#CodingInterview

[freshyblog07]

Top Java Interview Questions and Answers You Must Know in 2025

Preparing for a Java developer role? Whether you're a fresher or an experienced candidate, being well-versed with common Java interview questions can significantly boost your confidence and chances of landing the job.

In this blog, we’ll cover the most frequently asked Java interview questions along with quick answers and explanations.

📘 Looking for a complete, detailed list of Java interview questions? 👉 Check out the full guide here: Java Interview Questions – Freshy Blog

🔹 Why Java?

Before jumping into questions, let’s quickly recall why Java is such a sought-after language:

Platform independent

Strong community support

Object-oriented

Robust memory management

Used in web, mobile, and enterprise apps

🔸 Basic Java Interview Questions

What is Java? Java is a high-level, object-oriented programming language known for its platform independence via the Java Virtual Machine (JVM).

What are the main features of Java?

Object-Oriented

Secure

Portable

Robust

Multithreaded

What is the difference between JDK, JRE, and JVM?

JDK: Development kit for Java

JRE: Environment to run Java applications

JVM: Java Virtual Machine that executes code

🔸 OOPs & Core Concepts Questions

What is inheritance in Java? Inheritance allows one class to acquire properties and methods of another class using extends.

What is the difference between method overloading and overriding?

Overloading: Same method name with different parameters in the same class

Overriding: Same method signature in child and parent class

🔸 Advanced Java Interview Questions

What is a Java ClassLoader? A part of JVM that loads classes during runtime.

What is the difference between HashMap and Hashtable?

HashMap: Non-synchronized, allows one null key

Hashtable: Thread-safe, doesn’t allow null keys/values

Explain exception handling in Java. Using try-catch-finally blocks to gracefully handle run-time errors.

📚 Want More Questions with Answers?

These are just a few of the most asked Java questions. If you're preparing for interviews and want more in-depth explanations and examples:

🔗 Visit the full post here: 👉 https://www.freshyblog.com/java-interview-questions/

It includes:

Java 8 features

Multithreading questions

Collections framework

Spring Boot & JDBC-related questions

Real interview scenarios

✅ Final Tips for Java Interviews

Practice coding daily

Build sample projects

Revise OOPs and exception handling

Study frequently used Java libraries

[tccicomputercoaching]

Ace your next tech interview with these top 10 C Language Interview Questions and answers to boost your confidence and skills.

[nikitakudande]

Salesforce Developer Interview Questions: Answers and Explanations 2025

Prepare for your Salesforce Developer interviews in 2025 with this comprehensive guide featuring top interview questions, expert-crafted answers, and detailed explanations. Whether you're a fresher or experienced professional, this resource covers real-world scenarios, Apex coding challenges, Lightning components, integrations, and best practices to help you crack your next Salesforce Developer interview with confidence. Stay updated with the latest trends and questions asked by top companies in 2025.#SalesforceDeveloper

[fortunatelycoldengineer]

🚀 Crack Your Next Python Pandas Interview! 🐼💡 Are you preparing for a data science or Python developer interview? 📊 Get ahead with these essential Pandas interview questions covering: ✅ DataFrames & Series Basics ✅ Indexing & Slicing ✅ Data Cleaning & Manipulation ✅ GroupBy & Aggregations ✅ Merging & Joins ✅ Performance Optimization Master these concepts and boost your confidence! 💪 👉 https://bit.ly/41KQ1DR 💬 What’s the toughest Pandas question you’ve faced? Drop it in the comments! ⬇️

[javascriptinterviewpreparation]

Are These Strings Anagrams? Check in JavaScript Like a Pro! Part 9

Javascript Interview Question #9

Are you ready to ace your JavaScript interviews?

🔥 Our expert developer walks you through a common interview question: How to check if two strings are anagrams in JavaScript. We'll break down the logic, explore different approaches, and write clean, efficient code to solve this problem step-by-step.

Anagrams are a classic problem in coding interviews, and mastering this will sharpen your skills in handling strings, arrays, and object manipulation. Perfect for beginners and those looking to refine their JavaScript knowledge!

💻 🔑 Topics Covered: Understanding Anagrams Breaking Down the Algorithm Writing & Optimizing JavaScript Code If you're prepping for coding interviews or just want to solidify your JavaScript fundamentals, this video is for you.

Don’t forget to like, subscribe, and hit the bell 🔔 for more interview tips and JavaScript tutorials from industry experts!

[technicalfika]

Ace Your Freshers IT Job Interview in India: Top Tips and Sample Answers

In the competitive world of Information Technology (IT) jobs in India, securing your first position as a fresher can be challenging. Interviews are the gateway to your dream career, and it’s crucial to prepare thoroughly. To help you succeed, we’ve compiled a comprehensive guide with top tips and sample answers to common interview questions. 1. Crafting a Stellar Introduction The opening…

[meditaions-blog]

React JS mock Interview Tips and Suggestion | Boost Your Confidence!

