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java Interview Goal

                                                  Hi All,         I write this blog for Fresher  And  Experience  who have start Career In IT_Industry With  java Technology, I am not a professional blogger, I am  working  as Java Developer since last 2 years,   The main reason to write this blog is to share my Experience In Interviews. ABOUT THE AUTHOR           Nice to meet you, I’m Akshay Ingole. I’m a not a professional blogger ,  I am  working  as Java Developer since last 2 years,   The main reason to write this blog is to share my Experience In Interviews as well as share the topics that trending in java.   I hope It is Useful For All. 
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How to communicate two microservices with different ports?

  When two microservices need to communicate with each other but are running on different ports, there are a few approaches : 1.Direct Communication: If the microservices are deployed on the same network or infrastructure, they can communicate directly using their network addresses. You can use HTTP or any other appropriate protocol for communication. In this approach, each microservice would need to know the network address (IP address or domain name) and the port of the other microservice. Example: Microservice A running on port 8080 wants to communicate with Microservice B running on port 9090. Microservice A can make an HTTP request to Microservice B using its network address and port: HttpClient client = HttpClient.newHttpClient(); HttpRequest request = HttpRequest.newBuilder() .uri(URI.create("http://localhost:9090/api/resource")) .build(); HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString()); 2.Service Disco...
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Ace Your Java Interview: Top 50 Java Interview Questions & Answers (2025)

  Introduction Java continues to be a top programming language in 2025 , widely used in enterprise applications, microservices, cloud computing, and AI-based systems . If you're preparing for a Java developer interview , you must be well-versed in Core Java, Java 8-21 features, Spring Boot, Microservices, and Cloud technologies . This guide covers the top 50 Java interview questions for freshers and experienced professionals , ensuring you are ready for your next interview! Table of Contents Core Java Interview Questions Java 8, Java 11, and Java 21 Features OOP and Design Patterns Multithreading and Concurrency JVM, Garbage Collection & Memory Management Collections Framework Spring Boot & Microservices Cloud Technologies (AWS, Azure, GCP) Real-World Java Interview Scenarios 1. Core Java Interview Questions Q1: What are the key features of Java? Answer: Platform Independence – Java runs on JVM , making it OS-independent. Object-Oriented – Java follows...
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