JAVA Interview Questions 👨🏻‍💻 #slainstitute #java #interview #basicquestions

💻 Ready to land that Java developer role? Here are the must-know interview questions to ace your basics! 💡

Here we put 15 fundamental interview questions for a Java developer role, covering key areas that assess a solid understanding of Java basics:

1. What are the main features of Java?
- Briefly explain Java's key features, such as platform independence, object-oriented structure, and automatic memory management.

2. What is the difference between JDK, JRE, and JVM?
- Describe the role of each and how they work together in the Java ecosystem.

3. What are access modifiers in Java, and what do they do?
- Explain `public`, `private`, `protected`, and default access, and how they control visibility.

4. What is the difference between `==` and `.equals()` in Java?
- Explain when to use each for comparing objects and primitive data types.

5. What is inheritance in Java, and why is it useful?
- Describe the concept and how it helps promote code reusability.

6. What is polymorphism, and how does it work in Java?
- Explain method overloading and overriding and how they enable polymorphism.

7. What is the purpose of the `final` keyword?
- Describe the `final` keyword for variables, methods, and classes, and its effects.

8. What is the difference between `String`, `StringBuilder`, and `StringBuffer`?
- Discuss immutability, thread-safety, and performance considerations.

9. What is encapsulation, and why is it important?
- Define encapsulation and show how to achieve it using private fields and getter/setter methods.

10. What is the purpose of the `static` keyword?
- Explain how `static` is used with variables, methods, and classes.

11. What is an interface, and how does it differ from an abstract class?
- Explain the purpose of interfaces, how they differ from abstract classes, and when to use each.

#JavaInterview #DeveloperTips #CodingJourney #TechCareers #JavaBasics #Sla #slainstitute #interviewtips #interview

Welcome to SLA Institute - Your Path to Success! 🎓

At SLA Institute, we are dedicated to providing unwavering support to our students, ensuring a top-notch learning experience on their journey to success. If you're searching for the best institute in Chennai, your quest ends here - we've got your back!

Our comprehensive range of courses covers everything from Java and Python training to CCNA, Full Stack Development, .NET, RPA, AWS, Software Testing, Cloud Computing, Data Science, and Selenium. These programs cater to the needs of both freshers and experienced professionals. No matter where you are in your career, SLA Institute offers the right program to propel you forward.

Our expert trainers, state-of-the-art infrastructure, and hands-on learning approach distinguish us as the foremost training institute in Chennai. We are committed to helping you acquire the skills and knowledge required to excel in your chosen field.

#SLAInstitute #Support #StudentExperience #Education #SuccessJourney #bestinstitute #softlogicsystems #slainstitute #softlogicchennai #slatraining #javatraining #pythontraining #CCNATraininginChennai #FullstacktraininginChennai #javatraininginchennai #dotnettraininginchennai #rpatraininginchennai #AwstraininginChennai #softwaretestingtraininginchennai #cloudcomputingtraininginchennai #DataScienceTraininginChennai #pythontraininginchennai #Seleniumtraininginchennai #fresher #freshers 🚀

[kDeveloper]

why "what is a function in javascript?" in java interview question