Answer 1

It's not OS specific 🤔
It is compiler independent 🤔

Answer 2

Because once written and compiled, the Java bytecode can be interpreted by the JVM on any platform.

Answer 3

https://www.sololearn.com/Discuss/1951556/?ref=app

Answer 4

https://en.wikipedia.org/wiki/Java_virtual_machine
https://en.wikipedia.org/wiki/List_of_JVM_languages

Answer 5

Bcz it's easy to run any platform.
Other languages haven't run though java.