--- title: "Abi Farhan (@AbiFarhan) | Hashnode" description: "Entrepreneur with curious about tech. Read the latest articles by Abi Farhan on Hashnode." url: "https://hashnode.com/@AbiFarhan" --- @AbiFarhan # Abi Farhan @AbiFarhan · Jakarta, Indonesia · Joined January 2023 Entrepreneur with curious about tech ### [Software Engineer Life Hack : Work on task in productive way](https://abifarhan.hashnode.dev/software-engineer-life-hack-work-on-task-in-productive-way?utm_source=hashnode&utm_medium=feed) How to manage more than one task and finish it on time even early than deadline 5 min read · [abifarhan.hashnode.dev](https://abifarhan.hashnode.dev/software-engineer-life-hack-work-on-task-in-productive-way?utm_source=hashnode&utm_medium=feed) [Jun 28, 2023](https://hashnode.com/posts/software-engineer-life-hack-work-on-task-in-productive-way/649c46360d594cd4544a1cea) ### [Unlocking Leetcode: Minimum Removals for Valid Parentheses](https://abifarhan.hashnode.dev/unlocking-leetcode-minimum-removals-for-valid-parentheses?utm_source=hashnode&utm_medium=feed) Step-by-Step to increase your problem solving skill 4 min read · [abifarhan.hashnode.dev](https://abifarhan.hashnode.dev/unlocking-leetcode-minimum-removals-for-valid-parentheses?utm_source=hashnode&utm_medium=feed) [Jun 27, 2023](https://hashnode.com/posts/unlocking-leetcode-minimum-removals-for-valid-parentheses/649b1603c57ce6a0167d2591) ### [Understand Data Structure : Stacks and Queues](https://abifarhan.hashnode.dev/understand-data-structure-stacks-and-queues?utm_source=hashnode&utm_medium=feed) Core concept of Stack and Queues with example code in Javascript 3 min read · [abifarhan.hashnode.dev](https://abifarhan.hashnode.dev/understand-data-structure-stacks-and-queues?utm_source=hashnode&utm_medium=feed) [Jun 16, 2023](https://hashnode.com/posts/understand-data-structure-stacks-and-queues/648c8da5b0fc98ca030a8532) ### [20 Key Concepts of Object-Oriented Programming: Empowering You as a Professional Software Engineer](https://abifarhan.hashnode.dev/20-key-concepts-of-object-oriented-programming-empowering-you-as-a-professional-software-engineer?utm_source=hashnode&utm_medium=feed) 20 Key Concepts with Real-World Code Examples for Professional Software Engineers 5 min read · [abifarhan.hashnode.dev](https://abifarhan.hashnode.dev/20-key-concepts-of-object-oriented-programming-empowering-you-as-a-professional-software-engineer?utm_source=hashnode&utm_medium=feed) [Jun 14, 2023](https://hashnode.com/posts/20-key-concepts-of-object-oriented-programming-empowering-you-as-a-professional-software-engineer/6489de7402ecafac7bb2855b) ### [Understanding of Android Coroutines: 10 Key Points Explained with Code Examples](https://abifarhan.hashnode.dev/understanding-of-android-coroutines-10-key-points-explained-with-code-examples?utm_source=hashnode&utm_medium=feed) Essential Concepts for Efficient Asynchronous Programming and Seamless Concurrency 4 min read · [abifarhan.hashnode.dev](https://abifarhan.hashnode.dev/understanding-of-android-coroutines-10-key-points-explained-with-code-examples?utm_source=hashnode&utm_medium=feed) [Jun 11, 2023](https://hashnode.com/posts/understanding-of-android-coroutines-10-key-points-explained-with-code-examples/648541e433a71dbd13dbd0bd)