Can Spring be considered a full toolkit for Java development?

Spring is a powerful and widely used framework for Java development, providing many tools and modules such as Spring Core, Spring MVC, Spring Data, Spring Security, and others. However, calling it a "full set of tools" is not entirely accurate, as Spring focuses on simplifying development, dependency management, and integration of various components, but does not cover all aspects of development, for example, it does not include built-in tools for UI outside of web, specialized libraries for image processing, or working with low-level hardware.

Thus, Spring can be considered an extensive and flexible framework, but for a complete Java development cycle, other tools and libraries are often used in addition to Spring.