[algo2ace]

📢 Mastering DSA in Java? Here are some essential practice questions:

1️⃣ Reverse a String 2️⃣ Implement a Stack 3️⃣ Find the Middle of a Linked List 4️⃣ Check for Balanced Parentheses 5️⃣ Binary Search in a Sorted Array

Follow : Algo2Ace.com

Boost your coding skills today! 🚀 #Java #DSA #CodingInterview #LearnToCode #TechTips

[itlabour]

Subarray Max Sum Kadane’s Algorithm - Fastest Way to Solve!

The Subarray Max Sum Kadane’s Algorithm is one of the most essential DSA concepts, widely asked in coding interviews, including FAANG and top tech companies. In this video, we will break down Problem 53: Subarray Max Sum using Kadane’s Algorithm, making it super easy to understand! 🚀

You’ll learn: ✔️ How Kadane’s Algorithm works in O(n) time complexity. ✔️ The most optimal approach to solve the Subarray Max Sum DSA problem. ✔️ Common mistakes to avoid in coding interviews. ✔️ A step-by-step breakdown with real code examples in C++ and Python.

By the end of this video, you’ll have a clear understanding of Kadane’s Algorithm, and you'll be able to tackle similar dynamic programming problems with ease! 🎯

🔔 Subscribe for more DSA tutorials and coding interview hacks!

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#DSA #KadaneAlgorithm #CodingInterview #SubarrayMaxSum #Algorithm #DataStructures #CodingTips #Programming #TechCareers #CompetitiveProgramming

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[scaleracademy]

With a vision to change the landscape of the tech-education industry, founder Anshuman Singh talks about how he & co-founder Abhimanyu Saxena left their high-paying jobs to create a free online platform for software engineers to practice on coding problems, and also their journey into launching Scaler Academy with the hope of building a successful programming community.

[skbisunessolojy]

Hey Learners🖐. what will be the output? comment below? and follow @sai_kumar_datascientist for more 😃. Check Out My Bio link for Video understanding. hashtag- #python #pythontutorial #learnpython #pythoncourse #pythonforbeginners #pythontutorialforbeginners #pythonprogramming #pythonlanguage #python3 #datascience #datascienceforbeginners #datasciencecourse #datascientist #datasciencetutorial #learndatascience #whatisdatascience #coding #codinginterview #codinginterviewquestions #googlecodinginterview #codinginterviewquestionsandanswers #codingquestions (at Bangalore, India) https://www.instagram.com/p/CkC9o7_PywQ/?igshid=NGJjMDIxMWI=

[rehman-coding]

.⭐ CAREER CHANGE TIPS ———————————————————————— 📌 How to become a self-taught developer? ⚡ Useful links and roadmaps in my bio! ———————————————————————— 📌 Follow: @rehman_coding 💼 Portfolio:www.a-rehman.com ⚙️ GitHub: https://github.com/MuhRehman 💎 LinkedIn: https://www.linkedin.com/in/abdul-rehman-%E2%9C%94-8611505b/ ————————————————————————#html #html5 #frontend #frontenddeveloper #dev #coding #coding #learn #reactjs #reactdeveloper #reactnative #javascript #fro #javascript #javascriptdevelopers #javascripttutorial #react #interview #interviewtips #figma #figmadesign #codinginterview #codingchallenge #codingpractices https://www.instagram.com/p/CgfGaTpjxgq/?igshid=NGJjMDIxMWI=

[fortunatelycoldengineer]

🚀 Crack Your Next Python Pandas Interview! 🐼💡 Are you preparing for a data science or Python developer interview? 📊 Get ahead with these essential Pandas interview questions covering: ✅ DataFrames & Series Basics ✅ Indexing & Slicing ✅ Data Cleaning & Manipulation ✅ GroupBy & Aggregations ✅ Merging & Joins ✅ Performance Optimization Master these concepts and boost your confidence! 💪 👉 https://bit.ly/41KQ1DR 💬 What’s the toughest Pandas question you’ve faced? Drop it in the comments! ⬇️

[otorringo13-blog]

The time is here.. Flying to San Francisco to interview with @nianticlabs Let’s see how it goes.. #GameTime #softwareengineer #softwaredeveloper #developerlife #codinginterview #dreamer #hardworkalldayeveryday 🙏🏼💪🏼👨🏻‍💻🤘🏼✌🏼 (at Tucson International Airport - TUS) https://www.instagram.com/p/B0doZZ_Bqw2/?igshid=1lhrau3zms67s