Is Jre part of JDK?

Related questions

1. Can I install 2 Java versions?
2. Can we run two JVM on same machine?
3. Why Java is faster than Python?
4. What kind of applications can be developed using Java?
5. Can we have 2 JDK installed?
6. Is Java still supported?
7. Why is Java multithreaded?
8. Why C is faster than Java?
9. Why is Java so fast?
10. Can I install same JRE version two times in my machine?

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1. #components
2. #applets
3. #superset
4. #developing
5. #written
6. #language
7. #provides
8. #applications
9. #compilers
10. #virtual
11. #other
12. #necessary
13. #everything
14. #tools
15. #libraries
16. #machine
17. #debuggers
18. #programming
19. #contains