1, clearly show your skills: clearly list your skills and related experience in your resume or cover letter, such as the basic grammar of C++ programming language, the concept of object-oriented programming, commonly used data structures and algorithms.

2. Emphasize the actual project experience: You participated in the actual project during the training process, such as developing a simple game or application. You can describe in detail the tasks you are responsible for, the technology you use and the achievements you have made in the project in your resume. These practical project experiences can prove your skill level.

3. Provide links to works: Any personal works or projects can be publicly accessed online, and links can be provided in resumes. This will enable employers to better understand your skills and practical experience.