--- title: "Khelendra Kumar Thakur (@kkt) | Hashnode" description: "Developer (Love to develop and explore and learn new skills. Read the latest articles by Khelendra Kumar Thakur on Hashnode." url: "https://hashnode.com/@kkt" --- @kkt # Khelendra Kumar Thakur @kkt · India · Joined February 2025 Developer (Love to develop and explore and learn new skills ### [Core Java(Part-10)](https://pending-topic.hashnode.dev/core-javapart-10?utm_source=hashnode&utm_medium=feed) Multithreading Multithreading means doing many things at the same time in a program. 🧠 Think of it like this:You’re watching a YouTube video 🎥 and downloading a file 💾 and typing notes 📝 — all at once. In Java, each task runs in its own thread, a... 14 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-10?utm_source=hashnode&utm_medium=feed) [Sep 15, 2025](https://hashnode.com/posts/core-javapart-10/68c79ec9f7d947029685c4f5) ### [Core Java(Part-9)](https://pending-topic.hashnode.dev/core-javapart-9?utm_source=hashnode&utm_medium=feed) Access modifier For classes, there are only two access modifiers: public and default (no modifier). private is not allowed for top-level classes. Access modifiers control how much access you give to your variables, methods, or classes from other part... 9 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-9?utm_source=hashnode&utm_medium=feed) [May 8, 2025](https://hashnode.com/posts/core-javapart-9/681c69c4bf0c0fb9b5938d6c) ### [Core Java(Part-8)](https://pending-topic.hashnode.dev/core-javapart-8?utm_source=hashnode&utm_medium=feed) Content .Variable .static .abstract Variable In Java we can create variable in three different way .instance variable .local variable .static variable Instance variable the variable which is declare inside class but not inside the method is known as ... 4 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-8?utm_source=hashnode&utm_medium=feed) [Apr 28, 2025](https://hashnode.com/posts/core-javapart-8/680f7bc3fa1c291e858322d5) ### [Core Java(Part-7)](https://pending-topic.hashnode.dev/core-javapart-7?utm_source=hashnode&utm_medium=feed) Content .Typecasting .Abstract .final .this keyword .super keyword Typecasting Forcing one type to behave like other type. You convert one datatype to another. You have a big glass of water,but your small bottle can hold only a little water.So, you p... 5 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-7?utm_source=hashnode&utm_medium=feed) [Apr 27, 2025](https://hashnode.com/posts/core-javapart-7/680de4225db465eb42d517bf) ### [Core Java(Part-6)](https://pending-topic.hashnode.dev/core-java-part-6?utm_source=hashnode&utm_medium=feed) Content .OOPs(Object Oriented Programming Language) .Inheritance .Encapsulation .Polymorphism .Abstraction .Constructor What is OOPs ? Object-oriented programming(OOP) is a computer model that organize the code into objects rather the functions. What... 9 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-java-part-6?utm_source=hashnode&utm_medium=feed) [Apr 27, 2025](https://hashnode.com/posts/core-java-part-6/680dac15ecb2b0fb9fdeecf0)