Hello and welcome! I’m excited to have you here. This blog serves as my digital notebook where I capture and share everything I’m learning.

If this blog has reached you, it’s high time to dive into the realm of Linux, especially if you’re associated with IT in any capacity. Learning Linux is not just beneficial; it’s imperative, given that Linux is omnipresent, shaping the technological landscape in ways you may not even be aware of. As you read this, keep in mind that the blog itself is hosted on a Linux server. Whether it’s smart devices, IoT gadgets, or the majority of top websites, Linux is the beating heart behind them.

Maven is a powerful build automation tool for Java projects, focusing on dependency management and project lifecycle.

In this article, we will explore the very important topic of exceptions in Java: Checked vs Unchecked exceptions. Let’s start with the basics.

Exceptions in Java

An unexpected event that disturbs the normal flow of the program is called an Exception. This can be due to various reasons such as dividing by zero, accessing an invalid index in an array, or trying to read a file that does not exist.
You can take an analogy with a car accident. In your commute to job you met an accident. This is an unexpected even that disturbs you normal flow of the day. How you are going to handle this situation (exception)? Similarly, for Java exceptions, you need to define explicitly how you are going to handle the exception in order to prevent the program from crashing.

Ever wondered what JDK, JRE, and JVM mean? In this blog post, we will explore the differences between these three components of the Java ecosystem.

In this JPA (Java Persistence API) article, we will discuss different ways of achieving one-to-one mappings in JPA.

1 What is a One-to-One Relationship?

A one-to-one relationship in JPA is a type of association where each instance of an entity is directly linked to a single, unique instance of another entity. Formally, for every row in the first table, there is at most one corresponding row in the second table, and vice versa. This ensures that the relationship between the two entities is exclusive and bidirectional or unidirectional, depending on the mapping configuration.