What is the purpose of the method of grouping objects into clusters?

The method of grouping objects into clusters (clustering) is used to combine a set of objects based on certain features or proximity to simplify their processing and analysis. In Java, this is often used to optimize search, data visualization, or organizing objects by similar characteristics. For example, when working with geospatial data, objects located close to each other are grouped into clusters, which reduces the number of displayed elements and increases performance.

Example: grouping points on a plane based on proximity to each other using the k-means algorithm.