--- title: "Vinay Kumar (@VinayKumar15) | Hashnode" description: "Software Engineer | Java | Spring Boot | LLD | HLD | Databases. Read the latest articles by Vinay Kumar on Hashnode." url: "https://hashnode.com/@VinayKumar15" --- @VinayKumar15 # Vinay Kumar @VinayKumar15 · Chandigarh, India · Joined September 2024 Software Engineer | Java | Spring Boot | LLD | HLD | Databases ### [Java Multithreading: Master Concurrent Programming](https://vinaykumar15.hashnode.dev/java-multithreading-master-concurrent-programming?utm_source=hashnode&utm_medium=feed) CPU The CPU, often called the brain of the computer, is responsible for executing a set of instructions from programs. It performs basic arithmetic, logical, control and input/output operations as specified in the instructions. Example:- Intel Core i... 36 min read · [vinaykumar15.hashnode.dev](https://vinaykumar15.hashnode.dev/java-multithreading-master-concurrent-programming?utm_source=hashnode&utm_medium=feed) [Nov 7, 2024](https://hashnode.com/posts/java-multithreading-master-concurrent-programming/672c948f7bc2336c830d425c) ### [Generics In Java](https://vinaykumar15.hashnode.dev/generics-in-java?utm_source=hashnode&utm_medium=feed) Generics in Java is a concept that allows classes, interfaces, and methods to work with different types (such as Integer, String, etc.) while ensuring type safety and code reusability. Using generics, you can create a single piece of code that works ... 15 min read · [vinaykumar15.hashnode.dev](https://vinaykumar15.hashnode.dev/generics-in-java?utm_source=hashnode&utm_medium=feed) [Sep 28, 2024](https://hashnode.com/posts/generics-in-java/66f83c7bb97e2949c69ce54d) ### [Essential Guide to Indexing: What You Need to Know](https://vinaykumar15.hashnode.dev/essential-guide-to-indexing-what-you-need-to-know?utm_source=hashnode&utm_medium=feed) Unlock faster database queries: learn essential indexing techniques and how they enhance performance with B+ Trees in this comprehensive guide 9 min read · [vinaykumar15.hashnode.dev](https://vinaykumar15.hashnode.dev/essential-guide-to-indexing-what-you-need-to-know?utm_source=hashnode&utm_medium=feed) [Sep 14, 2024](https://hashnode.com/posts/essential-guide-to-indexing-what-you-need-to-know/66e5dd573f82c7a027284406)