Eclipse code folding settings

Set CodeFold in the window on the menu bar --> preference (I used a Chinese patch, so I pulled it together in Chinese and English)
1. Select General --> editor --> structure text editors. You can see the Enable folding option. You can use the code folding function by checking it, but you must set it in a specific language.
2. Select JAVA --> editor --> collapse. Enable collapse to collapse Java code.
If you need to set C/C ++ code folding, you can also set it in the same position of the C/C ++ option.