In the ever-evolving world of web development, interactive elements enhance user experience by making web pages more engaging and intuitive. One such feature is creating dynamic and draggable points on a line, which can be used in various applications like data visualization, interactive timelines, or educational tools. This blog post delves into how to implement draggable points on a line with smooth transitions to handle overlaps and ensure a seamless user experience.

CSS animations are a powerful way to add dynamic and engaging elements to your web pages. They allow you to create smooth and visually appealing transitions between different states of an element. Among the various techniques available in CSS animations, @keyframes and animation-timing-function play crucial roles in defining animation behavior.

Nested class is a class that is defined within another class. This post explains different types of nested classes.

Interfaces and abstract classes are non-instantiable i.e. we can't directly create instances out of them. Regular classes are instantiable by default, so how to enforce non-instantiability?

Overriding common methods (equals, hashCode, toString, and clone) of the Object class and Comparable.compareTo() method, should be done according to the general contracts provided in the documentation to ensure proper behaviour of these methods.

Serialization is the process of converting an object into a stream of bytes which can be deserialized back to a copy of the object.

Some objects are required to be singleton such as "builder, facade, state, logging, ...etc". Singleton pattern can be used to enforce the creation of exactly one instance of those objects.