Utility Class

also known as helper class, which contains just static methods, it is stateless and cannot be instantiated. It contains a bunch of related methods, so they can be reused across the application. As an example consider Apache StringUtils, CollectionUtils or java.lang.Math.

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also known as helper class, which contains just static methods, it is stateless and cannot be instantiated. It contains a bunch of related methods, so they can be reused across the application. As an example consider Apache StringUtils, CollectionUtils or java.lang.Math.

https://www.vojtechruzicka.com/avoid-utility-classes/