Creating a cheat sheet for Java can be quite simple. Firstly, you need to decide what topics in Java you wish to have included on your sheet. This will vary depending on the level of knowledge with which you are working and the complexity of the language itself. Some suggested topics may include data types, classes, operators, methods and keywords used by Java.

Once you have decided upon the topics that must be included on your cheat sheet, begin writing out key information related to each topic such as examples and brief descriptions as needed. It may also help to use visual cues such as tables or diagrams in order to help more visually oriented learners better comprehend the material covered in your cheat sheet. Additionally, consider adding tips and tricks for certain complicated aspects of Java so that those reading it could get an even better understanding of how things work within this programming language.

Lastly but most importantly look up tutorials online regarding cheat sheets for java so that you can learn from real-world examples created by experienced users before finalizing your own work. This can help refine content that is not necessary or add elements missing from your original design in order to make your completed project comprehensive yet easy enough for anyone at any knowledge level to understand it without needing additional aid outside of what is provided within the cheat sheet itself!