--- title: "Mukul kumar (@mukul0000) | Hashnode" description: "Software Engineer. Read the latest articles by Mukul kumar on Hashnode." url: "https://hashnode.com/@mukul0000" --- @mukul0000 # Mukul kumar @mukul0000 · Kolkata · Joined July 2021 Software Engineer [Website](https://portfolio-mukul0000.vercel.app/) ### [Why 1==1 is true but 128==128 is false in Java](https://muku.hashnode.dev/integer-caching-in-java?utm_source=hashnode&utm_medium=feed) Uncover why 128 == 128 can be false in Java due to Integer Caching, while 1 == 1 is true. 4 min read · [muku.hashnode.dev](https://muku.hashnode.dev/integer-caching-in-java?utm_source=hashnode&utm_medium=feed) [Sep 24, 2024](https://hashnode.com/posts/integer-caching-in-java/66f262b3b7532dddd4eb53a3) ### [Containerizing Jenkins: Effortless CI/CD with Docker](https://muku.hashnode.dev/containerizing-jenkins-effortless-cicd-with-docker?utm_source=hashnode&utm_medium=feed) Step-by-Step Guide: Setting Up Jenkins in Docker on Amazon Linux EC2 Instance 2 min read · [muku.hashnode.dev](https://muku.hashnode.dev/containerizing-jenkins-effortless-cicd-with-docker?utm_source=hashnode&utm_medium=feed) [Apr 14, 2024](https://hashnode.com/posts/containerizing-jenkins-effortless-cicd-with-docker/661c47ca6bc85c5d521c6694) ### [Aws Lambda ⛅](https://muku.hashnode.dev/aws-lambda?utm_source=hashnode&utm_medium=feed) Serverless computing Runs on the server you don't have to buy or manage. Code runs on a server you don't have to buy or manage. Code runs in response to some event, on the server you don't have to buy or manage it. Can also be thought of as "Scripts"... 1 min read · [muku.hashnode.dev](https://muku.hashnode.dev/aws-lambda?utm_source=hashnode&utm_medium=feed) [Apr 4, 2024](https://hashnode.com/posts/aws-lambda/660e2969e8510d04974a0b35) ### [Understanding the Importance of the Serializable Interface in Java Entities](https://muku.hashnode.dev/understanding-the-importance-of-the-serializable-interface-in-java-entities?utm_source=hashnode&utm_medium=feed) Serializable Interface in Java Entities 3 min read · [muku.hashnode.dev](https://muku.hashnode.dev/understanding-the-importance-of-the-serializable-interface-in-java-entities?utm_source=hashnode&utm_medium=feed) [Jan 28, 2024](https://hashnode.com/posts/understanding-the-importance-of-the-serializable-interface-in-java-entities/65b6a6944f6ab959edc2600a) ### [Understanding Creational Design Patterns in Java: A Deep Dive into Factory and Abstract Factory Patterns](https://muku.hashnode.dev/understanding-creational-design-patterns-in-java-a-deep-dive-into-factory-and-abstract-factory-patterns?utm_source=hashnode&utm_medium=feed) Understanding Creational Design Patterns in Java: A Deep Dive into Factory and Abstract Factory Patterns 5 min read · [muku.hashnode.dev](https://muku.hashnode.dev/understanding-creational-design-patterns-in-java-a-deep-dive-into-factory-and-abstract-factory-patterns?utm_source=hashnode&utm_medium=feed) [Jan 26, 2024](https://hashnode.com/posts/understanding-creational-design-patterns-in-java-a-deep-dive-into-factory-and-abstract-factory-patterns/65b40f3ea061fa089285bf7f)