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How to Prepare for Java Interviews in 2025 — Complete Roadmap for Developers

Table of Contents Introduction Understand the 2025 Hiring Trend Core Java Fundamentals Collections & Data Structures Multithreading & Concurrency Java 8–21 Features Spring Boot Essentials Microservices Interview Prep SQL & Database Concepts REST APIs System Design Coding Round (DSA) Sample Daily Preparation Routine Final Tips 1. Introduction Java interviews are evolving rapidly. Companies in 2025 expect backend developers who not only understand Core Java but also have strong skills in Spring Boot, microservices, SQL, concurrency , and system design . The good news? With a structured roadmap, Java interview preparation becomes predictable and achievable. In this guide, I’ll walk you through the exact topics you should master — with the same clarity I use in my YouTube tutorials and Udemy courses . 2. Understand the 2025 Hiring Trend Java developers in 2025 are expected to know: Java 8+ functional programming Spring Boot ...

Java vs Python in 2025 — Which Programming Language Should You Learn?

Table of Contents Introduction Java vs Python Popularity (2025 Overview) Job Market & Career Growth Speed & Performance Comparison Ecosystem & Frameworks Learning Curve Community Support Salary Comparison Which One Should YOU Learn? Final Thoughts 1. Introduction Java and Python continue to dominate the programming world in 2025. Whether you're a beginner planning to start coding or a working professional switching careers, choosing the right language can shape your job opportunities and future career path. Both languages are powerful, but they shine in different areas. In this article, we compare Java vs Python across all key dimensions — performance, job market, frameworks, salaries, and learning curve — to help you decide which one is right for you. 2. Java vs Python Popularity (2026 Overview) According to most developer surveys in 2025: Java remains strong in enterprise applications, banking, fintech, and large-scale backe...