--- title: "#java-beginner articles | Hashnode" description: "Explore 200 articles tagged #java-beginner on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/java-beginner" --- Tag # #java-beginner 200 posts · 9 followers [Shubham Chougule](https://hashnode.com/@shubham13) · [Sep 18](https://hashnode.com/posts/day-1-demystifying-the-jvm-engine-coding-my-first-java-app/6aacb85ed75aa4488324addc) ### [Day 1: Demystifying the JVM Engine & Coding My First Java App](https://shubh-codes.hashnode.dev/day-1-demystifying-the-jvm-engine-coding-my-first-java-app?utm_source=hashnode&utm_medium=feed) Learn Java from scratch! Day 1 covers JDK, JRE, and JVM engine architecture with practical analogies. Master your first Hello World program. 3 min read · [shubh-codes.hashnode.dev](https://shubh-codes.hashnode.dev/day-1-demystifying-the-jvm-engine-coding-my-first-java-app?utm_source=hashnode&utm_medium=feed) [Robert Magers](https://hashnode.com/@robertmagers) · [Sep 3](https://hashnode.com/posts/how-to-practise-javascript-effectively/6a9964912ff9f1c635fd4092) ### [How to Practise JavaScript Effectively and Build Real Coding Skills](https://jsexercises.hashnode.dev/how-to-practise-javascript-effectively?utm_source=hashnode&utm_medium=feed) Learn how to practise JavaScript effectively with coding exercises, debugging and projects that help you build real programming skills. 6 min read · [jsexercises.hashnode.dev](https://jsexercises.hashnode.dev/how-to-practise-javascript-effectively?utm_source=hashnode&utm_medium=feed) [Manikandan S](https://hashnode.com/@manikandan4411) · [Aug 19](https://hashnode.com/posts/error-and-exception-handling-in-java/6a85b714b4aa454aad40f3a1) ### [Error and Exception Handling in Java](https://manikandan4411.hashnode.dev/error-and-exception-handling-in-java?utm_source=hashnode&utm_medium=feed) Learn Error and Exception Handling in Java with simple definitions, syntax, and examples. 11 min read · [manikandan4411.hashnode.dev](https://manikandan4411.hashnode.dev/error-and-exception-handling-in-java?utm_source=hashnode&utm_medium=feed) [Kaustubh Mishra](https://hashnode.com/@chromerai) · [Aug 9](https://hashnode.com/posts/java-from-scratch-how-java-stores-negative-and-floating-point-numbers/6a78da7ce61a3c00eef73edd) ### [HOW JAVA STORES NEGATIVE NUMBERS AND THE LIE OF 0.7](https://kmscratch.hashnode.dev/java-from-scratch-how-java-stores-negative-and-floating-point-numbers?utm_source=hashnode&utm_medium=feed) Why 0.7f is a lie: Two's Complement, IEEE 754 bias, and how Java actually stores negative numbers & floating points in silicon. 10 min read · [kmscratch.hashnode.dev](https://kmscratch.hashnode.dev/java-from-scratch-how-java-stores-negative-and-floating-point-numbers?utm_source=hashnode&utm_medium=feed) [Satyajit Mishra](https://hashnode.com/@satyajitmishra) · [Jul 28](https://hashnode.com/posts/spring-boot-learning-journey-from-beginner-to-full-stack-java-developer/6a68ca92b67786275c4cbf40) ### [🚀 Spring Boot Learning Journey: From Beginner to Full-Stack Java Developer](https://blogs.satyajitmishra.me/spring-boot-learning-journey-from-beginner-to-full-stack-java-developer?utm_source=hashnode&utm_medium=feed) 🚀 Spring Boot Journey #01: Building a Student Management REST API with Spring Boot, MySQL & Spring Data JPA 36 min read · [blogs.satyajitmishra.me](https://blogs.satyajitmishra.me/spring-boot-learning-journey-from-beginner-to-full-stack-java-developer?utm_source=hashnode&utm_medium=feed) [Manikandan S](https://hashnode.com/@manikandan4411) · [Jul 12](https://hashnode.com/posts/loops-in-java/6a5396954ab7095507a9ebcc) ### [Loops in Java](https://manikandan4411.hashnode.dev/loops-in-java?utm_source=hashnode&utm_medium=feed) Learn Java loops with simple explanation, syntax, flow, and real-world examples. Understand for, while, and do-while loops with beginner-friendly code 6 min read · [manikandan4411.hashnode.dev](https://manikandan4411.hashnode.dev/loops-in-java?utm_source=hashnode&utm_medium=feed) [Kaustubh Mishra](https://hashnode.com/@chromerai) · [Jul 5](https://hashnode.com/posts/java-from-scratch-java-variables-and-datatypes/6a4ada86d2ae082cb9e8c62a) ### [Java Variables and Datatypes](https://kmscratch.hashnode.dev/java-from-scratch-java-variables-and-datatypes?utm_source=hashnode&utm_medium=feed) Master Java primitives: stack vs heap, why literals default to int, silent overflow, unsigned arithmetic. Essential memory guide for backend devs. 9 min read · [kmscratch.hashnode.dev](https://kmscratch.hashnode.dev/java-from-scratch-java-variables-and-datatypes?utm_source=hashnode&utm_medium=feed) [Kaustubh Mishra](https://hashnode.com/@chromerai) · [Jun 28](https://hashnode.com/posts/java-from-scratch-jvm-jre-jdk-explained/6a41b4f2e210372236e7aee3) ### [The Holy Trinity: JVM, JRE, and JDK Explained](https://kmscratch.hashnode.dev/java-from-scratch-jvm-jre-jdk-explained?utm_source=hashnode&utm_medium=feed) Learn how the JVM, JRE, and JDK work together, why bytecode matters, and how the Classloader safely brings your code to life. 22 min read · [kmscratch.hashnode.dev](https://kmscratch.hashnode.dev/java-from-scratch-jvm-jre-jdk-explained?utm_source=hashnode&utm_medium=feed) [Rivesh Kumar](https://hashnode.com/@rivesh) · [Jun 17](https://hashnode.com/posts/automating-the-deployment-of-a-java-web-app-using-vagrant/6a32eaa20cdd4c4f3d0386fc) ### [Automating the Deployment of a Java Web App Using Vagrant](https://rivesh.hashnode.dev/automating-the-deployment-of-a-java-web-app-using-vagrant?utm_source=hashnode&utm_medium=feed) Posted as part of my DevOps learning journey | Udemy Course: Decoding DevOps – From Basics to Advanced Projects with AI 7 min read · [rivesh.hashnode.dev](https://rivesh.hashnode.dev/automating-the-deployment-of-a-java-web-app-using-vagrant?utm_source=hashnode&utm_medium=feed) [Manikandan S](https://hashnode.com/@manikandan4411) · [Jun 14](https://hashnode.com/posts/java-variables-and-data-types-explained-with-examples/6a2e017c674db96196f5d7db) ### [Java Variables and Data Types Explained with Examples](https://manikandan4411.hashnode.dev/java-variables-and-data-types-explained-with-examples?utm_source=hashnode&utm_medium=feed) Learn Java variables and data types with simple examples. Understand the Types of data types, declaration, initialization, and best practices. 4 min read · [manikandan4411.hashnode.dev](https://manikandan4411.hashnode.dev/java-variables-and-data-types-explained-with-examples?utm_source=hashnode&utm_medium=feed)