Hi, I'm Manh Phan

In this article, we will learn how to use Optional functionality in Java 8. Let’s get started. [Read More]

In this article, we will concentrate about some interesting courses that we need to learn to improve our coding quality. [Read More]

To improve the speed of accessing a database, one way that you can think about is to use index. The internal detail of using indexes is relevant to the B+ Tree. To understand deeply about using indexes, you can practice to make B+ tree at this link. [Read More]

In this article, we will learn how topic works in Kafka. This knowledge about topic is really important when we want to work with Kafka. [Read More]

In this article, we will learn how to write code ourself to work with transactions in Spring Data JPA. [Read More]