--- title: "#java-interview-questions-and-answers articles | Hashnode" description: "Explore 3 articles tagged #java-interview-questions-and-answers on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/java-interview-questions-and-answers" --- Tag # #java-interview-questions-and-answers 3 posts · 0 followers [Suraj Kumar](https://hashnode.com/@surajprasad) · [Aug 22, 2025](https://hashnode.com/posts/day-1-java-basics-and-features/68a863ceff09a0ecc667273f) ### [Day 1 – Java Basics and Features](https://javaday1.hashnode.dev/day-1-java-basics-and-features?utm_source=hashnode&utm_medium=feed) Java offers platform independence, strong security, efficient performance, and multithreading. Familiarize yourself with JDK, JVM, and JRE basics 4 min read · [javaday1.hashnode.dev](https://javaday1.hashnode.dev/day-1-java-basics-and-features?utm_source=hashnode&utm_medium=feed) [Bikash Nishank](https://hashnode.com/@bnishank) · [Oct 17, 2024](https://hashnode.com/posts/java-interview-questions/67108081ec66a05687993dc2) ### [Java Interview Questions](https://bikash-nishank.hashnode.dev/java-interview-questions?utm_source=hashnode&utm_medium=feed) String: What is the difference between String, StringBuilder, and StringBuffer in Java? Explain how String is immutable in Java. What are the benefits of immutability? How does the intern() method work with String objects? What will be the output... 24 min read · [bikash-nishank.hashnode.dev](https://bikash-nishank.hashnode.dev/java-interview-questions?utm_source=hashnode&utm_medium=feed) [Anupam Srivastava](https://hashnode.com/@sranupam) · [Jun 19, 2024](https://hashnode.com/posts/what-is-java-and-what-is-it-used-for/6672c4661baf1302af3e7d02) ### [What is Java and what is it used for?](https://codingstalk.hashnode.dev/what-is-java-and-what-is-it-used-for?utm_source=hashnode&utm_medium=feed) Java, a versatile and robust programming language, has become an integral part of the technological landscape. Its widespread adoption across various domains begs the question: What is Java, and what is it used for? This article aims to provide a com... 3 min read · [codingstalk.hashnode.dev](https://codingstalk.hashnode.dev/what-is-java-and-what-is-it-used-for?utm_source=hashnode&utm_medium=feed)