Don't delete those folders since they are probably installed. Instead since there are currently security problems with java you might want to uninstall them using the control panel. You probably don't need java installed unless you are a programmer. Very few websites actually require java to be installed on the client side which would be your computer.
As for showing what is eating your space try this program: WinDirStat - Windows Directory Statistics
As for showing what is eating your space try this program: WinDirStat - Windows Directory Statistics
My Computer
System One
-
- Operating System
- Windows 7 Pro & 10 Pro
- Manufacturer/Model
- HP Pavillion Elite HPE-250f
- CPU
- Intel i7 860 Quad core 2.8 ghz
- Memory
- 8 gb
- Graphics card(s)
- ATI Radeon HD 5770 1 gb ram
- Monitor(s) Displays
- Alienware 25 AW2521HF
- Screen Resolution
- 1920x1080 &1680x1050
- Hard Drives
- 1 TB & 500 GB
- Other Info
- https://www.cnet.com/products/hp-pavilion-elite-hpe-250f/
Onto my other problem, the random "internet and local access" to "local access only" wifi connection.