How do you check if I have JDK installed?

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Tags

1. #program
2. #listed
3. #panel
4. #there
5. #features
6. #correctly
7. #command
8. #check
9. #version
10. #advanced
11. #prompt
12. #environment
13. #installed
14. #system
15. #variables
16. #control
17. #start