If you have the energy and money, of course, you will attend some training and master the technology better;
If energy and money are insufficient, you can consider it; For example, programmers who attend classes can find a company to study while working; If you change careers, it is difficult to get involved without training, and you must first master the basic knowledge of the industry;
If it is training, you should know more, such as course content, practice, teachers and so on.
The software industry is developing rapidly. If you can't train, you should also teach yourself, find tutorials, read books and improve yourself.