1. working hours: when to start working as a JAVA engineer, the specific year and so on.

2. Companies that have worked: companies that have worked during employment and their positions in the company.

3. Projects done: Write in cooperation with the company mentioned above, choose relatively good projects to write, and write clearly the work or functions done in the project.

Basically, these aspects should be written according to your real experience, and the content should be as close as possible to the requirements of the enterprise you are applying for. There are not many words to describe it, just a brief description of the experience.