonded during compile time and only Type (or Class) is used to locate a private method.
What is YAML? How to define List and Map in YAML? Example Tutorial
Hello everyone, in this article we are going to take a look at how to use List and Map in YAML file. But before we jump into the topic. We start by defining the YAML document and why it is used. What advantages does it offer compared to the properties file? But before that let's learn what is YAML? and how different it is from JSON and XML, two popular technology for configuration declaration. YAML stands for yet another markup language. YAML is a well-known programming language because it is simple to grasp and human-readable. Additionally, it can be combined with other programming languages. YAML is most extensively used in Ansible for declaring and defining playbooks.
Top 20 Python Interview Questions and Answers for 1 to 2 Years Experienced
Hello guys, if you are preparing for Python developer interview and looking for common and frequently asked Python Interview Question then you have come to the right place. Earlier, I have shared best Python courses, books, and projects and today, I am going to share best Python Interview questions with answer to get you the Python developer job you always wanted. Understanding python is easy if you choose to. What is needed is more and more practice. In this article you will find the questions that are frequently asked during python interviews. You have to take your time and go through the questions with answers and you will be more than prepared as far as python interview is concerned.
Top 15 HTML5 Interview Questions with Answers for 1 to 2 years Experienced
Hello guys, if you are preparing for web design or web development interview and
looking for HTML 5 interview questions to revise key HTML 5 topics and concepts
before interview then you have come to the right place. In the past, I have
shared
best HTML and CSS courses and in this article, I will share 15 common HTML 5 interview questions
with answers for web design and web development interviews. You can use this
list to quickly prepare for HTML 5 interviews. HTML is one of the three core
technologies of the World Wide Web(WWW). It is the most essential part of a web
application. Along with CSS and JavaScript, HTML is necessary to learn for web
development. HTML is the easiest to learn and understand.
Top 20 Selenium Interview Questions Answers for Programmers and Automation Test Engineers
Hello guys, if you are preparing for Selenium Developer or Automation Testing
Engineer interview and looking for frequently asked Selenium Interview Questions
then you have come to the right place. Earlier, I have shared
130+ Core Java Interview Questions
and
20 JUnit Interview Questions
and in this article, I am going to share 20 common Selenium questions from
interviews with answers. If you have worked with Selenium or used Selenium in
your project then most likely you can answer all of these questions but if you
struggle to answer any of these Selenium interview questions then you have
always go back and check one of these
best Selenium online course
to learn and revise key Selenium concepts.
Top 20 Advanced Java Questions on Anonymous Class, Nested Static and Inner Class for Interviews
Hello guys, static class and nested classes are one of the tricky topic to master in Java and that's why they are quite popular on Java Interviews. Not many Java developer knows about Anonymous class or how Lambda is compiled into Anonymous class by JVM etc. If you are going for Java Interview, I highly recommend you to prepare nested class topic well in Java. Just like in the past, I have shared many Java in-depth questions on different topics like Lambda Expression, Stream API, Generics, Collections, Multithreading, String, array, Design Patterns, OOP, Spring Framework, Hibernate etc,
Top 20 Data Analyst Interview Questions Answers for 1 to 3 Years Experienced
Hello guys, if you are preparing for Data Analyst interview and looking for frequently asked Data Analysis questions then you have come to the right place. Earlier, I have shared common Data Science questions, Machine Learning Questions, and AI questions from interviews and in this article, I am going to share common Data Analyst Interview Questions with answers for 1 to 3 years experienced people. If you have worked in the field of Data Analysis then most likely you will know the answers of all of them but if you cannot answer then I suggest you to join a good Data Analysis course like Google's Data Analyst Professional certificate on Coursera to learn and revise essential Data Analysis concepts.
Top 20 Azure Interview Questions and Answers for IT Professionals
Hello guys, if you are preparing for Azure Cloud Engineer interviews and looking for common Azure Interview Questions and Answers then you have come to the right place. Earlier, I have shared 20 Cloud Computing Interview Questions and 20 AWS Questions for interviews and today, I will share frequently asked Azure Cloud interview questions with answers. If you have worked as Azure Engineer then you can easily answer all of these questions but if you cannot then you can always go back and join one of these best Azure online courses to learn and revise key Azure concepts, services, and platform details. The list contains best online courses to learn Azure from popular websites like Udemy, Coursera, and Pluralsight.
Top 25 React Native interview Questions Answers
Hello guys, if you are preparing for React Native Developer interview and looking for common React Native Interview questions and answers then you have come to the right place. Earlier, I have shared best free online courses to learn React Native and in this article, I am going to share 25 React Native Questions you can prepare for any Job interview. Mobile application development has advanced at a rapid pace in the last decade. As the usage of mobiles has increased immensely, more and more companies have figured that mobile applications are the future. So because of this increasing demand for mobile applications, the technology has advanced to keep up with the expectations.
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